CN211680025U

CN211680025U - Front and back face machining clamp

Info

Publication number: CN211680025U
Application number: CN201922352478.1U
Authority: CN
Inventors: 陆逵
Original assignee: Ningbo Boda Machinery Co ltd
Current assignee: Ningbo Boda Machinery Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-10-16
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a positive back adds clamping apparatus aims at solving present anchor clamps and can not the centre gripping two parts, causes the not enough of inefficiency. The utility model discloses an including bottom plate and grip block, grip block fixed connection is on the bottom plate, and the grip block is connected on the bottom plate, and the grip block two sides is equipped with first location group and second location group respectively, first part of first location group location, second location group location second part. Compared with a clamp which only can clamp a single part, the front and back clamping of the workpiece can save the time for loading and unloading the workpiece and improve the utilization rate of the lathe. When the machining is carried out, by designing the tool paths, two surfaces of the workpiece needing the same tool to be machined can be machined at the same time, and then the tool is changed, so that the tool changing time when two workpieces are machined respectively is saved.

Description

Front and back face machining clamp

Technical Field

The utility model relates to a adds clamping apparatus, more specifically says that it relates to a positive back adds clamping apparatus.

Background

The product usually comprises several parts to be machined, many of which are machined by the same lathe, and for the factory responsible for the production, the machining time includes the time for loading the part on the jig of the lathe and the time for lathing the part. Some products require less quantity, are not suitable for batch production, and can only process parts of one product in turn. In a general process, one part is first loaded on a lathe, and after machining, the next part is unloaded and loaded, and machining is performed again. In this way, the machine tool is actually in a standby state during unloading and loading, and can only be in a standby state. This is certainly a waste. In addition, in the state of loading single parts, after a cutter of the multi-axis automatic machine tool is machined, the cutter needs to be changed for continuous machining, and time is wasted.

Chinese patent publication No. CN209737103U, the name is a single cylinder driven two-sided anchor clamps positioner, and this application discloses a single cylinder driven two-sided anchor clamps positioner, including work platform, direction slide rail, limit stop, first anchor clamps slip table, second anchor clamps platform, two-sided anchor clamps, single cylinder drive support and drive actuating cylinder, the work platform is improved level and is provided with direction slide rail and limit stop, limit stop is three sets up respectively the centre and the both ends position of direction slide rail are matched with first anchor clamps slip table and second anchor clamps platform respectively on the direction slide rail between adjacent limit stop, and two-sided anchor clamps are installed respectively on first anchor clamps slip table and second anchor clamps slip table, all be provided with single cylinder drive support on first anchor clamps slip table, the second anchor clamps slip table. The device has the defect that two parts cannot be loaded for processing, is not beneficial to reasonably arranging a machine tool, and has low production efficiency.

Disclosure of Invention

The utility model overcomes two parts of present anchor clamps can not the centre gripping, cause the not enough of inefficiency, provide a positive back adds clamping apparatus, it can load two parts simultaneously, cooperation multiaxis lathe processing has improved efficiency.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a positive back adds clamping apparatus, anchor clamps include bottom plate and grip block, grip block fixed connection is on the bottom plate, and the grip block is connected on the bottom plate, and the grip block two sides is equipped with first location group and second location group respectively, and first part is fixed a position to first location group, and second location group fixes a position the second part.

The clamping plate and the bottom plate are plate bodies, the two plate bodies are arranged vertically, and one side edge of the clamping plate is fixedly connected to the end face of the bottom plate in a laminating mode. Two sides of the clamping plate are respectively provided with positioning assemblies with different layouts, and the two positioning assemblies are respectively used for positioning a first part and a second part with different shapes. The specific positioning is realized by the following steps: have a plurality of top setting elements and below locating piece on the grip block, the location end of top setting element coincides in the orthographic projection direction of grip block with the location end of below locating piece, and the top setting element is the locating lever, and the locating lever tip rotates to be connected in flexible end, and the locating lever middle part rotates and is connected with two connection pieces, and the connection piece other end rotates to be connected on being close to the fixed block of flexible end. The end part of the positioning rod is a positioning end, and the telescopic end is driven by an oil cylinder or a motor. When the telescopic end extends out, one end of the positioning rod is tilted, and the other end of the positioning rod presses down the processing workpiece to realize positioning. Such a positioning element is arranged around the workpiece. Besides the upper positioning piece and the lower positioning piece, the first positioning group is also provided with a positioning hole, a corresponding rod body is connected between a corresponding opening on the workpiece and the positioning hole, and the positioning hole is internally provided with a thread which is in threaded connection with the rod body. The first positioning group is also provided with a side positioning piece, the side positioning piece is a positioning block and a supporting rod in threaded connection with the positioning block, and the supporting rod is abutted against a workpiece. The second positioning group is provided with a rib clamp besides an upper positioning piece and a lower positioning piece which surround the tool, and a positioning end of the rib clamp is abutted on the workpiece.

