CN218015874U

CN218015874U - Clamp structure for tensioning and clamping inner hole

Info

Publication number: CN218015874U
Application number: CN202222402590.3U
Authority: CN
Inventors: 曹水; 田亚波
Original assignee: Tianjin Youyuan Intelligent Equipment Manufacturing Co ltd
Current assignee: Tianjin Youyuan Intelligent Equipment Manufacturing Co ltd
Priority date: 2022-09-09
Filing date: 2022-09-09
Publication date: 2022-12-13
Anticipated expiration: 2032-09-09

Abstract

The utility model discloses a hole rises and tightly presss from both sides tight anchor clamps structure belongs to anchor clamps mechanism technical field, a hole rises and tightly presss from both sides tight anchor clamps structure, including the anchor clamps body, it has fixing hole to cut open and chisel in the concrete inside of anchor clamps, fixing hole's outer end is equipped with the thin wall work piece, fixing hole's inside is equipped with the tapered axle, the petal cover is installed to fixing hole's inner wall, and the petal cover is located the outside of tapered axle, the outer pot head of tapered axle is equipped with adjusting nut, install the dish spring between adjusting nut and the anchor clamps body, and the dish spring cover is established on the outer end of tapered axle, adjusting nut's upper end is equipped with toggle mechanism, this scheme passes through mutually supporting of adjusting nut and dish spring, it takes place to warp to make the tapered axle back-and-forth movement drive petal cover, the inner wall that evenly props fixing hole, thereby it warp evenly to clip the thin wall work piece, dispersion clamping-force, deformation position can not concentrate on local area, be difficult for making the thin wall work piece warp and warp the damage, the precision and the size of protection hole.

Description

Clamp structure for tensioning and clamping inner hole

Technical Field

The utility model relates to an anchor clamps technical field, more specifically say, relate to a hole rises and tightly presss from both sides tight anchor clamps structure.

Background

The thin-walled part is a metal part with a wall thickness of less than 1 mm. Thin-walled parts have become increasingly widely used in various industrial sectors because of their light weight, material saving, compact structure and the like. In the thin-wall part processing process, the thin-wall part needs to be fixed through a clamp mechanism to be kept stable, so that subsequent processing treatment is carried out.

Most of the traditional lathe hole clamping mechanisms are used for three-point clamping, but thin-wall parts are poor in rigidity and weak in strength, clamping deformation is easily caused in machining, the form and position errors of the parts are increased, the parts are likely to become waste products, and the machining quality of the parts is not easy to guarantee.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a hole rises and tightly presss from both sides tight anchor clamps structure, this scheme makes the tapered shaft back-and-forth movement drive petal cover take place to warp through mutually supporting of adjusting nut and dish spring, and even inner wall that props fixed through hole makes it warp evenly to clip thin wall work piece, dispersion clamping-force, and the deformation position can not concentrate on local area, is difficult for making thin wall work piece deformation damage, the precision and the size of protection hole.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides a hole rises and tightly presss from both sides tight anchor clamps structure, includes the anchor clamps body, it has fixing hole to cut into inside of the anchor clamps body, fixing hole's outer end is equipped with thin wall workpiece, fixing hole's inside is equipped with the tapered shaft, the petal cover is installed to fixing hole's inner wall, and the petal cover is located the outside of tapered shaft, the outer pot head of tapered shaft is equipped with adjusting nut, install the dish spring between adjusting nut and the anchor clamps body, and the dish spring cover is established on the outer end of tapered shaft, adjusting nut's upper end is equipped with toggle mechanism, and this scheme passes through mutually supporting of adjusting nut and dish spring, makes the tapered shaft back-and-forth movement drive petal cover take place to warp, the even inner wall that props fixing hole, thereby it warp evenly to clip thin wall workpiece, dispersion clamping-force, the deformation position can not concentrate on local area, is difficult for making thin wall workpiece deformation damage, the precision and the size of protection hole.

