CN223339243U - Adjustable clamping device for machining - Google Patents

Abstract

The utility model relates to the technical field of machining, in particular to an adjustable clamping device for machining, which comprises a lifting mechanism, a driving mechanism and a driving mechanism, wherein the lifting mechanism comprises a supporting component and a lifting component arranged on the supporting component, the driving mechanism comprises a mounting frame component arranged on the supporting component, the driving mechanism is controlled to enable two clamps to tightly clamp a part from the left side and the right side of the part, lift a pull handle upwards and rotate, the pull handle is clamped into a clamping block on a supporting block body, the pull handle drives a limiting rod to be separated from a limiting hole, so that the rotation limitation on a rotating shaft is eliminated, a hand wheel is rotated, the clamps and the clamped part are driven to rotate to a required angle, after the part reaches a proper position, the pull handle is lifted again and rotated, the pull handle is released from the clamping block, at the moment, the spring is deformed in a recovery mode, the limiting rod is pushed to be re-embedded into the limiting hole, the repositioning of the rotating shaft is realized, and the part is kept at a required machining angle.

Description

Adjustable clamping device for machining

Technical Field

The utility model belongs to the technical field of machining, and particularly relates to an adjustable clamping device for machining.

Background

Machining refers to the process of changing the physical dimensions or properties of a workpiece by mechanical means. This process encompasses a variety of processes such as cutting, pressing, casting, forging, stamping, welding, etc., where the use of clamping devices is critical, the primary function of the clamping devices in machining being to ensure stability of the workpiece during machining. The device can prevent the workpiece from generating displacement or vibration during processing, thereby ensuring the processing precision and the surface quality.

The existing clamping device can only clamp the part at a single angle, and when other angles of the part are required to be processed, an operator usually needs to take the part off the clamping device, readjust the position of the part and then clamp and process the part. The process is tedious and time-consuming, reduces the processing efficiency, and can also reduce the positioning accuracy of the parts due to multiple clamping, thereby affecting the final processing quality.

Disclosure of utility model

In order to solve the technical problems, the utility model provides an adjustable clamping device for machining, which aims to solve the problems that in the prior art, the clamping device can only clamp a part at a single angle, when other angles of the part are required to be machined, an operator usually needs to take the part off the clamping device, readjust the position of the part, then clamp and machine the part, and the machining efficiency is reduced.

An adjustable clamping device for machining comprises a lifting mechanism, a clamping mechanism and a clamping mechanism, wherein the lifting mechanism comprises a supporting component and a lifting component arranged on the supporting component;

The driving mechanism comprises a mounting frame assembly arranged on the supporting assembly and a driving assembly arranged on the mounting frame assembly;

The clamping mechanism comprises a group of supporting block assemblies which are clamped and embedded on the mounting frame assemblies in a sliding manner, a limiting assembly which is clamped and embedded on the supporting block assemblies in a limiting sliding manner, and a clamping assembly which is clamped and embedded on the group of supporting block assemblies in a rotating manner, wherein the limiting assembly can limit the clamping assembly, and the driving assembly can drive the group of supporting block assemblies to move relatively;

the support block assembly comprises a connecting rod, and one end of the connecting rod is fixedly connected with a support block body;

The limiting assembly comprises a limiting rod which is connected to the supporting block body in a sliding manner, a limiting ring is fixedly connected to the outer part of the limiting rod, one end of the limiting rod extends to the outer part of the supporting block body and is fixedly connected with a pull handle, and a spring is sleeved on the outer part of the limiting rod;

The clamping assembly comprises a clamp, one end of the clamp is fixedly connected with a rotating shaft, the other end of the rotating shaft penetrates through the supporting block body and is fixedly connected with a hand wheel, the rotating shaft is rotationally connected to the supporting block body, a plurality of limiting holes are formed in the outer portion of the rotating shaft, and the spring can drive the limiting rod to be embedded into the limiting holes.

Preferably, the top of supporting shoe body fixedly connected with fixture block, the pull handle can block on the fixture block.

Preferably, the clamp is further connected with a threaded rod in a threaded manner, one end of the threaded rod is fixedly connected with a handle, and the other end of the threaded rod is rotatably connected with a clamping block through a bearing.