Two workpieces are clamped simultaneously on two end faces of the clamp and are used for being matched with a multi-shaft automatic lathe for machining. Compared with a clamp only loading one part, the clamp can be used for simultaneously installing two parts, and compared with the clamp loading a single part, the quantity of the clamps required by machining can be reduced, so that the waiting time of a lathe when the single part is loaded is saved. When in processing, through designing the tool path, the tool can be changed after two workpieces are processed by one tool, and compared with the existing fixture for loading a single part, the tool changing time is saved. The efficiency of multi-axis lathe is fully exerted, the production efficiency is improved, and the production takt is accelerated.

Preferably, one end of the clamping plate, which is far away from the bottom plate, is connected with a rotating block, and the clamp rotates through the rotating block. The rotating block is fixedly connected to a driving device of the lathe to realize rotation, so that the lathe tool can process two-sided workpieces.

Preferably, the rotating block is disposed on a central axis of the clamping plate. The rotating block arranged on the central axis enables the whole clamp to have smaller rotational inertia when rotating, reduces the load of a corresponding driving device, can set a faster rotating speed, and improves the processing speed.

Preferably, the second positioning group is provided with a plurality of positioning strips attached to the outer edge of the second part. This location strip cooperation top setting element and below setting element and other flexible setting element realize the location of work piece, and this flexible setting element is the product that has the purchase, and the location strip position can bear great power of producing man-hour, and this location strip can offset the power of this direction.

Preferably, hanging rings for hoisting the lifting appliance are arranged on two sides of the rotating block. The suspension loop is used for lifting the workpiece, and the suspension loop enables the clamp to be convenient to transport.

Preferably, the bottom plate is provided with a plurality of fixing holes distributed on two sides of the clamping plate. The fixed plate on the lathe is positioned by the fixed hole, so that the positioning of the clamp and the lathe is realized.

Preferably, the thickness of the two ends of the bottom plate is smaller than that of the middle part of the bottom plate. Because the clamp plate and the bottom plate are vertically arranged, the bending moment applied to the bottom plate is large, and the thickness of the middle part of the bottom plate is larger than that of the two sides.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) compared with a clamp which only can clamp a single part, the clamp which clamps the workpiece on the front side and the back side can save the time for loading and unloading the workpiece and improve the utilization rate of a lathe;

(2) when the machining is carried out, by designing the tool paths, two surfaces of the workpiece needing the same tool to be machined can be machined at the same time, and then the tool is changed, so that the tool changing time when two workpieces are machined respectively is saved.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a rear view of the present invention;

in the figure: bottom plate 1, grip block 2, first location group 3, second location group 4, rotatory piece 5, location strip 6, link 7, fixed orifices 8.

Detailed Description

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example (b):

the utility model provides a positive back adds clamping apparatus, anchor clamps include bottom plate 1 and

grip block

2, and 2 fixed connection of grip block are on bottom plate 1, and grip block 2 is connected on

bottom plate

1, and 2 two sides of grip block are equipped with first location group 3 and second location group 4 respectively, and first part is fixed a position to first location group 3, and second location group 4 fixes a position the second part. One end of the clamping plate 2, which is far away from the bottom plate 1, is connected with a rotating block 5, and the clamp rotates through the rotating block 5. The rotating block 5 is fixedly connected to a driving device of the lathe to realize rotation, so that the lathe tool can process two-sided workpieces. The rotating block 5 is arranged on the central axis of the clamping plate 2. The rotating block 5 arranged on the central axis enables the whole clamp to have smaller rotational inertia when rotating, reduces the load of a corresponding driving device, can set a faster rotating speed, and improves the processing speed. The second positioning group 4 is provided with a plurality of positioning strips 6 which are attached to the outer edge of the second part. This location strip 6 cooperation top setting element and below setting element and other flexible setting element realize the location of work piece, and this flexible setting element is the product that has the purchase, and the 6 positions of location strip can bear great power of producing man-hour, and this location strip 6 can offset the power of this direction.

