CN212096060U

CN212096060U - Anchor clamps for machining

Info

Publication number: CN212096060U
Application number: CN202020705306.8U
Authority: CN
Inventors: 屈随良
Original assignee: Shenzhen Xinyi Hardware Silicone Products Co ltd
Current assignee: Shenzhen Xinyi Hardware Silicone Products Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2020-12-08
Anticipated expiration: 2030-04-30

Abstract

The utility model relates to the technical field of machining, in particular to a clamp for machining, which is used for clamping a machined part and comprises a base, a clamping mechanism arranged on the base and a positioning piece fixedly arranged on a first end surface of the base; the base is provided with a sliding groove with an opening at a first end surface; the clamping mechanism can be arranged on the sliding groove in a sliding manner; the setting element includes first locating piece and fixed connection in the second locating piece of first locating piece one end, slip fixture to make fixture be close to or keep away from first locating piece and second locating piece, can realize the centre gripping or the release to processing part, adjust simply, convenient to use, and then improve the clamping efficiency of processing part.

Description

Anchor clamps for machining

Technical Field

The utility model relates to a machining technical field specifically is an anchor clamps for machining.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process. Before machining a mechanical part, the mechanical part generally needs to be fixed and clamped before subsequent machining. The clamp in the prior art usually only has a locating surface or a locating point, so that only regular parts are conveniently clamped, and other auxiliary tools are required to be used for clamping irregular parts so as to finish clamping the parts, so that the clamping work is complicated, and the clamping efficiency is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to solve the problems, the utility model provides a convenient to use's anchor clamps for machining.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a clamp for machining is used for clamping a machined part and comprises a base, a clamping mechanism arranged on the base and a positioning piece fixedly arranged on a first end face of the base; the base is provided with a sliding groove with an opening at a first end surface; the clamping mechanism can be arranged on the sliding groove in a sliding manner; the locating piece includes first locating piece and fixed connection in the second locating piece of first locating piece one end, slip fixture to make fixture be close to or keep away from first locating piece and second locating piece, can realize the centre gripping or the release to processing part.

Preferably, the sliding groove comprises a first sliding groove, an included angle is formed between the first positioning block and the second positioning block, the direction of the angular bisector of the included angle is consistent with the sliding direction of the first sliding groove, the clamping mechanism comprises a first clamping mechanism, and the first clamping mechanism is slidably arranged on the first sliding groove so as to clamp or release the machined part.

Preferably, the sliding groove further comprises a second sliding groove and a third sliding groove, the sliding direction of the second sliding groove is parallel to the length direction of the second positioning block, the sliding direction of the third sliding groove is parallel to the length direction of the first positioning block, the clamping mechanism further comprises a second clamping mechanism and a third clamping mechanism, the second clamping mechanism is slidably arranged on the second sliding groove, and the third clamping mechanism is slidably arranged on the third sliding groove so as to clamp or release the machined part.

Preferably, the first clamping mechanism comprises a first clamping assembly and a first driving assembly, the first clamping assembly is slidably connected to the first sliding groove, and the first driving assembly is mounted on the base and is in driving connection with the first clamping assembly; the structure of the second clamping mechanism and the structure of the third clamping mechanism are the same as the structure of the first clamping mechanism.

Preferably, the first clamping assembly comprises a sliding part and a clamping part, the sliding part is slidably connected to the first sliding groove, and the clamping part is arranged outside the first end face of the base and fixedly connected to the sliding part so as to clamp or release the machined part.

Preferably, the first driving assembly comprises a driving screw and an adjusting knob, the sliding part is provided with threads, the driving screw is rotatably connected in the first sliding groove and is in threaded connection with the sliding part, one end of the driving screw extends out of the side wall of the base and is detachably connected with the adjusting knob, and the driving screw can be rotated and drives the sliding part to slide by rotating the adjusting knob.

Preferably, the fixture for machining further comprises a plurality of flexible pads, the flexible pads are fixedly arranged on the positioning surfaces of the first positioning block and the second positioning block respectively, and the clamping surface of the clamping piece is a flexible surface.

Preferably, the clamp for machining further comprises an anti-slip rubber pad, and the anti-slip rubber pad is fixedly arranged on the first end face of the base.

Preferably, the base is further provided with a through hole for communicating the sliding groove with the second end surface of the base.