Preferably, the mounting frame assembly comprises a mounting frame body, a group of limiting sliding grooves are formed in the mounting frame body, and a group of connecting rods are correspondingly and slidably connected to the group of limiting sliding grooves.

Preferably, the driving assembly comprises a second motor fixedly connected to the mounting frame body, the output end of the second motor extends to the inside of the limiting sliding groove and is fixedly connected with one end of a bidirectional ball screw, the other end of the bidirectional ball screw is rotatably connected to the mounting frame body through a bearing, and the connecting rods are in threaded connection with the outside of the bidirectional ball screw.

Preferably, the supporting component comprises a base, a supporting frame is fixedly connected to the top of the base, a group of guide rods are fixedly connected between the supporting frame and the base, a sliding plate is fixedly connected to the outer parts of the guide rods in a sliding mode, and the mounting frame body is fixedly connected to the sliding plate;

The lifting assembly comprises a first motor fixedly connected to the top of the support frame, one end of a ball screw is fixedly connected to the output end of the first motor, the other end of the ball screw is fixedly connected to the top of the base through a bearing, and the sliding plate is in threaded connection with the outside of the ball screw.

Compared with the prior art, the utility model has the following beneficial effects:

1. According to the utility model, the part is clamped between the two clamps, the driving assembly is controlled, the two clamps tightly clamp the part from the left side and the right side of the part, preliminary fixing is realized, the pull handle is lifted upwards and rotated, the pull handle is clamped into the clamping block on the supporting block body, the spring is in a compressed state, the pull handle drives the limiting rod to be separated from the limiting hole, so that the rotation limit on the rotating shaft is removed, the hand wheel is rotated, the hand wheel drives the clamp and the clamped part to rotate to a required angle through the rotating shaft, after the part reaches a proper position, the pull handle is lifted again and rotated, the pull handle is released from the clamping block, and then the spring is loosened, at the moment, the spring is deformed, the limiting rod is pushed to be re-embedded into the limiting hole, the repositioning of the rotating shaft is realized, the part is ensured to be kept at a required processing angle, and the subsequent processing operation is facilitated.

2. According to the utility model, the motor I is started, the motor I drives the ball screw to rotate, the ball screw rotates to enable the sliding plate to stably ascend or descend under the guide of the guide rod, the sliding plate drives the mounting frame assembly to move, the mounting frame assembly drives the supporting block assembly to move, and the supporting block assembly drives the part on the clamping assembly to move, so that the part can be adjusted to a proper height, and the convenience and efficiency of processing are improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of an exploded construction of the present utility model;

FIG. 3 is a schematic view of the clamping assembly of the present utility model;

FIG. 4 is a schematic diagram of a driving mechanism according to the present utility model;

FIG. 5 is an enlarged view of FIG. 4A in accordance with the present utility model;

fig. 6 is a schematic structural view of the lifting mechanism of the present utility model.

In the figure, 1, a lifting mechanism, 11, a supporting component, 111, a base, 112, a supporting frame, 113, a guide rod, 114, a sliding plate, 12, a lifting component, 121, a motor I, 122, a ball screw, 2, a driving mechanism, 21, a mounting frame component, 211, a mounting frame body, 212, a limiting chute, 22, a driving component, 221, a motor II, 222, a bidirectional ball screw, 3, a clamping mechanism, 31, a supporting block component, 311, a connecting rod, 312, a supporting block body, 313, a clamping block, 32, a limiting component, 321, a limiting rod, 322, a limiting ring, 323, a pull handle, 324, a spring, 33, a clamping component, 331, a clamp, 332, a rotating shaft, 333, a hand wheel, 334, a limiting hole, 335, a threaded rod, 336, a handle, 337 and a clamping block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

As shown in fig. 1 to 6:

the utility model provides an adjustable clamping device for machining, which comprises a lifting mechanism 1, a clamping mechanism and a clamping mechanism, wherein the lifting mechanism comprises a support assembly 11 and a lifting assembly 12 arranged on the support assembly 11;

The driving mechanism 2 comprises a mounting frame assembly 21 mounted on the supporting assembly 11, and a driving assembly 22 mounted on the mounting frame assembly 21;

