CN220636961U

CN220636961U - Universal clamp

Info

Publication number: CN220636961U
Application number: CN202321013585.1U
Authority: CN
Inventors: 彭庆伟
Original assignee: Yunnan Pengxing Machinery Manufacturing Co ltd
Current assignee: Yunnan Pengxing Machinery Manufacturing Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2024-03-22
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a universal clamp, which belongs to the technical field of clamps and comprises a hinged frame body, wherein one side of the four-way end part of the hinged frame body is provided with a rotary clamping seat, the rotary clamping seat is rotationally provided with a clamping assembly, and clamping spaces are formed between four groups of extrusion ends; the hinge bracket body is further provided with an inner top, the inner top can provide outward force for the end part of the workpiece with the diameter reduced towards the inner side or provide inward jacking tension for the inner side of the pipe fitting, the workpiece with the cuboid shape, rod shape, diameter expansion end and other states can be clamped outside through the structure, especially the workpiece with the diameter expansion end can be clamped outside through the structure, the four clamping ends are inclined towards the end part of the workpiece, the inner top is matched with the workpiece to provide outward jacking force, stable clamping of the workpiece is realized, and meanwhile, when the pipe fitting is faced, the mode of outer clamping or inner top and outer auxiliary clamping combination of the inner top and the inner top can be selected according to requirements, so that more options are provided, and extrusion deformation of the pipe fitting is avoided.

Description

Universal clamp

Technical Field

The utility model relates to the technical field of clamps, in particular to a universal clamp.

Background

The fixture is an industrial fixture and is generally used in the process of processing, manufacturing and maintaining. They have the function of stably fixing a workpiece or material on a machine or a tooling device for performing a related operation, however, the existing clamps such as those disclosed in chinese patent No. CN201220301523.6 include an arcuate clamp body and a screw threaded through the clamp body, and a clamping space for the workpiece is formed by screwing the screw into an inner side of one end of the clamp body, thereby completing a clamping function.

The clamp can adopt a one-way or two-way pushing screw rod, and the end result is that two sides of a workpiece are clamped, but during actual work, the workpiece with the pipe fitting and the end part contracted inwards is frequently encountered, and then when the workpiece is clamped, whether the pipe fitting is deformed or not in an outside clamping mode needs to be considered, and on the other hand, the existing clamp cannot stably clamp the workpiece with the end part contracted inwards.

Based on the problems, the utility model provides the universal clamp, so that the outer clamp and the inner top can be selectively carried out on a pipe fitting, and meanwhile, the workpiece with the reduced diameter can be stably clamped.

Disclosure of Invention

Aiming at the problems in the technical background, the utility model aims to provide the universal clamp which can selectively clamp the outer clamp and the inner top of a pipe fitting and can stably clamp a workpiece with a reduced diameter, so that the problem that the existing clamp in the background art cannot select the outer clamp and the inner top according to the condition of the pipe fitting and cannot stably clamp the end part with the reduced diameter is solved.

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

the universal fixture comprises a hinged frame body, wherein one side of the four-way end part of the hinged frame body is provided with a rotary clamping seat, the rotary clamping seat is rotationally provided with a clamping assembly with an extrusion end facing the hinge axis, and clamping spaces are formed among the four groups of extrusion ends; the hinged frame body is further provided with an inner top, the inner top can provide outward force for the end part of the workpiece with the diameter reduced towards the inner side or provide inward jacking force for the inner side of the pipe fitting, the hinged frame body is arranged, the clamping tooth assemblies are rotationally arranged on one side of the four-way end part of the hinged frame body, clamping spaces are formed between the extrusion ends of the four groups of clamping tooth assemblies, namely, the workpiece in cuboid, rod-shaped, diameter expansion end and other states can be clamped outside, especially the workpiece with the diameter expansion end can be met, the four clamping ends are inclined towards the end part of the workpiece, the inner top is matched with the outer jacking force, stable clamping of the workpiece is achieved, and meanwhile, when the pipe fitting is faced, the mode of outer clamping or the inner jacking of the inner top is selected according to requirements, the mode of outer auxiliary clamping combination is more, and extrusion deformation of the pipe fitting is avoided.