(III) advantageous effects

The utility model provides an anchor clamps for machining possesses following beneficial effect: when the clamping mechanism is used, one end of a machined part is abutted to the first end face of the base, one or two outer side walls of the machined part are sequentially abutted to the positioning face of the first positioning block and the positioning face of the second positioning block so as to perform two-point positioning or two-face positioning on the machined part, and then the clamping mechanism is adjusted to abut to the outer side walls of the machined part, so that at least three different positions of the outer side walls of the machined part can be clamped; the clamping mechanism is slidably adjusted to abut against the outer side wall of the machined part, so that the machined part can be clamped; when the machined part needs to be taken down, the clamping mechanism only needs to be adjusted in a reverse sliding mode, the machined part can be released when being far away from the outer side wall of the machined part, the adjustment is simple, the use is convenient, and the clamping efficiency of the machined part is further improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 shows a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 shows a cross-sectional view at the first fixture in an embodiment of the invention;

fig. 3 shows a schematic structural view of a first clamping mechanism in an embodiment of the invention;

fig. 4 shows a schematic structural diagram of the base in the embodiment of the present invention.

In the figure: 2 a base, 21A sliding groove, 21A first sliding groove, 21B second sliding groove, 21C third sliding groove, 22 through holes, 3 clamping mechanisms, 3A first clamping mechanism, 3B second clamping mechanism, 3C third clamping mechanism, 31 first clamping component, 32 first driving component, 311 sliding component, 312 clamping component, 321 driving screw rod, 322 adjusting knob, 4 positioning component, 41 first positioning block, 42 second positioning block, 5 flexible pad, 6 anti-skid rubber pad.

Detailed Description

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

Referring to fig. 1 to 4, an embodiment of the present invention provides a machining fixture for clamping a machined part, including a base 2, a clamping mechanism 3 mounted on the base 2, and a positioning member 4 fixedly mounted on a first end surface of the base 2; the base 2 is provided with a sliding groove 21 with an opening at a first end surface; the clamping mechanism 3 is slidably arranged on the sliding groove 21; the positioning member 4 includes a first positioning block 41, a second positioning block 42 fixedly connected to one end of the first positioning block 41, and the clamping mechanism 3 is slid so that the clamping mechanism 3 is close to or far away from the first positioning block 41 and the second positioning block 42, thereby clamping or releasing the machined part.

According to the scheme, when the clamping mechanism is used, one end of a machined part is abutted to the first end face of the base 2, one or two outer side walls of the machined part are sequentially abutted to the positioning face of the first positioning block 41 and the positioning face of the second positioning block 42 so as to perform two-point positioning or two-surface positioning on the machined part, and then the clamping mechanism 3 is adjusted to abut to the outer side walls of the machined part, so that at least three different positions of the outer side walls of the machined part can be clamped; the two positioning surfaces are arranged, so that the positioning of the machined part can be quickly realized, and the clamping mechanism 3 is slidably adjusted to be abutted to the outer side wall of the machined part, so that the clamping of the machined part can be finished; when the machined part needs to be taken down, the clamping mechanism 3 only needs to be adjusted in a reverse sliding mode, the machined part can be released when being far away from the outer side wall of the machined part, the adjustment is simple, the use is convenient, and the clamping efficiency of the machined part is further improved.

Further, the sliding groove 21 includes a first sliding groove 21A, an included angle is formed between the first positioning block 41 and the second positioning block 42, a bisector direction of the included angle is consistent with a sliding direction of the first sliding groove 21A, the clamping mechanism 3 includes a first clamping mechanism 3A, and the first clamping mechanism 3A is slidably disposed on the first sliding groove 21A to clamp or release the machined part. In this embodiment, since the sliding direction of the first clamping mechanism 3A is consistent with the direction of the angular bisector of the included angle between the first positioning block 41 and the second positioning block 42, the machined part can be clamped by using a single first clamping mechanism 3A, so that the clamping structure can be simplified, the operation difficulty of the clamping operation can be reduced, and the clamping operation can be conveniently completed.

Further, in order to enable the machined part to have a better clamping effect, the sliding groove 21 further comprises a second sliding groove 21B and a third sliding groove 21C, the sliding direction of the second sliding groove 21B is parallel to the length direction of the second positioning block 42, the sliding direction of the third sliding groove 21C is parallel to the length direction of the first positioning block 41, the clamping mechanism 3 further comprises a second clamping mechanism 3B and a third clamping mechanism 3C, the second clamping mechanism 3B is slidably arranged on the second sliding groove 21B, and the third clamping mechanism 3C is slidably arranged on the third sliding groove 21C to clamp or release the machined part.