The clamping mechanism 3 comprises a group of supporting block assemblies 31 which are clamped and embedded on the mounting frame assembly 21 in a sliding manner, a limiting assembly 32 which is clamped and embedded on the supporting block assemblies 31 in a limiting sliding manner, a clamping assembly 33 which is clamped and embedded on the group of supporting block assemblies 31 in a rotating manner, the limiting assembly 32 can limit the clamping assembly 33, and the driving assembly 22 can drive the group of supporting block assemblies 31 to move relatively;

The supporting block assembly 31 comprises a connecting rod 311, and one end of the connecting rod 311 is fixedly connected with a supporting block body 312;

The limiting assembly 32 comprises a limiting rod 321 which is connected to the supporting block body 312 in a sliding manner, a limiting ring 322 is fixedly connected to the outer part of the limiting rod 321, one end of the limiting rod 321 extends to the outer part of the supporting block body 312 and is fixedly connected with a pull handle 323, and a spring 324 is sleeved on the outer part of the limiting rod 321;

The clamping assembly 33 comprises a clamp 331, one end of the clamp 331 is fixedly connected with a rotating shaft 332, the other end of the rotating shaft 332 penetrates through the supporting block body 312 and is fixedly connected with a hand wheel 333, the rotating shaft 332 is rotatably connected to the supporting block body 312, a plurality of limiting holes 334 are formed in the outer portion of the rotating shaft 332, and the springs 324 can drive the limiting rods 321 to be embedded into the limiting holes 334.

The driving assembly 22 is controlled to enable the two supporting block assemblies 31 to move in opposite directions, the two supporting block bodies 312 respectively push the clamps 331 mounted on the rotating shaft 332, the two clamps 331 tightly clamp the parts from the left side and the right side of the parts to achieve preliminary fixing, the pull handle 323 is lifted upwards and rotated, the pull handle 323 is clamped into the clamping block 313 on the supporting block bodies 312, at the moment, the spring 324 is in a compressed state, the pull handle 323 drives the limiting rod 321 to be separated from the limiting hole 334, so that the rotation limitation on the rotating shaft 332 is eliminated, the hand wheel 333 is rotated, the hand wheel 333 drives the clamps 331 and the clamped parts to rotate to a required angle through the rotating shaft 332, after the parts reach a proper position, the pull handle 323 is lifted and rotated again, the pull handle 323 is released from the clamping block 313, and then the pull handle 323 is released. At this time, the spring 324 resumes its deformation, pushing the stop rod 321 to be re-inserted into the stop hole 334, so as to reposition the rotating shaft 332, thereby ensuring that the part is kept at the required machining angle, and facilitating the subsequent machining operation.

Specifically, the top of the supporting block body 312 is fixedly connected with a clamping block 313, and the pull handle 323 can be clamped and embedded on the clamping block 313.

Specifically, the clamp 331 is further connected with a threaded rod 335 in a threaded manner, one end of the threaded rod 335 is fixedly connected with a handle 336, and the other end of the threaded rod 335 is rotatably connected with a clamping block 337 through a bearing.

Specifically, the mounting frame assembly 21 includes a mounting frame body 211, a set of limiting sliding grooves 212 are formed in the mounting frame body 211, and a set of connecting rods 311 are correspondingly slidably connected to the set of limiting sliding grooves 212.

Specifically, the driving assembly 22 includes a second motor 221 fixedly connected to the mounting frame body 211, an output end of the second motor 221 extends to an inside of the limiting chute 212 and is fixedly connected with one end of the bidirectional ball screw 222, the other end of the bidirectional ball screw 222 is rotatably connected to the mounting frame body 211 through a bearing, and a set of connecting rods 311 are in threaded connection with the outside of the bidirectional ball screw 222.

