CN208034155U - Stable workpiece clamping fixture - Google Patents

Abstract

The utility model discloses a stable workpiece clamping fixture, which comprises a workbench fixedly installed with a machine tool, a number of base plates installed and connected with the workbench, a number of clamping plates installed and connected with the base plate, and a tool for fixing workpieces to be processed. Clamping mechanism, a number of T-shaped bolts are respectively embedded in the T-shaped slots and pass through the installation through holes of the base plate on the upper surface of the workbench to install and connect the base plate with the workbench, and the clamping plate is uniformly provided with several threaded holes , the clamping mechanism further includes limit bolts, locking bolts and a pressure plate, the lower surface of the pressure plate is in contact with the upper surface of the workpiece, and a number of pads are evenly arranged under the workpiece, and the lower surface of the several pads is in contact with the upper surface of the workpiece. The splint is fixedly connected, and the upper surface of the spacer is in contact with the lower surface of the workpiece. The utility model provides a space between the workpiece and the clamping plate through the setting of the spacer, so that the workpiece can be drilled and processed without damaging the clamping plate.

Description

Stable workpiece clamping fixture

technical field

The utility model relates to a stable workpiece clamping fixture, which belongs to the technical field of precision milling tooling.

Background technique

With the continuous advancement of science and technology, the machining technology has also continued to improve, and the improvement of the processing efficiency of various mechanical workpieces has become an urgent demand for major machining enterprises. At present, the size of the working surface of the existing tooling is basically fixed, and a tooling is only suitable for processing molds that match the size of the working surface. Factories often need to be equipped with a large number of tooling for production and processing, which inevitably increases production costs. And maintenance costs, in addition, during the mold processing process, frequent tooling replacement is time-consuming and laborious, and it is easy to cause an increase in the processing error rate, resulting in a decrease in product quality and an increase in the scrap rate.

Contents of the invention

The purpose of the utility model is to provide a stable workpiece clamping fixture, the stable workpiece clamping fixture provides a space between the workpiece and the clamping plate through the setting of the cushion block, and is convenient for drilling and other processing of the workpiece. Will not damage the splint.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a stable workpiece clamping fixture, including a workbench fixedly installed with the machine tool, a number of base plates installed and connected with the workbench, and a number of base plates installed and connected with the base plate. The clamping plate and the clamping mechanism for fixing the workpiece to be processed;

A number of T-shaped slots are arranged in parallel on the upper surface of the workbench, and a number of installation through holes corresponding to the T-slots of the workbench are evenly arranged on the base plate, and a number of T-shaped bolts are embedded in the T-shaped slots and pass through the The installation through hole of the base plate on the upper surface of the workbench is used to install and connect the base plate with the workbench;

A number of threaded holes are evenly arranged on the clamping plate, and the clamping mechanism further includes a limit bolt, a locking bolt and a pressure plate, and a screw hole and a strip-shaped through hole are opened on the pressure plate, and the limit bolt is from above Screwed into the screw hole of the clamping plate and threaded with the threaded hole of the clamping plate, the locking bolt passes through the strip-shaped through hole of the clamping plate from above and is threaded with the threaded hole of the clamping plate, the number of the clamping mechanism is 4 two, arranged on both sides of the workpiece parallel to each other, the lower surface of the pressure plate is in contact with the upper surface of the workpiece;

A plurality of pads are uniformly arranged under the workpiece, the lower surfaces of the several pads are fixedly connected with the clamping plate, and the upper surface of the pads is contacted and connected with the lower surface of the workpiece.

The technical scheme further improved in the above-mentioned technical scheme is as follows:

Preferably, the number of the several pads is four, which are respectively arranged at the four corners of the workpiece.

Preferably, the shape of the several pads is a cylinder.

Preferably, the T-shaped portion of the T-shaped bolt is embedded in the T-shaped slot of the workbench and can slide in the T-shaped slot.

Preferably, the several T-shaped slots are arranged in parallel and at equal intervals.

Preferably, the clamping plate is located on the upper surface of the base plate and is fixedly connected with the base plate through several positioning pins and bolts.

Due to the application of the above-mentioned technical solutions, the utility model has the following advantages and effects compared with the prior art:

1. The stable workpiece clamping fixture of the utility model has several T-shaped slots parallel to the upper surface of the workbench, and several installation through holes corresponding to the T-shaped grooves of the workbench are uniformly arranged on the base plate, and several T-shaped slots are evenly arranged on the base plate. The T-shaped bolts are respectively embedded in the T-shaped slots and pass through the installation holes of the base plate on the upper surface of the workbench to install and connect the base plate with the workbench. The installation and the stability of the installation are good, and different numbers of base plates can be installed according to the needs. In addition, the T-shaped bolts can slide in the T-shaped slots, which is convenient for the base plate to be aligned in the horizontal direction during the installation of the base plate. The position and parallelism can be corrected, and the operation is simple and convenient.