Further, the toggle mechanism comprises a toggle thick cylinder, the upper end of the adjusting nut is chiseled with a mounting groove, the inner wall of the mounting groove is fixedly connected with a built-in round block, the toggle thick cylinder is positioned in the mounting groove and is in contact with the built-in round block, the upper end of the toggle thick cylinder is fixedly connected with a handle, the inner wall of the toggle thick cylinder is fixedly connected with a built-in transverse pipe, the built-in transverse pipe is internally provided with two moving plates, an elastic air bag is fixedly connected between the two moving plates, one ends of the two moving plates, which are far away from each other, are fixedly connected with a limiting rod, the inner wall of the toggle thick cylinder is chiseled with two through holes, the inner wall of the mounting groove is chiseled with two limiting grooves, the outer end of the limiting rod penetrates through the through holes and extends into the limiting grooves, the outer end of the limiting rod is matched with the limiting grooves, the elastic action of the elastic air bag moving plates is matched with the two moving plates to enable the limiting rod and the limiting grooves to keep the limiting grooves in a limiting fixed relation, so that the limiting rod and the limiting grooves are matched with each other, the elastic action, therefore, the operation is not easy to reduce the possibility of falling of the nut during the operation, reduce the operation, and increase the operation effect of the operation.

Further, stir the lower extreme fixedly connected with inserted block of thick section of thick bamboo, the slot has been dug to the upper end of built-in circle piece, the inserted block is located the slot, and rather than the phase-match, through the setting of inserted block and slot, further strengthens stirring the connection stability between thick section of thick bamboo and the mounting groove.

Furthermore, the outer end cover of handle is equipped with the lag, and the surface of lag is equipped with anti-skidding line, through the setting of lag, makes the staff when operating handle, is difficult for taking place the landing, improves operating stability.

Further, spherical grooves are formed in the upper end and the lower end of the moving plate, balls are connected to the inner portions of the two spherical grooves in a rotating mode, the outer ends of the balls are in contact with the inner wall of the built-in transverse pipe, and the moving plate is enabled to move away from or move towards each other more smoothly and conveniently through the arrangement of the balls.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) According to the scheme, the adjusting nut and the disc spring are matched with each other, so that the conical shaft moves back and forth to drive the petal sleeve to deform, the inner wall of the fixing through hole is uniformly supported, the deformation is uniform, the thin-wall workpiece is clamped, the clamping force is dispersed, the deformation position cannot be concentrated in a local area, the thin-wall workpiece is not prone to deformation and damage, and the accuracy and the size of the inner hole are protected.

(2) Toggle mechanism is including stirring thick section of thick bamboo, adjusting nut's upper end is opened the chisel and is had the mounting groove, and the built-in circle piece of inner wall fixedly connected with of mounting groove, stir thick section of thick bamboo and be located the mounting groove, and contact with built-in circle piece, stir thick section of thick bamboo's upper end fixedly connected with handle, stir thick section of thick bamboo's built-in violently pipe of inner wall fixedly connected with, the inside of built-in violently pipe is equipped with two movable plates, and fixedly connected with air bag between two movable plates, the equal fixedly connected with gag lever post of one end that two movable plates kept away from each other, stir thick section of thick bamboo's inner wall is opened the chisel and is had two perforation, the inner wall of mounting groove is opened the chisel and is had two spacing grooves, the outer end of gag lever post passes the perforation, and extend to the spacing inslot, and its outer end and spacing groove phase-match, through the elastic action of air bag, the relative motion that separates or moves in opposite directions of cooperation two movable plates, make gag lever post and spacing groove keep spacing fixed relation, thereby realize stirring thick section of thick bamboo and handle convenient dismouting, make the staff be difficult for the less difficult for because of adjusting nut, reduce the possibility that the operation, reduce to drop and carry out a lot of operation because of its in the operation, reduce and reduce, the operation burden, the operation effect is strengthened.

(3) Stir the lower extreme fixedly connected with inserted block of thick section of thick bamboo, the upper end of built-in disk is excavated there is the slot, and the inserted block is located the slot, and rather than the phase-match, through the setting of inserted block and slot, further the reinforcing stirs the connection stability between thick section of thick bamboo and the mounting groove.

(4) The outer end cover of handle is equipped with the lag, and the surface of lag is equipped with anti-skidding line, through the setting of lag, makes the staff when the operation handle, and difficult emergence landing improves operating stability.