From the above, the part is clamped between the two clamps 331, the second motor 221 is started, the second motor 221 drives the bidirectional ball screw 222 to rotate, the bidirectional ball screw 222 rotates to enable the two connecting rods 311 to drive the respective supporting block bodies 312 to move in opposite directions, the two supporting block bodies 312 respectively push the clamps 331 mounted on the rotating shaft 332, and the two clamps 331 tightly clamp the part from the left side and the right side of the part, so as to realize preliminary fixation. Through the rotation of the handle 336, the threaded rod 335 can be driven to rotate on the clamp 331, and the threaded rod 335 rotates to enable the clamping block 337 to move downwards until the clamping block 337 is tightly attached to the part above, so that additional fixing force is provided for the part, and stability in the machining process is further enhanced. When it is necessary to process the other surfaces of the parts, the pull handle 323 is first lifted up and rotated so that the pull handle 323 is engaged with the engagement block 313 on the support block body 312. At this time, the lifting action of the pull handle 323 drives the stop lever 321 to disengage from the stop hole 334, thereby releasing the rotation restriction of the rotating shaft 332. Subsequently, the hand wheel 333 is rotated, and the hand wheel 333 drives the clamp 331 and the clamped part to rotate to a desired angle through the rotation shaft 332. When the part reaches the proper position, the pull handle 323 is lifted and rotated again to release it from the latch 313, and then the pull handle 323 is released. At this time, the spring 324 resumes its deformation, pushing the stop rod 321 to be re-inserted into the stop hole 334, so as to reposition the rotating shaft 332, thereby ensuring that the part is kept at the required machining angle, and facilitating the subsequent machining operation.

The second embodiment is basically the same as the previous embodiment, except that the supporting component 11 comprises a base 111, a supporting frame 112 is fixedly connected to the top of the base 111, a group of guide rods 113 are fixedly connected between the supporting frame 112 and the base 111, a sliding plate 114 is slidingly connected to the outer part of the group of guide rods 113, and a mounting frame body 211 is fixedly connected to the sliding plate 114;

The lifting assembly 12 comprises a first motor 121 fixedly connected to the top of the support frame 112, one end of a ball screw 122 is fixedly connected to the output end of the first motor 121, the other end of the ball screw 122 is fixedly connected to the top of the base 111 through a bearing, and the sliding plate 114 is in threaded connection with the outside of the ball screw 122.

From the above, the first motor 121 is started, the first motor 121 drives the ball screw 122 to rotate, the ball screw 122 rotates to enable the sliding plate 114 to stably ascend or descend under the guiding of the guiding rod 113, the sliding plate 114 drives the mounting frame assembly 21 to move, the mounting frame assembly 21 drives the supporting block assembly 31 to move, and the supporting block assembly 31 drives the part on the clamping assembly 33 to move, so that the part can be adjusted to a proper height, and the convenience and efficiency of processing are improved.

The application process comprises the following steps:

the preparation stage:

The part to be machined is placed between two clamps 331.

Ensuring that all components such as stop bar 321, spring 324, threaded rod 335, etc., are in the initial position.

And (3) primary clamping:

And a second motor 221 is started to drive the bidirectional ball screw 222 to rotate.

The rotation of the bidirectional ball screw 222 drives the two connecting rods 311 and the supporting block body 312 to move in opposite directions.

The supporting block body 312 pushes the clamp 331 to clamp the part tightly from the left and right sides of the part, so that preliminary fixing is realized.

And (3) vertical fixation:

The handle 336 is rotated to drive the threaded rod 335 to rotate on the clamp 331.

Rotation of the threaded rod 335 moves the clamping block 337 downward until it is immediately above the part, providing additional holding force.

Height adjustment:

if the machining height of the part needs to be adjusted, the first motor 121 is started.

The first motor 121 drives the ball screw 122 to rotate, so that the sliding plate 114 stably ascends or descends under the guide of the guide rod 113.

The movement of the slide 114 moves the parts of the entire mounting frame assembly 21, support block assembly 31 and clamping assembly 33 to the appropriate height.

And (3) angle adjustment:

when the other surfaces of the part are to be machined, the pull handle 323 is lifted upward and rotated so as to be clamped into the clamping block 313 on the supporting block body 312.

At this time, the stopper 321 is disengaged from the stopper hole 334, and the rotation restriction of the rotation shaft 332 is released.

The hand wheel 333 is rotated, and the clamp 331 and the clamped part are driven to rotate to a required angle through the rotating shaft 332.

The pull handle 323 is lifted and rotated again, the clamping state is released, the pull handle 323 is released, the spring 324 is restored to deform, the limiting rod 321 is pushed to be re-embedded into the limiting hole 334, and the repositioning of the rotating shaft 332 is achieved.