Hanging rings 7 for hoisting a lifting appliance are arranged on two sides of the rotating block 5. The hanging ring 7 is used for hoisting a workpiece, and the hanging ring 7 facilitates the transportation of the clamp. The bottom plate 1 is provided with a plurality of fixing holes 8 distributed on two sides of the clamping plate 2. The fixing hole 8 positions a fixing plate on a lathe to realize the positioning of the fixture and the lathe. The thickness of the two ends of the bottom plate 1 is smaller than that of the middle part. Because the clamp plate and the bottom plate 1 are vertically arranged, the bending moment applied to the bottom plate 1 is large, and therefore the thickness of the middle part of the bottom plate 1 is larger than that of the two sides.

Grip block 2 and bottom plate 1 are the plate body, and two plate bodies set up perpendicularly, and a side laminating fixed connection of grip block 2 is on the terminal surface of bottom plate 1. Two sides of the clamping plate 2 are respectively provided with positioning components with different layouts, and the two positioning components are respectively used for positioning a first part and a second part with different shapes. The specific positioning is realized by the following steps: have a plurality of top setting elements and below locating piece on the grip block 2, the location end of top setting element coincides in grip block 2's orthographic projection direction with the location end of below locating piece, and the top setting element is the locating lever, and the locating lever tip rotates and is connected with flexible end (hydro-cylinder), and the locating lever middle part rotates and is connected with two connection pieces, and the connection piece other end rotates to be connected on being close to the fixed block of flexible end. The end part of the positioning rod is a positioning end, and the telescopic end is driven by an oil cylinder. When the telescopic end extends out, one end of the positioning rod is tilted, and the other end of the positioning rod presses down the processing workpiece to realize positioning. Such a positioning element is arranged around the workpiece. In addition to the above-mentioned upper positioning member and lower positioning member, the first positioning group 3 further has a positioning hole, a corresponding rod body is connected between a corresponding opening on the workpiece and the positioning hole, and the positioning hole has a thread for connecting the rod body. The first positioning group 3 is also provided with a side positioning piece which is a positioning block and a supporting rod in threaded connection with the positioning block, and the supporting rod is abutted against a workpiece. The second positioning group 4 has rib clamps, whose positioning ends abut against the workpiece, in addition to the upper and lower positioning elements surrounding the tool.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to be limiting in any way, and other variations and modifications are possible without departing from the scope of the invention as set forth in the following claims.

Claims

1. The utility model provides a positive back adds clamping apparatus, characterized by, anchor clamps include bottom plate and grip block, grip block fixed connection on the bottom plate, and the grip block is connected on the bottom plate, and the grip block two sides is equipped with first location group and second location group respectively, and first part is fixed a position to first location group, and second location group fixes a position the second part.

2. The front and back processing fixture as claimed in claim 1, wherein a rotary block is connected to an end of the holding plate remote from the base plate, and the fixture is rotated by the rotary block.

3. The front and back surface processing jig according to claim 2, wherein the rotary block is disposed on a central axis of the holding plate.

4. The front and back processing fixture as claimed in claim 1, wherein the second positioning set is provided with a plurality of positioning strips engaging with the outer edge of the second component.

5. The front and back processing jig as claimed in claim 1, wherein the rotary block is provided at both sides thereof with hanging rings for hanging up a hanger.

6. The front and back processing jig of claim 5, wherein the bottom plate is provided with a plurality of fixing holes distributed on both sides of the holding plate.

7. A front-back processing jig according to any one of claims 1 to 3, wherein the thickness of the bottom plate at both ends is smaller than that of the middle portion.