(5) Spherical grooves are formed in the upper end and the lower end of the moving plate, balls are connected to the inner portions of the two spherical grooves in a rotating mode, the outer ends of the two balls are in contact with the inner wall of the built-in transverse pipe, and the moving plate is enabled to move away from or move towards the inner wall more smoothly and conveniently through the arrangement of the balls.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a cross-sectional structure of the toggle mechanism of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

The numbering in the figures illustrates:

1. a clamp body; 101. a fixing through hole; 2. a thin-walled workpiece; 3. a petal sleeve; 4. a tapered shaft; 5. a disc spring; 6. adjusting the nut; 7. mounting grooves; 8. stirring the thick cylinder; 9. a handle; 901. a protective sleeve; 10. a round block is arranged inside; 11. a transverse pipe is arranged inside; 12. moving the plate; 1201. a ball bearing; 13. an elastic air bag; 14. a limiting rod; 15. a limiting groove; 16. inserting a block; 17. and (4) a slot.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 in a specific orientation, and be operated, 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.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, an inner hole tensioning and clamping fixture structure comprises a fixture body 1, wherein a fixing through hole 101 is drilled in the fixture body 1, a thin-wall workpiece 2 is arranged at the outer end of the fixing through hole 101, a conical shaft 4 is arranged in the fixing through hole 101, a petal sleeve 3 is mounted on the inner wall of the fixing through hole 101, the petal sleeve 3 is located on the outer side of the conical shaft 4, an adjusting nut 6 is sleeved at the outer end of the conical shaft 4, a disc spring 5 is mounted between the adjusting nut 6 and the fixture body 1, the disc spring 5 is sleeved on the outer end of the conical shaft 4, a shifting mechanism is arranged at the upper end of the adjusting nut 6, the adjusting nut 6 and the disc spring 5 are matched with each other, so that the conical shaft 4 moves back and forth to drive the petal sleeve 3 to deform, the inner wall of the fixing through hole 101 is uniformly supported, clamping force is uniformly deformed to clamp the thin-wall workpiece 2, deformation positions are not concentrated on a local area, deformation of the thin-wall workpiece 2 is not prone to deform and damage, precision and size of the thin-wall workpiece is protected, and the petal sleeve 3 is made of high-quality spring steel material.

Referring to fig. 2-3, the toggle mechanism includes a toggle thick cylinder 8, an installation groove 7 is formed in the upper end of the adjusting nut 6, a built-in round block 10 is fixedly connected to the inner wall of the installation groove 7, the toggle thick cylinder 8 is located in the installation groove 7 and contacts with the built-in round block 10, a handle 9 is fixedly connected to the upper end of the toggle thick cylinder 8, a built-in horizontal tube 11 is fixedly connected to the inner wall of the toggle thick cylinder 8, two moving plates 12 are arranged inside the built-in horizontal tube 11, an elastic airbag 13 is fixedly connected between the two moving plates 12, a limiting rod 14 is fixedly connected to the end, far away from each other, of the two moving plates 12, two through holes are formed in the inner wall of the toggle thick cylinder 8, two limiting grooves 15 are formed in the inner wall of the installation groove 7, the outer end of the limiting rod 14 penetrates through the through holes and extends into the limiting grooves 15, the outer end of the limiting groove is matched with the limiting groove 15, the elastic airbag 13 is matched with the moving plates to move away from or towards each other, the limiting grooves 12, the limiting rod 14 and the limiting groove 15 are matched, so that the operation burden of the toggle thick cylinder 8 and the nut 6 is not easy to be removed, and the nut is not easy to be easily to be removed, and the operation process of the nut 6.

Referring to fig. 2, the lower end of the rough poking cylinder 8 is fixedly connected with an insertion block 16, the upper end of the built-in round block 10 is provided with a slot 17, the insertion block 16 is positioned in the slot 17 and matched with the slot 17, and the connection stability between the rough poking cylinder 8 and the mounting groove 7 is further enhanced through the arrangement of the insertion block 16 and the slot 17.

Referring to fig. 1-2, a protective cover 901 is sleeved on the outer end of the handle 9, and anti-slip lines are arranged on the surface of the protective cover 901, so that when a worker operates the handle 9, the worker is not prone to slipping off by the arrangement of the protective cover 901, and the operation stability is improved.

