CN220783063U

CN220783063U - Rotating shaft clamp

Info

Publication number: CN220783063U
Application number: CN202322645360.4U
Authority: CN
Inventors: 卓成雁
Original assignee: Shenzhen Baituo Precision Machinery Co ltd
Current assignee: Shenzhen Baituo Precision Machinery Co ltd
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-04-16
Anticipated expiration: 2033-09-28

Abstract

The utility model provides a rotating shaft clamp which comprises a supporting block, a rotating shaft and a clamping plate, wherein the clamping plate is in threaded connection with the supporting block, the rotating shaft is arranged between the supporting block and the clamping plate, the clamping plate can rotate around the rotating shaft by a small extent under the influence of the rotating shaft when a bolt is adjusted to be tight, so that the clamping force of a part to be processed by the clamping plate is offset, the friction force between the part and the clamp is increased, the clamping stability is improved, and meanwhile, the clamp is simple in structure, easy to operate and low in production cost.

Description

Rotating shaft clamp

Technical Field

The utility model relates to the technical field of tools, in particular to a rotating shaft clamp.

Background

The fixture is a device for fixing a workpiece in a correct position in a machine manufacturing process so as to receive construction or detection, and is also called a fixture in a broad sense, any process in the process, and a device for quickly, conveniently and safely installing a workpiece can be called a fixture, such as a welding fixture, an inspection fixture, an assembly fixture, a machine tool fixture, and the like, wherein the machine tool fixture is most commonly called a fixture for short, and when the workpiece is machined on a machine tool, the workpiece must be installed (positioned) and clamped (clamped) before machining in order to achieve the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces, and the like, which are specified in the drawing.

When the existing clamp is used for processing parts, repeated clamping is needed for a plurality of times, and multi-working is completed; according to the traditional process, the special fixture is used for repeatedly clamping for a plurality of times, the manual operations of reaming and deburring are carried out in separate procedures, and the size consistency of parts is poor; the production efficiency of the parts is low, the processing period of the parts is long, and the labor intensity is high.

Therefore, it is necessary to provide a spindle clamp to solve the above-mentioned problems.

Disclosure of Invention

The utility model discloses a rotating shaft clamp, which aims to solve the problems of complex structure and troublesome assembly of the clamp in the prior art.

In order to solve the technical problems, the following technical scheme is proposed:

the utility model provides a pivot class anchor clamps for the centre gripping waits to process the part to it is fixed with the lathe workstation, including supporting shoe, pivot and grip block, grip block spiro union is in the supporting shoe side, and the grip block upwards stretches out supporting shoe plane one section distance, the pivot rotates to be connected between grip block and supporting shoe, be equipped with on grip block and the supporting shoe with pivot complex arc groove, there is the rotation space grip block and supporting shoe, one side that the grip block top surface kept away from is equipped with echelonment arch, form the centre gripping space between grip block and the echelonment arch.

Preferably, the clamping plate is provided with a plurality of through holes, the through holes are combined into a row and parallel to the axis of the rotating shaft, and the supporting block is correspondingly provided with a plurality of threaded holes.

Preferably, the support block is provided with a counter bore for enabling the support block to be fixed on a machine tool workbench, and the axis of the counter bore is perpendicular to the axis of the rotating shaft and perpendicular to the axis of the threaded hole.

Preferably, the support block is provided with a counter bore for enabling the support block to be fixed on a machine tool workbench, and the axis of the counter bore is perpendicular to the axis of the rotating shaft and parallel to the axis of the threaded hole.

Preferably, the width of the rotational void ranges from 2 to 5mm.

Preferably, the diameter of the shaft is in the range of 5-15mm.

Preferably, the height of the stepped protrusions ranges from 5 to 20mm.

The utility model has the beneficial effects that: the utility model provides a pivot class anchor clamps, including supporting shoe, pivot and grip block, grip block and supporting shoe spiro union, the pivot is arranged in between supporting shoe and the grip block, through the pivot influence, the grip block can be when adjusting bolt elasticity revolute the pivot and do little range rotation for the grip block takes place the skew to the clamping force of treating the processing part, makes the frictional force increase between part and the anchor clamps, and the centre gripping stability improves, simultaneously, anchor clamps simple structure, easy operation, manufacturing cost is extremely low, in addition can make the anchor clamps adapt to various parts easily through the just volume of changing the supporting shoe.

Drawings

FIG. 1 is a schematic view of a clamping state of the present utility model;

FIG. 2 is a schematic view of the present utility model in a relaxed state;

FIG. 3 is a side cross-sectional view of a support block according to an embodiment of the present utility model;

FIG. 4 is a side cross-sectional view of a second embodiment of the support block of the present utility model.