2. The stable workpiece clamping fixture of the utility model has a screw hole and a strip-shaped through hole on the pressure plate. The limit bolt is screwed into the screw hole of the pressure plate from above and is threadedly connected with the threaded hole of the clamping plate. The above-mentioned locking bolt passes through the strip-shaped through hole of the clamping plate from above and is threadedly connected with the threaded hole of the clamping plate. Through the cooperation of the limiting bolt and the locking bolt, the clamping of the workpiece is realized, and the clamping plate can rotate around the limiting bolt. , it is convenient to pick and place the workpiece, and the clamping bolt can provide the force for the pressure plate to press the workpiece downward, which is convenient for disassembly and assembly and has good stability; in addition, it is convenient to process the side surface of the workpiece by pressing from the upper surface of the workpiece , which solves the problem of fixing the workpiece when the side of the workpiece needs to be processed; the setting of several threaded holes on the clamping plate can adjust the clamping mechanism to a suitable position at any time according to the size of the workpiece, so as to adapt to the clamping and positioning of workpieces of different sizes .

3. The stable workpiece clamping fixture of the utility model has a number of pads evenly arranged under the workpiece, the lower surfaces of the several pads are fixedly connected with the clamping plate, the upper surface of the pads is in contact with the lower surface of the workpiece, and the setting of the pads , first of all, it can provide stable support for larger workpieces, and ensure the stability of the workpiece during processing to ensure machining accuracy. In addition, the setting of the spacer provides a space between the workpiece and the clamping plate, which is convenient for drilling the workpiece. Hole processing without damaging the splint.

Description of drawings

Accompanying drawing 1 is the local structure schematic diagram of the stable workpiece clamping fixture of the utility model;

Accompanying drawing 2 is the schematic diagram of partial structure decomposition of the stable workpiece clamping fixture of the utility model;

Accompanying drawing 3 is the structural diagram of the clamping mechanism in the stable workpiece clamping fixture of the present invention.

In the above drawings: 1. workbench; 2. foundation plate; 3. clamping plate; 4. workpiece; 5. clamping mechanism; 51. limit bolt; 52. locking bolt; 53. pressure plate; 54. screw hole ; 55, strip-shaped through hole; 6, T-shaped slot; 7, installation through hole; 8, T-shaped bolt; 9, threaded hole; 10, pad.

Detailed ways

Below in conjunction with embodiment the utility model is further described:

Embodiment 1: A stable workpiece clamping fixture, including a workbench 1 fixedly installed with the machine tool, a number of base plates 2 installed and connected with the workbench 1, a number of clamping plates 3 installed and connected with the base plate 2 and used for Fix the clamping mechanism 5 of the workpiece 4 to be processed;

The upper surface of the workbench 1 is provided with several T-shaped slots 6 in parallel, and the base plate 2 is evenly provided with a number of installation through holes 7 corresponding to the T-shaped grooves 6 of the workbench 1, and several T-shaped bolts 8 are embedded in T In the shaped groove 6 and through the installation through hole 7 of the base plate 2 on the upper surface of the workbench 1, the base plate 2 is installed and connected with the workbench 1;

A number of threaded holes 9 are evenly arranged on the clamping plate 3, and the clamping mechanism 5 further includes a limit bolt 51, a locking bolt 52 and a pressure plate 53, and a screw hole 54 and a strip-shaped through hole are opened on the pressure plate 53. 55, the limit bolt 51 is screwed into the screw hole 54 of the pressure plate 53 from above and is threadedly connected with the threaded hole 9 of the clamping plate 3, and the locking bolt 52 passes through the strip-shaped through hole 55 of the pressure plate 53 from above and is connected with The threaded holes 9 of the clamping plate 3 are threadedly connected, and the number of the clamping mechanisms 5 is 4, which are arranged in pairs on both sides of the workpiece 4 parallel to each other, and the lower surface of the pressing plate 53 is in contact with the upper surface of the workpiece 4;

A plurality of pads 10 are evenly arranged below the workpiece 4 , the lower surfaces of the several pads 10 are fixedly connected with the clamping plate 3 , and the upper surfaces of the pads 10 are contacted and connected with the lower surface of the workpiece 4 .

The number of the above-mentioned spacers 10 is 4, which are respectively arranged at the four corners of the workpiece 4; the shape of the above-mentioned spacers 10 is a cylinder; And can slide in the T-shaped groove 6.

Embodiment 2: A stable workpiece clamping fixture, including a workbench 1 fixedly installed with the machine tool, a number of base plates 2 installed and connected with the workbench 1, a number of clamping plates 3 installed and connected with the base plate 2 and used for Fix the clamping mechanism 5 of the workpiece 4 to be processed;

The upper surface of the workbench 1 is provided with several T-shaped slots 6 in parallel, and the base plate 2 is evenly provided with a number of installation through holes 7 corresponding to the T-shaped grooves 6 of the workbench 1, and several T-shaped bolts 8 are embedded in T In the shaped groove 6 and through the installation through hole 7 of the base plate 2 on the upper surface of the workbench 1, the base plate 2 is installed and connected with the workbench 1;