Specifically, when the first clamping mechanism 3A is inconvenient to clamp the machined part or the first clamping mechanism 3A is poor in clamping effect on the machined part, the second clamping mechanism 3B and the third clamping mechanism 3C can be used for clamping the machined part together, so that a better clamping effect is achieved; of course, the first clamping mechanism 3A, the second clamping mechanism 3B and the third clamping mechanism 3C may be used to clamp the machined part together, so as to improve the clamping effect on the machined part.

Further, in order to facilitate the sliding adjustment of the first clamping mechanism 3A, the clamping or releasing of the machined part is realized, and the subsequent work of the machined part is facilitated. The first clamping mechanism 3A comprises a first clamping component 31 and a first driving component 32, the first clamping component 31 is slidably connected to the first sliding groove 21A, and the first driving component 32 is installed on the base 2 and is in driving connection with the first clamping component 31; the second gripper mechanism 3B and the third gripper mechanism 3C are each the same in structure as the first gripper mechanism 3A. When the clamping device is used, the first clamping assembly 31 is driven by the first driving assembly 32, so that the first clamping assembly 31 can slide on the base 2, and a machined part is clamped or released.

Further, the first clamping assembly 31 includes a sliding member 311 and a clamping member 312, the sliding member 311 is slidably connected to the first sliding groove 21A, and the clamping member 312 is disposed outside the first end surface of the base 2 and is fixedly connected to the sliding member 311 to clamp or release the machining part. In this embodiment, the clamping member 312 is fixedly connected to the sliding member 311 by a screw to clamp or release the machined part; the sliding member 311 and the clamping member 312 are formed and processed separately, so that different materials can be used conveniently, the processing steps can be simplified, and the processing cost is reduced.

Further, to facilitate the sliding adjustment of the slider 311, the clamping or releasing requirement of the machined part is satisfied. The first driving assembly 32 includes a driving screw 321 and an adjusting knob 322, the sliding member 311 is provided with a thread, the driving screw 321 is rotatably connected in the first sliding groove 21A and is in threaded connection with the sliding member 311, and one end of the driving screw 321 extends out of the side wall of the base 2 and is detachably connected with the adjusting knob 322, and by rotating the adjusting knob 322, the driving screw 321 can be rotated and the sliding member 311 can be driven to slide.

Although the first driving assembly 32 may slide and adjust the slider 311 by using a motor and a screw rod, in order to reduce the overall production cost and maintenance cost of the machining jig, in the present embodiment, the first driving assembly 32 slides and adjusts the slider 311 by using the driving screw 321 and the adjusting knob 322, so that the requirement for clamping the machined part can be met, and the production and use costs can also be reduced. The adjustment knob 322 is detachably attached to the acquisition screw 321 by a fixing pin. In this embodiment, in order to reduce the processing difficulty of the first sliding groove 21A, the first sliding groove 21A further has an opening disposed on the side wall of the base 2, and the base 2 can be further detachably provided with an installation block at the opening of the first sliding groove 21A, so as to prevent the sliding part 311 from sliding out of the first sliding groove 21A, and meanwhile, the driving screw 321 can be rotatably connected to the installation block, so as to drive the sliding part 311.

Further, in order to reduce the risk of damage to the surface of the machined part by clamping, the clamp for machining further includes a flexible pad 5, the flexible pad 5 is provided with a plurality of pieces, and the pieces are respectively and fixedly arranged on the positioning surfaces of the first positioning block 41 and the second positioning block 42, and the clamping surface of the clamping piece 312 is a flexible surface. In this embodiment, the flexible pad 5 is fixed on the positioning surfaces of the first positioning block 41 and the second positioning block 42 by gluing.

Further, in order to improve the clamping effect on the machined part, the clamp for machining further comprises an anti-skid rubber pad 6, and the anti-skid rubber pad 6 is fixedly arranged on the first end face of the base 2. Specifically, during the use, the terminal surface butt of processing part is on anti-skidding cushion 6, has certain frictional force between anti-skidding cushion 6 and the processing part, and when grasping the back with mechanism's part, frictional force between anti-skidding cushion 6 and the processing part just can restrict the slip of processing part to increase the required external force of processing part slip, thereby make the centre gripping to the processing part more firm. In this embodiment, the anti-slip rubber mat 6 is further provided with a positioning column so as to rapidly and accurately install the anti-slip rubber mat 6 on the first end surface of the base 2.

