CN218461554U

CN218461554U - Clamp assembly for machining T-shaped parts

Info

Publication number: CN218461554U
Application number: CN202222671095.2U
Authority: CN
Inventors: 魏志勇; 任献甫; 胡振雷; 蒋坤涛
Original assignee: Hebei Henggong Precision Equipment Co ltd
Current assignee: Hebei Henggong Precision Equipment Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-02-10
Anticipated expiration: 2032-10-11

Abstract

The utility model relates to the field of machining, in particular to a clamp assembly for T-shaped part machining, which comprises a first clamp and a second clamp, wherein the first clamp comprises a bottom plate connected with a machine tool, a first main body connected with the bottom plate, and a fastening structure for fixing a blank piece on the first main body; the fastening structure comprises two T-shaped blocks arranged above and below the first main body, an upper wedge block connected with the T-shaped block above through a fastening piece, and a lower wedge block connected with the T-shaped block below through a fastening piece, wherein the upper wedge block and the lower wedge block are mutually matched through inclined planes. Through the improvement of the clamp, the processing procedures are reduced from the original five procedures into two procedures, the clamping time and the labor cost are reduced, the size precision loss caused by repositioning is reduced, and the product quality is improved.

Description

Clamp assembly for machining T-shaped parts

Technical Field

The utility model relates to the field of machining, concretely relates to anchor clamps subassembly is used in T type parts machining.

Background

As shown in fig. 11 and 12, a blank 3 for a T-shaped part is processed. The blank member 3 includes a rectangular base body 31, and a cylindrical portion 32 connected to the rectangular base body 31. The rectangular base 31 includes two oppositely disposed upper surfaces 311 and lower surfaces 312, two oppositely disposed front surfaces 313 and rear surfaces 314, and two oppositely disposed left surfaces 315 and right surfaces 316.

As shown in fig. 13, the finished T-shaped part is machined from the blank 3 shown in fig. 12, and the specific machining steps are as follows:

OP10, aligning the external shape, and horizontally machining the lower surface 312 and the threaded hole 33 of the blank 3;

OP20, positioned with lower surface 312, using horizontal machining cylinder 32 and upper surface 311;

OP30, lower surface 312 and threaded hole 33, using vertical machining top surface 4 notches 34;

OP40, lower surface 312 and threaded hole 33 are positioned using horizontal machining left surface 315 and right surface 316;

OP50, lower surface 312 and threaded hole 33 are positioned using horizontal machining of front surface 313 and rear surface 314;

the five processes totally need 5 devices, 2 operators have more processes, the processing time between each process is unbalanced, and the problem of stopping the devices and waiting materials easily occurs. Moreover, as the processes are multiple, multiple clamping is required, the auxiliary time is long, the labor intensity is high, and the size precision of the workpiece is low due to multiple clamping and positioning; moreover, since the number of processes is large, the number of tools to be arranged is large, the number of devices to be used is large, the number of personnel to be arranged is large, and the cost is high, it is necessary to improve the process for machining the T-shaped part.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that current T type parts machining process is more, the clamping is complicated, the cost is great, the utility model provides a anchor clamps subassembly is used in T type parts machining.

In order to achieve the above object, the present invention provides a technical solution for solving the technical problem:

the utility model provides a clamp assembly for T type parts machining, includes first anchor clamps and second anchor clamps, its characterized in that: the first clamp comprises a bottom plate connected with a machine tool, a first main body connected with the bottom plate, and a fastening structure for fixing a blank piece on the first main body; the fastening structure comprises two T-shaped blocks arranged above and below the first main body, an upper wedge block connected with the T-shaped block above through the fastening piece, and a lower wedge block connected with the T-shaped block below through the fastening piece, and the upper wedge block and the lower wedge block are matched with each other through inclined planes.

Further, the first body includes a first end portion, a first intermediate connecting portion, and a second end portion; the first end portion and the second end portion protrude out of the first middle connecting portion, and an accommodating groove for accommodating the blank is defined between the first end portion, the first middle connecting portion and the second end portion.

Furthermore, two identical accommodating spaces are respectively formed in a pair of opposite side surfaces of the first end part, and the two accommodating spaces on each side surface are transversely arranged; and a group of fastening structures is correspondingly arranged in each accommodating space.