In the above technical scheme, further, the clamping component comprises a rotating seat, a first screw is arranged on the rotating seat in a threaded manner, the first screw is parallel to the frame body, an extrusion head is arranged at one end of a hinged axis of the first screw, and a first handle is connected to the other end of the first screw.

In the above technical scheme, further, two ends of one of the hinged frame bodies are fixedly arranged on the station.

In the above technical scheme, still further, the articulated shaft of articulated support body is an internal thread section of thick bamboo, interior top includes the positioning disk, screw rod two, rotary joint, adapter and four ejector pins, the positioning disk is fixed on the articulated support body with the extrusion head homonymy, be equipped with cross storage tank on the positioning disk, storage tank four sides all are equipped with the spacing groove towards positioning disk circumferencial direction both sides, screw rod two is mounting relationship with the internal thread section of thick bamboo, and screw rod two passes through rotary joint connection adapter, four ejector pins are connected in the four-way rotation of adapter, the other end of four ejector pins has the plug of inserting the spacing groove.

In the above technical scheme, further, the other end of the second screw is connected with the second handle.

In the above technical scheme, further, the distance between the rotation axis of the rotation seat and the positioning disc is set to be 6-10cm, and the maximum clamping depth of the workpiece is set.

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

through setting up the articulated support body and rotating to tip one side at articulated support body quadriversal, four press from both sides the tooth subassembly, form the centre gripping space between the extrusion of tooth subassembly of group, not only can satisfy the work piece to cuboid form, shaft-like, diameter expansion end state carry out outside different angles's centre gripping, especially diameter expansion end work piece, through setting up four centre gripping end slope to work piece tip, the top provides outside to the top force in the collocation, realize the stable centre gripping to the work piece, simultaneously when facing the pipe fitting, can select the outside to add to hold or the inside top of interior top adds outside auxiliary clamp mode that combines according to the demand, the selectivity is more, avoid pipe fitting extrusion deformation.

Drawings

FIG. 1 is a perspective view of a universal fixture provided by an embodiment of the present utility model;

FIG. 2 is a perspective view of the top of the universal fixture providing internal top tension for a pipe in accordance with an embodiment of the present utility model;

FIG. 3 is a top perspective view of a universal fixture according to an embodiment of the present utility model;

fig. 4 is a partially separated perspective view of an inner top portion according to an embodiment of the present utility model.

In the figure: 100. a hinged frame body; 110. rotating the clamping seat; 120. an internal thread cylinder;

200. a clamping assembly; 210. a rotating seat; 220. a first screw; 221. an extrusion head; 230. a first handle;

300. an inner top; 310. a positioning plate; 320. a receiving groove; 321. a limit groove; 330. a second screw; 340. a second handle; 350. a rotary joint; 360. an adapter; 370. a push rod; 371. a plug.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Example 1

As shown in fig. 1-3, the universal fixture is an articulated frame body 100, wherein the articulated shaft is an internal thread cylinder 120, two ends of one frame body of the articulated frame body 100 are fixed on a station through bolts, one side of the four-directional end part of the articulated frame body 100 is provided with a rotary seat 210 through a rotary clamping seat 110, a screw rod 220 is installed on the rotary seat 210 in a threaded penetrating manner, one end of the screw rod 220 facing the articulated shaft is provided with a hemispherical extrusion head 221, the other end of the screw rod 220 is connected with a handle 230, the extrusion depth of the extrusion head 221 at the inner end is controlled by rotating the handle 230, the clamping space distribution of the four-directional extrusion head is controlled by controlling the relative rotation angle of the other movable frame body, and the workpieces in cuboid, rod-shaped, diameter expansion end and other states are clamped at different angles along with the rotation of the rotary seat 210, and the special-shaped end part also has stable holding structural conditions.