The main reference numerals are as follows: 1. a support block; 2. a clamping plate; 3. a rotating shaft; 4. and (5) screwing the bolt.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

The following detailed description of the embodiments of the utility model, provided in the accompanying drawings, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a spindle clamp for clamping a part to be machined, and fixing the part to be machined with a machine tool workbench, including a supporting block 1, a spindle 3, and a clamping plate 2, wherein the clamping plate 2 is screwed to a side of the supporting block 1, and the clamping plate 2 extends upward to a distance from a plane of the supporting block 1, the spindle 3 is rotatably connected between the clamping plate 2 and the supporting block 1, the clamping plate 2 and the supporting block 1 are provided with arc grooves matching with the spindle 3, a rotation gap exists between the clamping plate 2 and the supporting block 1, a stepped protrusion is provided on a side of the top surface of the supporting block 1 away from the clamping plate 2, a clamping space is formed between the clamping plate 2 and the stepped protrusion, the supporting block 1 is firstly fixed on the machine tool workbench, then the part to be machined is placed in the clamping space, a surface to be machined of the part faces horizontally upwards, and a vertical surface on the part is abutted against a side of the stepped protrusion near the clamping space, so as to be a reference surface, and finally, the clamping plate 2 is tightened in a direction of the supporting block 1 by tightening a bolt 4, so that the clamping plate 2 is tightened in a direction of the supporting block 1, and the spindle 3 is completed.

Specifically, the clamping plate 2 and the upper part are provided with a plurality of through holes, the through holes are combined into a row to be parallel to the axis of the rotating shaft 3, a plurality of threaded holes are correspondingly formed in the supporting block 1, the stress direction of the clamping plate 2 is ensured to be parallel to the axis of the rotating shaft 3, the fastening capability of the clamping plate 2 is enhanced, and the clamping plate 2 is prevented from loosening in the processing process, so that parts fall off.

Example 1

Specifically, be equipped with the counter bore on the supporting shoe 1 for make supporting shoe 1 can be fixed with the lathe workstation on, counter bore axis and pivot 3 axis are perpendicular and with the screw hole axis is perpendicular, this scheme can make the centre gripping space opening direction of anchor clamps up when fixing to the lathe workstation.

Example two

Specifically, the support block 1 is provided with a counter bore for enabling the support block 1 to be fixed on a machine tool workbench, the axis of the counter bore is perpendicular to the axis of the rotating shaft 3 and is parallel to the axis of the threaded hole, and the scheme can enable the opening direction of the clamping space of the clamp to horizontally extend when the clamp is fixed on the machine tool workbench.

Specifically, the width of the rotational gap ranges from 2 to 3mm.

Specifically, the diameter of the rotating shaft 3 ranges from 5 to 15mm.

Specifically, the height of the stepped bosses ranges from 5 to 20mm.

The above disclosure is only a few specific embodiments of the present utility model, but the present utility model is not limited thereto, and any changes that can be thought by those skilled in the art should fall within the protection scope of the present utility model.

Claims

1. The utility model provides a pivot class anchor clamps for centre gripping waits to process the part to it is fixed with lathe workstation, its characterized in that: including supporting shoe, pivot and grip block, grip block spiro union is in the supporting shoe side to the grip block upwards stretches out supporting shoe plane a section distance, and the pivot rotates to be connected between grip block and supporting shoe, and one side that grip block and supporting shoe are relative all is equipped with pivot complex arc groove, has the rotation space between grip block and the supporting shoe, and one side that the grip block top surface kept away from the grip block is equipped with echelonment arch, forms the centre gripping space between grip block and the echelonment arch.

2. A spindle clamp as defined in claim 1, wherein: the clamping plate is provided with a plurality of through holes, the through holes are combined into a row and parallel to the axis of the rotating shaft, and the supporting block is correspondingly provided with a plurality of threaded holes.

3. A spindle clamp according to claim 2, wherein: the support block is provided with a counter bore for fixing the support block on a machine tool workbench through bolts, and the axis of the counter bore is perpendicular to the axis of the rotating shaft and perpendicular to the axis of the threaded hole.

4. A spindle clamp according to claim 2, wherein: the support block is provided with a counter bore for fixing the support block on a machine tool workbench through bolts, and the axis of the counter bore is perpendicular to the axis of the rotating shaft and parallel to the axis of the threaded hole.

5. A spindle clamp as defined in claim 1, wherein: the width of the rotating gap ranges from 2 mm to 5mm.

6. A spindle clamp as defined in claim 1, wherein: the diameter of the rotating shaft is 5-15mm.

7. A spindle clamp as defined in claim 1, wherein: the height of the step-shaped bulge is 5-20mm.