Furthermore, the accommodating space is provided with an embedded groove used for accommodating the T-shaped block towards the direction of the inside of the first end part; the caulking groove is communicated with an inlet groove towards the direction of the first middle connecting part.

Furthermore, the four turning angles at the second end part are respectively provided with a turning hole; the side surfaces of the turning holes respectively penetrate through two surfaces of the first main body, and the upper part of the turning holes is communicated with the accommodating groove.

Furthermore, a first through hole is formed in the turning hole in a downward concave mode, the first through hole penetrates through the bottom face of the first main body, and the fastening piece penetrates through the first through hole and the bottom plate to be connected with a machine tool.

Furthermore, a second main body is arranged in the second clamp, the accommodating space and the caulking groove are respectively arranged on two opposite side surfaces in the second main body, and a second fixing hole is concavely arranged on the second middle connecting part.

Furthermore, the second clamp further comprises two groups of fastening structures which are arranged corresponding to the accommodating space.

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

through the improvement of the clamp, the processing procedures are reduced from the original five procedures to two procedures, and the used equipment is reduced from the original 5 to 2; the clamping frequency is reduced from 5 times to 2 times; the processing time of the two procedures is basically equal; the number of operators is reduced from 2 to 1, so that the clamping time and the labor cost are reduced, the size precision loss caused by repositioning is reduced, and the product quality is improved.

Drawings

FIG. 1 is a schematic view of an assembly structure of a first clamp;

FIG. 2 is an exploded view of the first step of the clamping assembly for machining a blank;

FIG. 3 is a schematic structural component view of the fastening structure;

FIG. 4 is a side view of the first body shaft;

FIG. 5 is a schematic axial side view of the first body in another direction;

FIG. 6 is a schematic view of a T-block configuration;

FIG. 7 is a schematic structural view of an upper wedge;

FIG. 8 is a schematic view of a second fixture;

FIG. 9 is an exploded view of the second process step of the clamping assembly for machining a blank;

FIG. 10 is a schematic side view of the second body;

FIG. 11 is a schematic view of a blank construction;

FIG. 12 is a schematic view of another directional structure of a blank;

FIG. 13 is a schematic structural view of a T-shaped part;

in the figure: a base plate 1; a first clamp 10; a first body 2; a second jig 20; a first end portion 21; the accommodation space 211; a caulking groove 212; a lateral groove 2121; a longitudinal groove 2122; a first intermediate connection portion 22; an inlet tank 221; a second end portion 23; the turning hole 231; a first through hole 232; an accommodating groove 24; a blank member 3; a rectangular base 31; an upper surface 311; a lower surface 312; a front surface 313; a rear surface 314; a left surface 315; a right surface 316; a cylindrical portion 32; a fastening structure 4; a T-shaped block 41; a large head 411; a small head 412; a first fixing hole 413; an upper wedge 42; a front side 421; a back side 422; a stepped hole 423; a large aperture 4231; an orifice 4232; a fastener 43; a lower wedge 44; a second body 5; the second intermediate connection portion 52; a second fixing hole 521; a boss 531; a second through hole 532.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

As shown in fig. 1 and 8, the present embodiment provides a clamp assembly for machining a T-shaped part, which includes a first clamp 10 and a second clamp 20.

As shown in fig. 2, the first jig 10 includes a base plate 1 connected to a machine tool not shown in the drawings, a first body 2 connected to the base plate 1 and fixed by a fastener 43, and a fastening structure 4 for fixing the blank member 3 to the first body 2.

In this embodiment, the fastening structures 4 are provided in four sets, and the four sets of fastening structures 4 are symmetrically arranged on the first main body 2 in pairs.

As shown in fig. 2 and 3, each set of the fastening structures 4 includes two T-shaped blocks 41 installed above and below the first body 2, an upper wedge 42 connected to the upper T-shaped block 41 by the fastening member 43, and a lower wedge 44 connected to the lower T-shaped block 41 by the fastening member 43.

As shown in fig. 4 and 5, the first body 2 is substantially i-shaped, and includes a first end portion 21, a first middle connecting portion 22, and a second end portion 23, the first end portion 21 and the second end portion 23 are disposed to protrude from the first middle connecting portion 22, and a receiving groove 24 for receiving the blank 3 is defined between the first end portion 21, the first middle connecting portion 22, and the second end portion 23.

