CN212578080U

CN212578080U - T-shaped bracket machining tool

Info

Publication number: CN212578080U
Application number: CN202021401733.3U
Authority: CN
Inventors: 候松松; 牛锺子; 李硕
Original assignee: Hebei Tianshuo Machinery Co ltd
Current assignee: Hebei Tianshuo Machinery Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-02-23
Anticipated expiration: 2030-07-16

Abstract

The application relates to a T-shaped bracket machining tool which comprises a bottom plate, a first side plate and a second side plate, wherein the first side plate is arranged on the bottom plate, and the second side plate is parallel to the first side plate and arranged on the bottom plate; a first groove, a second groove and a third groove are sequentially formed in the side face of the first side plate along the vertical direction from bottom to top; a fourth groove and a fifth groove are sequentially formed in the side face of the second side plate along the vertical direction from bottom to top; and the first groove, the third groove and the fourth groove are all provided with clamping pieces for pressing workpieces. This application belongs to the technical field of centre gripping frock, has solved ordinary digit control machine tool and has carried out the more difficult problem of centre gripping location of work piece when adding the smart to T type bracket relatively, has to enable the digit control machine tool to carry out the more convenient advantage of centre gripping location to T type bracket.

Description

T-shaped bracket machining tool

Technical Field

The application relates to the technical field of clamping tools, in particular to a T-shaped bracket machining tool.

Background

At present, in the process of building high-speed rail or maglev train, various connecting pieces are used to support the running of the train, wherein T-shaped brackets are used, blank pieces are castings, and finish machining is needed to enable the surface roughness, the flatness and the like of the T-shaped brackets to meet the precision requirement.

Of course, when the T-shaped bracket is subjected to fine machining, a large-sized numerical control machine tool such as a five-axis linkage numerical control machine tool can be used for carrying out fine machining on the T-shaped bracket, the machining cost is too high, and the T-shaped bracket is difficult to popularize in small and medium-sized enterprises.

Referring to fig. 1, a structural diagram of a T-shaped bracket is shown, and for such a workpiece with multiple planes or even multiple curved surfaces, it is relatively difficult to clamp and position the workpiece when a common numerical control machine is used to finish machining the T-shaped bracket.

Disclosure of Invention

In order to carry out the centre gripping location to T type bracket on ordinary digit control machine tool, this application provides a T type bracket processing frock.

The application provides a T type bracket processing frock adopts following technical scheme:

a T-shaped bracket machining tool comprises a bottom plate, a first side plate and a second side plate, wherein the first side plate is arranged on the bottom plate, and the second side plate is parallel to the first side plate and arranged on the bottom plate; a first groove, a second groove and a third groove are sequentially formed in the side face of the first side plate along the vertical direction from bottom to top; a fourth groove and a fifth groove are sequentially formed in the side face of the second side plate along the vertical direction from bottom to top;

and the first groove, the third groove and the fourth groove are all provided with clamping pieces for pressing workpieces.

Through adopting above-mentioned technical scheme, the bottom plate can be fixed on the workstation of digit control machine tool with anchor clamps, then utilizes the holder to divide three position to compress tightly T type bracket on first curb plate and second curb plate, and the ability of second recess and third recess is used for spacing and providing the support to the vertical direction of T type bracket. The T-shaped bracket can be clamped on the tool stably, and finish machining is conveniently carried out on the T-shaped bracket by a cutter in the numerical control machine tool.

Preferably, the bottom plate is provided with a rib plate; and two side surfaces of the ribbed plate are respectively fixedly connected with the surfaces of the first side plate and the second side plate.

Through adopting above-mentioned technical scheme, the setting up of floor can play the effect that the side supported, increases the intensity and the rigidity of whole frock.

Preferably, a plurality of limiting rods used for supporting the bottom of the workpiece are arranged on the rib plate.

Through adopting above-mentioned technical scheme, the setting of gag lever post can provide the support for the bottom of work piece, makes the centre gripping location of work piece more stable.

Preferably, the height of the second side plate is half of the height of the first side plate.

Through adopting above-mentioned technical scheme, the height of second curb plate is half of first curb plate height, can reduce the materials, saves the cost of manufacture of frock.

Preferably, the length of the second groove is longer than the length of the first groove and the third groove.