Referring to fig. 2-3, spherical grooves are drilled at the upper and lower ends of the moving plate 12, balls 1201 are rotatably connected to the insides of the two spherical grooves, the outer ends of the two balls 1201 are in contact with the inner wall of the built-in transverse tube 11, and the moving plate 12 moves more smoothly and conveniently in the opposite direction or in the opposite direction by the arrangement of the balls 1201.

The utility model discloses in, at first will stir thick section of thick bamboo 8 and insert the inside of mounting groove 7, receive the inside wall extrusion influence of mounting groove 7, two gag lever posts 14 are by the extrusion to the built-in inside relative motion of violently managing 11, elastic air bag 13 is compressed, in inserted block 16 extends to slot 17 completely, gag lever post 14 is corresponding with spacing groove 15 this moment, under elastic air bag 13's elasticity reset action, promote two movable plates 12 and keep away from each other and drive two gag lever posts 14 and extend to spacing groove 15 and carry on spacing fixed, thereby realize stirring the convenient dismouting of thick section of thick bamboo 8 and handle 9, make things convenient for staff to operate adjusting nut 6, the staff stirs adjusting nut 6 through stirring thick section of thick bamboo 8 and adjusts the pressure of spring dish 5 afterwards, make it provide clamp force tapered shaft 4 and move backward and drive petal cover 3 and take place to warp, the even inner wall that props fixed through-hole 101, thereby it is even to warp and cliies thin wall work piece 2, the dispersion clamping-force, deformation position can not concentrate on local region, be difficult for making thin wall work piece 2 warp the damage, the precision and the size of protection hole.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an inner hole rises and tightly presss from both sides tight anchor clamps structure, includes the anchor clamps body (1), its characterized in that: the inside of the anchor clamps body (1) is opened and is chiseled there are fixed through hole (101), the outer end of fixed through hole (101) is equipped with thin wall work piece (2), the inside of fixed through hole (101) is equipped with tapered shaft (4), petal cover (3) are installed to the inner wall of fixed through hole (101), and petal cover (3) are located the outside of tapered shaft (4), the outer pot head of tapered shaft (4) is equipped with adjusting nut (6), install dish spring (5) between adjusting nut (6) and the anchor clamps body (1), and dish spring (5) cover is established on the outer end of tapered shaft (4), the upper end of adjusting nut (6) is equipped with toggle mechanism.

2. The inner hole tensioning and clamping fixture structure as claimed in claim 1, wherein: the toggle mechanism comprises a toggle thick cylinder (8), a mounting groove (7) is formed in the upper end of the adjusting nut (6) in a chiseled mode, a built-in round block (10) is fixedly connected to the inner wall of the mounting groove (7), the toggle thick cylinder (8) is located in the mounting groove (7) and is in contact with the built-in round block (10), a handle (9) is fixedly connected to the upper end of the toggle thick cylinder (8), a built-in transverse pipe (11) is fixedly connected to the inner wall of the toggle thick cylinder (8), two movable plates (12) are arranged inside the built-in transverse pipe (11), an elastic air bag (13) is fixedly connected between the two movable plates (12), two limiting rods (14) are fixedly connected to the ends, far away from the movable plates (12), of the inner wall of the toggle thick cylinder (8) is chiseled with two through holes, two limiting grooves (15) are formed in the inner wall of the mounting groove (7), the outer ends of the limiting rods (14) penetrate through the through holes and extend into the limiting grooves (15), and the outer ends of the limiting rods are matched with the limiting grooves (15).

3. The inner hole tensioning and clamping fixture structure as claimed in claim 2, wherein: the lower end of the poking thick cylinder (8) is fixedly connected with an inserting block (16), the upper end of the built-in round block (10) is provided with a slot (17) in a chiseling mode, and the inserting block (16) is located in the slot (17) and matched with the slot.

4. The inner hole tensioning and clamping fixture structure as claimed in claim 2, wherein: the outer end of the handle (9) is sleeved with a protective sleeve (901), and anti-slip grains are arranged on the surface of the protective sleeve (901).

5. The inner hole tensioning and clamping fixture structure as claimed in claim 2, wherein: spherical grooves are formed in the upper end and the lower end of the moving plate (12), balls (1201) are rotatably connected to the inner portions of the two spherical grooves, and the outer ends of the two balls (1201) are in contact with the inner wall of the built-in transverse tube (11).