Two identical accommodating spaces 211 are respectively formed in a pair of opposite side surfaces of the first end portion 21, and the two accommodating spaces 211 on each side surface are arranged transversely. Each of the accommodating spaces 211 is correspondingly installed with a set of the fastening structures 4.

As shown in fig. 5, the receiving space 211 is provided with a caulking groove 212 toward the inside of the first end 21, and the caulking groove 212 is shaped like a T and includes a transverse groove 2121 embedded in the first body 2 and a longitudinal groove 2122 communicated with the receiving space 211.

As shown in fig. 4, the insertion groove 212 is communicated with an inlet groove 221 toward the first intermediate connecting portion 22, the inlet groove 221 is formed by inward recessing of the outer surface of the first intermediate connecting portion 22, and the upper and lower T-shaped blocks 41 are installed in the insertion groove 212 through the inlet groove 221. The cross-sectional shape of the inlet groove 221 is U-shaped, and may be other shapes such as rectangular, diamond, etc.

As shown in fig. 4, the four turning angles of the second end portion 23 are respectively provided with a turning hole 231 for giving way to the blank 3. The side surfaces of the turning hole 231 penetrate through two intersected surfaces of the first main body 2 respectively, the upper side of the turning hole is communicated with the accommodating groove 24, a first through hole 232 is formed in the turning hole 231 in a downward concave mode, the first through hole 232 penetrates through the bottom surface of the first main body 2, the fastening piece 43 penetrates through the first through hole 232 and the bottom plate 1 to be connected with a machine tool, and therefore the first main body 2 is fixed on the machine tool.

As shown in fig. 6, the T-shaped block 41 is composed of a transverse large head 411 and a small head 412 connected with the large head 411. The T-shaped block 41 is installed in the caulking groove 212, and each caulking groove 212 is provided with two upper and lower T-shaped blocks 41, the large head 411 of each T-shaped block 41 is located in the transverse groove 2121 of the caulking groove 212, and the small head 412 of each T-shaped block 41 is located in the longitudinal groove 2122 of the caulking groove 212. The front surface of the T-shaped block 41 is concavely provided with a first fixing hole 413, the first fixing hole 413 penetrates through the back surface of the T-shaped block 41, and an internal thread is arranged in the first fixing hole 413.

As shown in fig. 7, the upper wedge 42 is defined by a front 421, a back 422, and four side surfaces connected end to end. The front 421 tapers outwardly to form a back 422. The upper wedge 42 is recessed with a stepped hole 423 penetrating the front 421 and the back 422. The stepped hole 423 is composed of large holes 4231 and small holes 4232 with different diameters, the large holes 4231 are concavely arranged on the front surface 421, and the small holes 4232 are concavely arranged on the back surface 422. When the upper wedge 42 is installed, the small hole 4232 is disposed corresponding to the small head 412 of the T-shaped block 41, and the fastening member 43 passes through the stepped hole 423 of the upper wedge 42 into the first fixing hole 413 of the T-shaped block 41 to be threadedly coupled with the first fixing hole 413, thereby completely fixing the T-shaped block 41 and the upper wedge 42.

The lower wedge 44 is substantially identical to the upper wedge 42, except that the stepped hole 423 is formed in the opposite direction, the front surface 421 is recessed with a large hole 4231 of the stepped hole 423, the rear surface 422 is recessed with a small hole 4232 of the stepped hole 423, and the lower wedge 44 is mounted in the same manner as the upper wedge 42.

In use, the two T-shaped blocks 41 of each fastening structure 4 are sequentially placed into the recessed groove 212 through the entrance slot 221, the upper wedge 42 and the lower wedge 44 are fixed to the two upper and lower T-shaped blocks 41, respectively, the upper wedge 42 and the lower wedge 44 are engaged with each other through an inclined surface, the blank 3 is placed in the receiving groove 24, the lower wedge 44 is abutted against the left surface 315 of the blank 3, the second end portion 23 is abutted against the right surface 316 of the blank 3, thereby positioning the blank 3 by the first fixture 10, and the first process, that is, the processing of the upper surface 311, the front surface 313, the rear surface 314, and the end surface of the cylindrical portion 32 of the blank 3, is started.

As shown in fig. 9 and 10, the second jig 20 has substantially the same structure as the first jig 10, except that: the two symmetrical side surfaces of the second body 5 of the second fixture 20 are respectively provided with one receiving space 211 and one caulking groove 212, and the second middle connecting portion 52 is concavely provided with a second fixing hole 521, wherein the second fixing hole 521 is a blind hole for fixing the cylindrical portion 32 of the blank member 3. The second clamp 20 further includes two sets of fastening structures 4 disposed corresponding to the receiving space 211.