A number of threaded holes 9 are evenly arranged on the clamping plate 3, and the clamping mechanism 5 further includes a limit bolt 51, a locking bolt 52 and a pressure plate 53, and a screw hole 54 and a strip-shaped through hole are opened on the pressure plate 53. 55, the limit bolt 51 is screwed into the screw hole 54 of the pressure plate 53 from above and is threadedly connected with the threaded hole 9 of the clamping plate 3, and the locking bolt 52 passes through the strip-shaped through hole 55 of the pressure plate 53 from above and is connected with The threaded holes 9 of the clamping plate 3 are threadedly connected, and the number of the clamping mechanisms 5 is 4, which are arranged in pairs on both sides of the workpiece 4 parallel to each other, and the lower surface of the pressing plate 53 is in contact with the upper surface of the workpiece 4;

A plurality of pads 10 are evenly arranged below the workpiece 4 , the lower surfaces of the several pads 10 are fixedly connected with the clamping plate 3 , and the upper surfaces of the pads 10 are contacted and connected with the lower surface of the workpiece 4 .

The above-mentioned several T-shaped slots 6 are arranged in parallel and at equal intervals; the above-mentioned clamping plate 3 is located on the upper surface of the base plate 2 and is fixedly connected with the base plate 2 through several positioning pins and bolts.

When the above-mentioned stable workpiece clamping fixture is used, the setting of T-shaped slots and T-shaped bolts on the workbench facilitates the installation of the base plate and the installation stability is good. Different numbers of base plates can also be installed according to needs. In addition, , the T-shaped bolts can slide in the T-shaped slot, which is convenient to correct the position and parallelism of the foundation plate in the horizontal direction during the installation of the foundation plate, and the operation is simple and convenient; secondly, through the limit bolt and the locking The matching setting of the bolts realizes the clamping of the workpiece. The pressure plate can rotate around the limit bolt, which is convenient for taking and placing the workpiece. The clamping bolt can provide the force for the pressure plate to press the workpiece downward, which is convenient for disassembly and assembly and has good stability. ;In addition, pressing and holding from the upper surface of the workpiece is convenient for processing the side surface of the workpiece, which solves the problem of fixing the workpiece when the side of the workpiece needs to be processed; the setting of several threaded holes on the clamping plate can be adjusted at any time according to the size of the workpiece Adjust the clamping mechanism to a suitable position to adapt to the clamping and positioning of workpieces of different sizes; again, the setting of the spacer can provide stable support for larger workpieces first, and ensure the stability of the workpiece during processing to ensure In addition, the setting of the pad provides a space between the workpiece and the clamping plate, which is convenient for drilling and other processing of the workpiece without damaging the clamping plate.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (6)

1. a kind of stable type clamping workpiece jig, it is characterised in that：It include the workbench being fixedly mounted with lathe（1）And work Platform（1）Several base plates of connection are installed（2）With base plate（2）Several clamping plates of connection are installed（3）With it is to be added for fixing Work workpiece（4）Clamping device（5）；

The workbench（1）Upper surface is arranged in parallel with several T-slots（6）, the base plate（2）On be evenly arranged with it is several with Workbench（1）T-slot（6）Corresponding installation through-hole（7）, several tommyhead bolts（8）It is respectively embedded into T-slot（6）It is interior and pass through position In workbench（1）The base plate of upper surface（2）Installation through-hole（7）, by base plate（2）With workbench（1）Installation connection；

The clamping plate（3）On be evenly arranged with several threaded holes（9）, the clamping device（5）Further comprise caging bolt （51）, clamping screw（52）And pressing plate（53）, the pressing plate（53）On be provided with a screw hole（54）With a strip through-hole（55）, described Caging bolt（51）Pressing plate is screwed in from top（53）Screw hole（54）And with clamping plate（3）Threaded hole（9）It is threadedly coupled, it is described Clamping screw（52）Pressing plate is passed through from top（53）Strip through-hole（55）And with clamping plate（3）Threaded hole（9）It is threadedly coupled, The clamping device（5）Number be 4, be set to workpiece two-by-two（4）The both sides being mutually parallel, the pressing plate（53）Following table Face and workpiece（4）Upper surface connects；

The workpiece（4）It is uniformly arranged below with several cushion blocks（10）, this several cushion block（10）Lower surface and clamping plate（3）It is fixed Connection, cushion block（10）Upper surface and workpiece（4）Lower surface connects.

2. stable type clamping workpiece jig according to claim 1, it is characterised in that：Several cushion blocks（10）Number It is 4, is respectively arranged at workpiece（4）Four corners.

3. stable type clamping workpiece jig according to claim 1, it is characterised in that：Several cushion blocks（10）Shape For cylinder.

4. stable type clamping workpiece jig according to claim 1, it is characterised in that：The tommyhead bolt（8）T shapes portion Embedded workbench（1）T-slot（6）And it can be in T-slot（6）Interior sliding.

5. stable type clamping workpiece jig according to claim 1, it is characterised in that：Several T-slots（6）It is parallel and It is arranged at equal intervals.

6. stable type clamping workpiece jig according to claim 1, it is characterised in that：The clamping plate（3）Positioned at basis Plate（2）Upper surface simultaneously passes through several positioning pins and bolt and base plate（2）It is fixedly connected.