As shown in fig. 1-4, a second screw 330 is mounted on the internal thread cylinder 120 in a threaded manner, a positioning disk 310 is fixedly mounted on one side of the coaxial center of the hinge shaft of the hinge frame body 100, a cross-shaped accommodating groove 320 is formed in the positioning disk 310, the center of the accommodating groove 320 coincides with one end of the internal thread cylinder 120, one end of the second screw 330 is connected with a adapter seat 360 through a rotary joint 350, the other end of the second screw 330 is connected with a second handle 340, the adapter seat 360 is rotationally connected with four top plates 370 through grooves, meanwhile, limit grooves 321 are symmetrically formed in two side surfaces of the four grooves of the accommodating groove 320, a plug 371 is arranged at the other end of the top rod 370, and the plug 371 is inserted into the limit grooves 321;

the inner top 300 includes two operational states:

the method comprises the following steps: when external force is required to be provided for the solid end to increase the clamping stability, for example, the diameter expansion end is provided, the second screw 330 is driven by the second rotating handle 340 to push the rotating joint 350 and the adapter 360 to move outwards, so that finally, the clamping thrust for extruding the end of the workpiece to the outside of the workpiece family is realized by the adapter 360, and the workpiece is stably clamped and fixed by being matched with a plurality of external extrusion heads 221;

and two,: when the workpiece is a pipe fitting, the pipe fitting is easy to deform only through the outer clamping due to the limitation of the wall thickness or the material of the pipe fitting, so that one step of synchronous operation is needed, the plurality of ejector rods 370 are driven to open in an umbrella shape in the process of sliding the adapter seat 360 outwards, the outer clamping is matched, the effect of clamping teeth of the inner and outer matching of the pipe fitting is realized, and the deformation of the pipe fitting is avoided.

The distance between the rotation axis of the rotation seat 210 and the positioning disk 310 is the maximum clamping depth of the workpiece and is set to be 6-10cm, so that the clamping operation space is ensured.

Meanwhile, the universal fixture provided by the utility model can not only effectively clamp the workpiece, but also can well clamp the end part of the special-shaped workpiece through adjusting the direction and the angle of the clamping teeth, is convenient to operate, and is stable in clamping teeth.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Universal fixture, including articulated support body (100), its characterized in that:

a rotary clamping seat (110) is arranged on one side of the four-direction end part of the hinged frame body (100), a clamping assembly (200) with an extrusion end facing the hinge axis is rotatably arranged on the rotary clamping seat (110), and clamping spaces are formed among the four groups of extrusion ends;

the hinge frame body (100) is also provided with an inner top (300), and the inner top (300) can provide outward force for the end part of the inner diameter-reducing workpiece or provide inner top tension for the inner side of the pipe fitting.

2. The universal fixture according to claim 1, wherein the clamping assembly (200) comprises a rotating seat (210), a first screw rod (220) is mounted on the rotating seat (210) in a threaded mode, the first screw rod (220) is parallel to the frame body, an extrusion head (221) is arranged at one end of the first screw rod (220) towards the hinge axis, and a first handle (230) is connected to the other end of the first screw rod.

3. The universal fixture of claim 2, wherein two ends of one of the hinged frames (100) are fixedly disposed at the station.

4. The universal fixture according to claim 2, wherein the hinge shaft of the hinge bracket body (100) is an internal thread cylinder (120), the internal top (300) comprises a positioning disc (310), a second screw rod (330), a rotary joint (350), a switching seat (360) and four ejector rods (370), the positioning disc (310) is fixed on the hinge bracket body (100) on the same side as the extrusion head (221), a cross-shaped accommodating groove (320) is arranged on the positioning disc (310), limit grooves (321) are arranged on four sides of the accommodating groove (320) towards two sides of the circumferential direction of the positioning disc (310), the second screw rod (330) is in installation relation with the internal thread cylinder (120), the second screw rod (330) is connected with the switching seat (360) through the rotary joint (350), the switching seat (360) is rotationally connected with four ejector rods (370) in four directions, and the other ends of the four ejector rods (370) are provided with plugs (371) inserted into the limit grooves (321).

5. The universal fixture of claim 4, wherein the second end of the second screw (330) is connected to the second handle (340).

6. The universal fixture according to claim 4, wherein the distance between the rotation axis of the rotation seat (210) and the positioning plate (310) is set to 6-10cm for the maximum clamping depth of the workpiece.