In this embodiment, two side surfaces of one end of the second body 5 extend outward to form a boss 531, a plurality of second through holes 532 are recessed above the boss 531, and the second through holes 532 penetrate through an upper bottom surface and a lower bottom surface of the boss 531, so that the fastening members 43 can pass through and be connected with the base plate 1.

When the second fixture 20 is used for clamping, the cylindrical portion 32 of the blank 3 is first placed in the second receiving hole 521, and then the process of clamping the blank 3 by the first body 2 in the first fixture 10 is repeated, so that the blank 3 is positioned by the second fixture 20 through the clamping process, and the second process, that is, the lower surface 312, the left surface 315 and the right surface 316 of the blank 3, is started to be processed.

To sum up, the utility model discloses a first anchor clamps 10 with the anchor clamps subassembly that second anchor clamps 20 are constituteed is right blank 3 is processed, and it finishes finished product T type part and is shown in fig. 13. Compared with the prior art, 5 working procedures are needed for processing the blank 3 into the T-shaped part, and 5 devices are used; the clamping times are 5 times. The utility model provides a subassembly only needs 2 processes, uses 2 equipment, carries out 2 clamping and just can accomplish processing, has reduced the clamping time, has reduced the cost of labor and has reduced the loss of precision that clamping caused again.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a clamp assembly for T type parts machining, includes first anchor clamps (10) and second anchor clamps (20), its characterized in that: the first clamp (10) comprises a base plate (1) connected with a machine tool, a first main body (2) connected with the base plate (1), and a fastening structure (4) for fixing a blank (3) on the first main body (2); the fastening structure (4) comprises two T-shaped blocks (41) arranged above and below the first body (2), an upper wedge block (42) connected with the upper T-shaped block (41) through a fastening piece (43), and a lower wedge block (44) connected with the lower T-shaped block (41) through the fastening piece (43), wherein the upper wedge block (42) and the lower wedge block (44) are matched with each other through inclined planes.

2. The jig assembly for machining a T-shaped part according to claim 1, wherein: the first body (2) comprising a first end portion (21), a first intermediate connection portion (22) and a second end portion (23); the first end portion (21) and the second end portion (23) are arranged to protrude from the first middle connecting portion (22), and a containing groove (24) for containing the blank (3) is defined between the first end portion (21), the first middle connecting portion (22) and the second end portion (23).

3. The jig assembly for machining a T-shaped part according to claim 2, wherein: a pair of opposite side surfaces of the first end part (21) are respectively provided with two same accommodating spaces (211), and the two accommodating spaces (211) on each side surface are transversely arranged; each accommodating space (211) is correspondingly provided with a group of fastening structures (4).

4. The jig assembly for machining a T-shaped part according to claim 3, wherein: the accommodating space (211) is provided with a caulking groove (212) used for accommodating the T-shaped block (41) towards the direction inside the first end part (21); the insertion groove (212) communicates with an inlet groove (221) in the direction of the first intermediate connection (22).

5. The jig assembly for machining a T-shaped part according to claim 2, characterized in that: the four turning angles of the second end part (23) are respectively provided with a turning hole (231); the side surfaces of the turning holes (231) respectively penetrate through two intersected surfaces of the first main body (2), and the upper parts of the turning holes are communicated with the accommodating grooves (24).

6. The jig assembly for machining a T-shaped part according to claim 5, characterized in that: a first through hole (232) is formed in the turning hole (231) in a downward concave mode, the first through hole (232) penetrates through the bottom face of the first main body (2), and the fastening piece (43) penetrates through the first through hole (232) and the bottom plate (1) to be connected with a machine tool.

7. The jig assembly for machining a T-shaped part according to claim 4, characterized in that: the second clamp (20) is internally provided with a second main body (5), two opposite side surfaces of the second main body (5) are respectively provided with the accommodating space (211) and the caulking groove (212), and a second fixing hole (521) is concavely arranged on the second middle connecting part (52).

8. The jig assembly for machining a T-shaped part according to claim 7, wherein: the second clamp (20) further comprises two sets of fastening structures (4) arranged corresponding to the accommodating space (211).