Further, in order to facilitate the discharge of the processing scraps entering the slide groove 21, the normal movement of the slider 311 and the drive screw 321 is ensured. The base 2 is further provided with a through hole 22 communicating the sliding groove 21 and the second end face of the base 2, and the width of the through hole 22 is not less than the width of the sliding groove 21 in the length direction of the first end face of the base 2. In this embodiment, the second end surface of the base 2 is provided with a limiting connection block, so that when the base 2 is mounted on the workbench or the processing machine tool, a certain gap is formed between the second end surface of the base 2 and the mounting surface of the workbench or the processing machine tool, thereby facilitating the discharge of the processing scraps entering the sliding groove 21 and ensuring the normal operation of the clamp for machining.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

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. A clamp for machining is used for clamping a machined part and comprises a base (2) and a clamping mechanism (3) arranged on the base (2), and is characterized by further comprising a positioning piece (4) fixedly arranged on a first end face of the base (2);

the base (2) is provided with a sliding groove (21) with an opening at a first end surface; the clamping mechanism (3) is slidably arranged on the sliding groove (21);

the positioning piece (4) comprises a first positioning block (41) and a second positioning block (42) fixedly connected to one end of the first positioning block (41), the clamping mechanism (3) is slid, so that the clamping mechanism (3) is close to or far away from the first positioning block (41) and the second positioning block (42), and clamping or releasing of machined parts can be achieved.

2. The machining jig according to claim 1, wherein the sliding groove (21) includes a first sliding groove (21A), an included angle is formed between the first positioning block (41) and the second positioning block (42), a bisector direction of the included angle is consistent with a sliding direction of the first sliding groove (21A), the clamping mechanism (3) includes a first clamping mechanism (3A), and the first clamping mechanism (3A) is slidably disposed on the first sliding groove (21A) to clamp or release the machined part.

3. The machining jig according to claim 2, wherein the slide groove (21) further includes a second slide groove (21B) and a third slide groove (21C), a sliding direction of the second slide groove (21B) is arranged in parallel with a longitudinal direction of the second positioning block (42), a sliding direction of the third slide groove (21C) is arranged in parallel with a longitudinal direction of the first positioning block (41), the clamping mechanism (3) further includes a second clamping mechanism (3B) and a third clamping mechanism (3C), the second clamping mechanism (3B) is slidably arranged on the second slide groove (21B), and the third clamping mechanism (3C) is slidably arranged on the third slide groove (21C) to clamp or release the machined part.

4. A machining fixture according to claim 3, wherein the first clamping mechanism (3A) comprises a first clamping assembly (31) and a first driving assembly (32), the first clamping assembly (31) is slidably connected to the first sliding groove (21A), and the first driving assembly (32) is mounted on the base (2) and is in driving connection with the first clamping assembly (31); the structure of the second clamping mechanism (3B) and the structure of the third clamping mechanism (3C) are the same as the structure of the first clamping mechanism (3A).

5. A machining fixture according to claim 4, characterized in that the first clamping assembly (31) comprises a sliding member (311) and a clamping member (312), the sliding member (311) is slidably connected to the first sliding groove (21A), and the clamping member (312) is disposed outside the first end face of the base (2) and is fixedly connected to the sliding member (311) for clamping or releasing the machined part.

6. A machining fixture according to claim 5, characterized in that the first driving assembly (32) comprises a driving screw (321) and an adjusting knob (322), the sliding member (311) is provided with threads, the driving screw (321) is rotatably connected in the first sliding groove (21A) and is in threaded connection with the sliding member (311), one end of the driving screw (321) extends out of the side wall of the base (2) and is detachably connected with the adjusting knob (322), and the driving screw (321) can be rotated and the sliding member (311) can be driven to slide by rotating the adjusting knob (322).

7. A machining jig according to claim 5, further comprising a plurality of flexible pads (5), wherein the flexible pads (5) are provided in plural pieces and are respectively fixed to the positioning surfaces of the first positioning block (41) and the second positioning block (42), and the clamping surface of the clamping member (312) is a flexible surface.

8. A machining fixture according to any one of claims 1 to 7, characterized by further comprising an anti-slip rubber pad (6), wherein the anti-slip rubber pad (6) is fixedly arranged on the first end face of the base (2).

9. The machining jig according to claim 1, characterized in that the base (2) is further provided with a through hole (22) communicating the slide groove (21) and the second end surface of the base (2).