CN219379902U

CN219379902U - Novel tool clamp for concave-shaped workpiece

Info

Publication number: CN219379902U
Application number: CN202320651496.3U
Authority: CN
Inventors: 主德成
Original assignee: Shenzhen Zhongda Lianzhi Technology Development Co ltd
Current assignee: Shenzhen Zhongda Lianzhi Technology Development Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-21
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a novel fixture for a concave workpiece, which comprises a bottom plate, a positioning base, a clamping mechanism, a positioning block and an air cylinder, wherein the clamping mechanism consists of a V-shaped rotating block, an air inlet pipe, a telescopic air pipe, a movable rod and an I-shaped clamping block, a first rotating pin and a second rotating pin are arranged at two ends of the V-shaped rotating block, the air cylinder is connected with the air inlet pipe, when an operator clamps the concave workpiece, the air cylinder is started to suck air, when pneumatic pressure is high enough, the telescopic air pipe connected with the air inlet pipe moves backwards to push the V-shaped rotating block to rotate backwards, the movable rod rotates along with the V-shaped rotating block and then drives the I-shaped clamping block to move downwards to be attached to the upper surface of the concave workpiece, the I-shaped clamping block is clamped to perform rough machining, and the I-shaped clamping block can clamp two concave workpieces with identical sizes simultaneously, so that the machining efficiency is improved.

Description

Novel tool clamp for concave-shaped workpiece

Technical Field

The utility model relates to the technical field of fixtures, in particular to a novel fixture for a concave-shaped workpiece.

Background

The jig is generally referred to as: in the machining industry, when machining parts, auxiliary tools for positioning, limiting and fastening the parts, such as a jaw vice, a three-jaw chuck, a precision jaw vice for a grinding machine, a T-shaped block, a screw rod, a stacking (iron) component and the like, are arranged on the most common machine tool clamp, and the quality of clamp design has direct influence on production efficiency, machining cost, product quality, production safety and the like.

The existing clamp for the concave-shaped workpieces is complex in structure, if blind holes are drilled in some surfaces of the concave-shaped workpieces or rough machining is performed, the operation is inconvenient, the concave-shaped workpieces are clamped through bolts at a plurality of angles, the bolts are screwed for a plurality of times, the labor and the trouble are wasted, the clamp can only clamp and process a single piece, the processing efficiency of the concave-shaped workpieces is reduced, and the clamp is inconvenient to take out after the concave-shaped workpieces are processed, so that the novel tool clamp for the concave-shaped workpieces is disclosed to meet requirements.

Disclosure of Invention

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main objective is to provide a novel fixture for concave workpieces, which can solve the problems that the existing fixture for concave workpieces has a complex structure, if blind holes are drilled or rough machining is performed on some surfaces of the concave workpieces, the operation is inconvenient, the concave workpieces are usually clamped by bolts at multiple angles, the bolts are screwed for multiple times, the labor is wasted, and only a single clamping process is possible, the processing efficiency of the concave workpieces is reduced, and the concave workpieces are inconvenient to take out from the fixture after the processing is completed.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a novel frock clamp for concave font work piece, is including bottom plate, positioning base, clamping mechanism, locating piece, cylinder, the positioning base sets up on the bottom plate, clamping mechanism comprises V-arrangement dwang, air inlet pipe, flexible trachea, movable rod and I-shaped clamping block, V-arrangement dwang sets up the one end in the positioning base, the both ends of V-arrangement dwang are provided with first rotation round pin and second rotation round pin, flexible trachea one end and first rotation round pin connection, the other end and intake-tube connection, movable rod one end is connected with I-shaped clamping block, the other end and second rotation round pin connection, the locating piece sets up on positioning base's up end, the cylinder links to each other with the intake-tube.

As a preferred solution, the clamping surface of the i-shaped clamping block is provided with rubber.

As a preferred solution, the telescopic air pipe can adjust its moving stroke according to pneumatic pressure, i.e. telescopic.

As a preferable scheme, one end of the telescopic air pipe is connected with the first rotating pin, and one end of the movable rod is connected with the second rotating pin in a cross rotating mode.

As a preferable scheme, the middle part of the movable rod is provided with a sleeve with a groove.

As a preferable scheme, four mounting holes are symmetrically distributed on the bottom plate.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, the technical scheme is that the base plate, the positioning base, the clamping mechanism, the positioning block and the air cylinder are arranged on the tool clamp, the clamping mechanism consists of the V-shaped rotating block, the air inlet pipe, the telescopic air pipe, the movable rod and the I-shaped clamping block, when an operator clamps the concave workpiece, the air cylinder is started to suck air in the air inlet pipe, when pneumatic pressure is high enough, the telescopic air pipe drives the V-shaped rotating block to rotate backwards, the movable rod drives the I-shaped clamping block to move downwards to be attached to the upper surface of the concave workpiece along with the rotation of the V-shaped rotating block, the clamping is completed to clamp the concave workpiece with two consistent sizes, the processing efficiency is improved, the air cylinder can be closed after the processing is completed, the telescopic air pipe does not move forwards to reset, the V-shaped rotating block also rotates forwards to reset, the movable rod moves upwards at the moment, the I-shaped clamping block is separated from the concave workpiece, and then the concave workpiece can be taken out.

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model.

FIG. 2 is a schematic view of another view structure according to an embodiment of the present utility model.

FIG. 3 is a schematic view of a portion of the structure of an embodiment of the present utility model.