Through adopting above-mentioned technical scheme, the length of second recess is longer for the shape of frock more adaptation T type bracket, when the centre gripping that makes T type bracket was on the frock, more does benefit to the feed of cutter.

Preferably, the clamping piece comprises a fastening bolt and a pressing block; the fastening bolt is in threaded connection with the first side plate and the second side plate, and the pressing block is sleeved on the fastening bolt.

Through adopting above-mentioned technical scheme, fastening bolt and first curb plate and second curb plate threaded connection to when screwing up fastening bolt, the surface butt of briquetting and T type bracket, and then compress tightly T type bracket on the frock.

Preferably, the surface of the pressing block is provided with an elastic gasket.

Through adopting above-mentioned technical scheme, the briquetting has set up the elastic gasket on the surface for when briquetting and T type bracket butt, can avoid the briquetting with the surperficial fish tail of T type bracket.

Preferably, a hexagonal groove is formed in a bolt head of the fastening bolt.

Through adopting above-mentioned technical scheme, the overhead hexagonal recess that has set up of bolt, when the bolt head use time becomes, during the unchangeable centre gripping of instruments such as spanner, can also utilize interior hexagonal spanner to dismantle fastening bolt. The service life of the fastening bolt is prolonged.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the bottom plate can be fixed on the workstation of digit control machine tool with anchor clamps, then utilizes the holder to divide three position to compress tightly T type bracket on first curb plate and second curb plate, and the ability of second recess and third recess is used for spacing and providing the support to the vertical direction of T type bracket. Make the centre gripping that T type bracket can stabilize on this frock, be convenient for carry out the finish machining to T type bracket to the cutter in the digit control machine tool

2. The length of the second groove is longer, so that the tool is more suitable for the shape of the T-shaped bracket, and the tool is more beneficial to feeding of a tool when the T-shaped bracket is clamped on the tool;

3. the elastic gasket is arranged on the surface of the pressing block, so that when the pressing block is abutted to the T-shaped bracket, the pressing block can be prevented from scratching the surface of the T-shaped bracket.

Drawings

FIG. 1 is a schematic structural view of a finished T-shaped bracket.

Fig. 2 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 3 is a view showing a state where the T-shaped bracket is mounted on the tool.

Description of reference numerals: 11. a base plate; 100. a rectangular plate; 101. a plane; 102. a side surface; 111. a rib plate; 112. a limiting rod; 21. a first side plate; 200. a bracket; 201. a first plane; 202. a groove surface; 203. a side surface; 211. a first groove; 212. a second groove; 213. a third groove; 31. a second side plate; 311. a fourth groove; 312. a fifth groove; 41. a clamping member; 411. fastening a bolt; 412. briquetting; 413. an elastic pad; 414. a hexagonal groove.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1, a T-shaped bracket after finishing process is composed of a rectangular plate 100 and a bracket 200 perpendicularly connected to the rectangular plate. The parts to be machined are mainly the flat surface 101, the side surface 102, the first flat surface 201, the groove surface 202 and the second side surface 203 on the rectangular plate 100, the T-shaped bracket may be subjected to simple rough machining or only a blank before finish machining, a part of curved surfaces on the T-shaped bracket are required to be finished, and finish machining of a multi-curved-surface workpiece and clamping of a special-shaped part such as the T-shaped bracket are one difficulty in finish machining.

Referring to fig. 2 and 3, a T-shaped bracket processing tool is disclosed for the embodiment of the present application, and includes a bottom plate 11, a first side plate 21, a second side plate 31, and a clamping member 41.

The bottom plate 11 is a rectangular steel member, a rib plate 111 is arranged on the upper surface of the bottom plate, the bottom side surface of the rib plate 111 and the upper surface of the bottom plate 11 can be connected by welding, and a plurality of through holes are vertically formed in the surface of the bottom plate. The rib plate 111 is further provided with a limiting rod 112, the limiting rod 112 can be a pin, the limiting rod 112 is inserted into the through hole, and the side face of the limiting rod 112 is abutted to the side face 203 of the T-shaped bracket to play a supporting role.