Processing operation:

After the parts are stably clamped and adjusted to the proper height and angle, the subsequent machining operation can be performed.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machines, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described. What is not described in detail in this specification is all that is known to those skilled in the art.

In the description of the present utility model, 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 or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily for the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

In the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures may refer to the general design, so that the same embodiment and different embodiments of the present disclosure may be combined with each other without conflict.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. An adjustable clamping device for machining, comprising:

The lifting mechanism (1) comprises a supporting component (11), and a lifting component (12) arranged on the supporting component (11);

A driving mechanism (2) comprising a mounting frame assembly (21) mounted on the support assembly (11), and a driving assembly (22) mounted on the mounting frame assembly (21);

The clamping mechanism (3) comprises a group of supporting block assemblies (31) which are clamped and embedded on the mounting frame assemblies (21) in a sliding manner, a limiting assembly (32) which is clamped and embedded on the supporting block assemblies (31) in a limiting sliding manner, a clamping assembly (33) which is clamped and embedded on the group of supporting block assemblies (31) in a rotating manner, the limiting assembly (32) can limit the clamping assembly (33), and the driving assembly (22) can drive the group of supporting block assemblies (31) to move relatively;

The supporting block assembly (31) comprises a connecting rod (311), and one end of the connecting rod (311) is fixedly connected with a supporting block body (312);

The limiting assembly (32) comprises a limiting rod (321) which is connected to the supporting block body (312) in a sliding mode, a limiting ring (322) is fixedly connected to the outer portion of the limiting rod (321), one end of the limiting rod (321) extends to the outer portion of the supporting block body (312) and is fixedly connected with a pull handle (323), and a spring (324) is sleeved on the outer portion of the limiting rod (321);

The clamping assembly (33) comprises a clamp (331), one end fixedly connected with pivot (332) of clamp (331), the other end of pivot (332) runs through supporting shoe body (312) and fixedly connected with hand wheel (333), pivot (332) rotate and connect on supporting shoe body (312), a plurality of spacing hole (334) have been seted up to the outside of pivot (332), but spring (324) drive gag lever post (321) embedding spacing hole (334).

2. An adjustable clamping device for machining according to claim 1, wherein the top of the supporting block body (312) is fixedly connected with a clamping block (313), and the pull handle (323) can be clamped and embedded on the clamping block (313).

3. An adjustable clamping device for machining according to claim 2, characterized in that the clamp (331) is further screwed with a threaded rod (335), one end of the threaded rod (335) is fixedly connected with a handle (336), and the other end of the threaded rod (335) is rotatably connected with a clamping block (337) through a bearing.

4. An adjustable clamping device for machining according to claim 3, wherein the mounting frame assembly (21) comprises a mounting frame body (211), a group of limiting sliding grooves (212) are formed in the mounting frame body (211), and a group of connecting rods (311) are correspondingly and slidably connected to the group of limiting sliding grooves (212).

5. An adjustable clamping device for machining according to claim 4, wherein the driving assembly (22) comprises a motor two (221) fixedly connected to the mounting frame body (211), the output end of the motor two (221) extends to the inside of the limit chute (212) and is fixedly connected with one end of a bidirectional ball screw (222), the other end of the bidirectional ball screw (222) is rotatably connected to the mounting frame body (211) through a bearing, and a group of connecting rods (311) are in threaded connection with the outside of the bidirectional ball screw (222).

6. An adjustable clamping device for machining according to claim 4, wherein the supporting component (11) comprises a base (111), a supporting frame (112) is fixedly connected to the top of the base (111), a group of guide rods (113) are fixedly connected between the supporting frame (112) and the base (111), a sliding plate (114) is jointly and slidably connected to the outer parts of the group of guide rods (113), and the mounting frame body (211) is fixedly connected to the sliding plate (114);

The lifting assembly (12) comprises a first motor (121) fixedly connected to the top of the supporting frame (112), one end of a ball screw (122) is fixedly connected to the output end of the first motor (121), the other end of the ball screw (122) is fixedly connected to the top of the base (111) through a bearing, and the sliding plate (114) is in threaded connection with the outside of the ball screw (122).