FIG. 4 is a schematic view of a portion of the structure of an embodiment of the present utility model.

Reference numerals illustrate:

1. a bottom plate; 11. a mounting hole; 2. positioning a base; 3. a clamping mechanism; 31. a V-shaped rotating block; 311. a first rotation pin; 312. a second rotation pin; 32. an air inlet pipe; 33. a telescopic air pipe; 34. a movable rod; 341. a sleeve; 35. i-shaped clamping blocks; 351. rubber; 4. and (5) positioning blocks.

Detailed Description

For the purpose of making the technical solution and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the accompanying drawings and examples of implementation. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Referring to fig. 1 to 4, the embodiment of the utility model provides a novel fixture for a concave workpiece, which comprises a bottom plate 1, a positioning base 2, a clamping mechanism 3, a positioning block 4 and an air cylinder, wherein the positioning base 2 is arranged on the bottom plate 1, the clamping mechanism 3 comprises a V-shaped rotating block 31, an air inlet pipe 32, a telescopic air pipe 33, a movable rod 34 and an i-shaped clamping block 35, the V-shaped rotating block 31 is arranged at one end in the positioning base 2, a first rotating pin 311 and a second rotating pin 312 are arranged at two ends of the V-shaped rotating block 31, one end of the telescopic air pipe 33 is connected with the first rotating pin 311, the other end of the telescopic air pipe is connected with the air inlet pipe, one end of the movable rod 34 is connected with the i-shaped clamping block 35, the other end of the movable rod is connected with the second rotating pin 312, the positioning block 4 is arranged on the upper end surface of the positioning base 2, when an operator clamps the concave workpiece, the air cylinder (not shown) is started to suck air from the air inlet pipe, when the pneumatic pressure is high enough, the telescopic air pipe 33 connected with the air inlet pipe drives the V-shaped rotating block 31 to rotate backwards, the movable rod 34 rotates along with the V-shaped rotating block 31 and drives the I-shaped clamping block 35 to move downwards to be attached to the upper surface of the concave workpiece, the clamping is finished, the rough machining is further finished, the I-shaped clamping block 35 can clamp two concave workpieces with identical sizes at the same time, the machining efficiency is improved, the air cylinder is closed after the machining is finished, the telescopic air pipe 33 does not move forwards for resetting, the V-shaped rotating block 31 also rotates forwards for resetting, the movable rod 34 moves upwards, the I-shaped clamping block 35 is separated from the concave workpiece at the moment, then the concave workpiece can be taken out.

Further, the rubber 351 is disposed on the clamping surface of the i-shaped clamping block 35, so that when an operator clamps the concave workpiece, the rubber 351 disposed on the clamping surface of the i-shaped clamping block 35 can play a role in buffering, and the concave workpiece is prevented from being elastically deformed due to excessive pressure.

Further, the flexible air pipe 33 can adjust its moving stroke according to the pneumatic pressure, i.e. stretch and retract, so that the clamp can be flexibly applied to clamping processing of concave workpieces with different materials or different volumes, because the required clamping forces of the concave workpieces with different materials or different volumes are different, the required pneumatic clamping pressures are different, and then the flexible air pipe 33 needs to push the V-shaped rotating block to rotate in different strokes, i.e. telescopic lengths.

Further, the connection between one end of the telescopic air tube 33 and the first rotating pin 311 and the connection between one end of the movable rod 34 and the second rotating pin 312 are both in cross rotation connection, so that the telescopic air tube is convenient to detach, replace and maintain, and the connection mode is more stable.

Further, the middle part of the movable rod 34 is provided with a sleeve 341 with a groove, so that a certain movable range is provided for the telescopic air pipe 33 inside the sleeve 341 with the groove.

Further, four mounting holes 11 are symmetrically distributed on the bottom plate 1, so that the fixture is convenient to mount on some processing machine tool equipment for processing, and convenient to detach and maintain.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements, etc. within the principles of the present utility model should be included in the scope of the present utility model.

Claims

1. A novel frock clamp for concave font work piece, its characterized in that: including bottom plate, positioning base, clamping mechanism, locating piece, cylinder, positioning base installs on the bottom plate, clamping mechanism comprises V-arrangement dwang, air inlet pipe, flexible trachea, movable rod and I-shaped clamping block, V-arrangement dwang sets up the one end in positioning base, the both ends of V-arrangement dwang are provided with first rotation round pin and second rotation round pin respectively, flexible trachea one end and first rotation round pin connection, the other end and intake-tube connection, movable rod one end is connected with I-shaped clamping block, and the other end and second rotation round pin connection, the locating piece sets up on positioning base's up end, the cylinder links to each other with the intake-tube.

2. The novel tool clamp for the concave-shaped workpiece according to claim 1, wherein: rubber is arranged on the clamping surface of the I-shaped clamping block.

3. The novel tool clamp for the concave-shaped workpiece according to claim 1, wherein: the telescopic air pipe can adjust the movable stroke according to the pneumatic pressure, namely, can be telescopic.

4. The novel tool clamp for the concave-shaped workpiece according to claim 1, wherein: the connection of telescopic trachea one end and first rotation round pin and the connection of movable rod one end and second rotation round pin are cross rotation connection.

5. The novel tool clamp for the concave-shaped workpiece according to claim 1, wherein: the middle part of the movable rod is provided with a sleeve with a groove.

6. The novel tool clamp for the concave-shaped workpiece according to claim 1, wherein: four mounting holes are symmetrically distributed on the bottom plate.