Referring to fig. 2 and 3, the first side plate 21 is a trapezoidal steel member and may be vertically welded to the upper surface of the base plate 11, and one surface of the first side plate 21 may be connected to the side surface of the rib plate 111 by welding. The first side plate 21 is provided with a first groove 211, a second groove 212 and a third groove 213 from bottom to top on a side surface perpendicular to the bottom plate 11. The first groove 211 and the third groove 213 are used for installing the clamping member 41, and the length of the second groove 212 is longer than the length of the first groove 211 and the length of the third groove 213, so as to place a portion of the bracket 200 of the T-shaped bracket, which is close to the rectangular plate 100.

The second side plate 31 is a rectangular steel member, the height of which is half of the height of the first side plate 21, the second side plate 31 is vertically welded on the top surface of the bottom plate 11, and is parallel to and spaced from the first side plate 21, and one side surface of the rib plate 111 is vertically welded on the surface of the second side plate 31. A fourth groove 311 and a fifth groove 312 are sequentially formed in one side surface of the second side plate 31 in the vertical direction from bottom to top, and the fourth groove 311 is used for installing the clamping piece 41.

The clamping member 41 includes a fastening bolt 411 and a pressing block 412, a hexagonal groove 414 is formed on a bolt head of the fastening bolt 411, and when the bolt head is damaged, an internal hexagonal wrench can be inserted into the hexagonal groove 414 to tighten or loosen the fastening bolt 411. One end of the fastening bolt 411 passes through the pressing block 412 and then is in threaded connection with the first side plate 21 and the second side plate 31, the bolt head of the fastening bolt abuts against the pressing block 412, the surface of the pressing block 412 abuts against the T-shaped bracket, and when the fastening bolt 411 is screwed down, the T-shaped bracket is clamped and fixed on a tool. An elastic gasket 413 is arranged on the surface of the pressing block 412, which is in contact with the T-shaped bracket, so as to protect the T-shaped bracket from being scratched in the clamping process.

The implementation principle of the T-shaped bracket machining tool in the embodiment of the application is as follows:

when the tool is used for clamping the T-shaped bracket, firstly, the bottom plate 11 is fixed on a workbench of a numerical control machine tool by using a clamp, then the bracket 200 of the T-shaped bracket is correspondingly placed on the second groove 212 and the fifth groove 312, then the clamping piece 41 is divided into three parts to compress and clamp the T-shaped bracket, and finally, the limiting rod 112 is vertically inserted into the through hole of the rib plate 111 to carry out finish machining operation on the T-shaped bracket.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a T type bracket processing frock which characterized in that: comprises a bottom plate (11), a first side plate (21) arranged on the bottom plate (11) and a second side plate (31) arranged on the bottom plate (11) and parallel to the first side plate (21); a first groove (211), a second groove (212) and a third groove (213) are sequentially arranged on the side surface of the first side plate (21) along the vertical direction from bottom to top; a fourth groove (311) and a fifth groove (312) are sequentially formed in the side face of the second side plate (31) along the vertical direction from bottom to top;

and clamping pieces (41) used for pressing the workpiece are arranged on the first groove (211), the third groove (213) and the fourth groove (311).

2. The T-shaped bracket machining tool according to claim 1, characterized in that: the bottom plate (11) is provided with a rib plate (111); two side surfaces of the ribbed plate (111) are respectively fixedly connected with the surfaces of the first side plate (21) and the second side plate (31).

3. The T-shaped bracket machining tool according to claim 2, characterized in that: and a plurality of limiting rods (112) used for supporting the bottoms of the workpieces are arranged on the rib plates (111).

4. The T-shaped bracket machining tool according to claim 1, characterized in that: the height of the second side plate (31) is half of the height of the first side plate (21).

5. The T-shaped bracket machining tool according to claim 1, characterized in that: the length of the second groove (212) is longer than the length of the first groove (211) and the third groove (213).

6. The T-shaped bracket machining tool according to claim 1, characterized in that: the clamp (41) comprises a fastening bolt (411) and a pressing block (412); the fastening bolt (411) is in threaded connection with the first side plate (21) and the second side plate (31), and the pressing block (412) is sleeved on the fastening bolt (411).

7. The T-shaped bracket machining tool according to claim 6, characterized in that: an elastic gasket (413) is arranged on the surface of the pressing block (412).

8. The T-shaped bracket machining tool according to claim 6, characterized in that: a hexagonal groove (414) is formed in the bolt head of the fastening bolt (411).