CN216706734U

CN216706734U - Workpiece fixing device of machine tool

Info

Publication number: CN216706734U
Application number: CN202122965999.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Guangdong Lyric Robot Intelligent Automation Co Ltd
Current assignee: Lyric Robot Boluo Intelligent Machinery Co ltd
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-06-10
Anticipated expiration: 2031-11-30

Abstract

The utility model relates to a machine tool workpiece fixing device which comprises a base, a first limiting assembly and a second limiting assembly, wherein the first limiting assembly and the second limiting assembly are in sliding connection with the base, the first limiting assembly and the second limiting assembly are arranged in pairs, the first limiting assembly and/or the second limiting assembly comprise a bearing seat and a pushing block, the bearing seat is used for bearing a workpiece, the pushing block is movably arranged on the bearing seat, and the pushing block is used for compressing and fixing the workpiece. The utility model has the advantages of simple structure, high remodeling and installation speed, convenient operation and strong practicability.

Description

Workpiece fixing device of machine tool

Technical Field

The utility model relates to the technical field of machine tool fixtures, in particular to a machine tool workpiece fixing device.

Background

When the numerical control machine tool is used for machining, a workpiece needs to be clamped and fixed through the fixing device, the existing fixing device is simple in structure, generally only specific workpieces can be fixed, the clamping and the remodeling of the workpieces have limitation, the practicability of the whole mechanism is reduced, the clamp is not convenient to install, and the use requirement for the workpiece fixing device in numerical control machining is hardly met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a machine tool workpiece fixing device which is simple in structure, high in remodeling and installation speed, convenient to operate and high in practicability.

The utility model provides a lathe work piece fixing device, including the base and with base sliding connection's first spacing subassembly and the spacing subassembly of second, first spacing subassembly and the spacing subassembly of second set up in pairs, first spacing subassembly and/or the spacing subassembly of second are including bearing seat and top ejector pad, it is used for the bearing work piece to bear the seat, the activity of top ejector pad is located bear the seat, the top ejector pad is used for compressing tightly fixedly to the work piece.

Furthermore, a positioning block is arranged on the bearing seat, a guide part is arranged at one end of the positioning block, and the pushing block is movably connected with the positioning block through the guide part.

Furthermore, the guide part comprises at least two guide rods, the positioning block is provided with a sliding hole corresponding to the guide rods, one end of each guide rod is connected with the pushing block, and the other end of each guide rod is slidably inserted into the sliding hole.

Furthermore, a reset component is arranged between the positioning block and the pushing block and used for resetting the pushing block.

Further, the reset assembly comprises a wedge block and an elastic piece, the wedge block is configured to be capable of moving vertically, the elastic piece is arranged between the wedge block and the bearing seat, the wedge block is provided with a first inclined surface, and the pushing block is provided with a second inclined surface matched with the first inclined surface.

Furthermore, the locating piece is equipped with the guide way that extends along vertical direction, the wedge is equipped with spacing portion, spacing portion is inserted and is established the guide way.

Further, the surfaces of the first inclined surface and the second inclined surface are smooth.

Furthermore, anti-slip grooves are arranged on the surface of the pushing block.

Furthermore, the base comprises a plurality of T-shaped grooves which are arranged in parallel, and T-shaped sliding blocks matched with the T-shaped grooves are arranged on the first limiting assembly and the second limiting assembly.

Further, the moving direction of the pushing block is parallel to the extending direction of the T-shaped groove.

Compared with the prior art, the utility model has the beneficial effects that: first spacing subassembly and the spacing subassembly of second set up on the base in pairs, through many to first spacing subassembly and the spacing subassembly of second, can carry out the clamping to the different positions of work piece fixed, convenient to use is nimble, is favorable to improving the speed of remodeling. The first limiting assembly and the second limiting assembly are reasonable in structure, and can stably support and fix a workpiece through the bearing seat and the pushing block, so that the processing stability is improved.

Drawings

Fig. 1 is a schematic structural diagram of a workpiece fixing device of a machine tool according to an embodiment of the utility model.

Fig. 2 is a schematic structural diagram of a first limiting assembly of the workpiece fixing device of the machine tool according to the embodiment of the utility model.

Fig. 3 is a schematic structural diagram of a positioning block of the workpiece fixing device of the machine tool according to the embodiment of the utility model.

Fig. 4 is a schematic structural diagram of a pushing block of the workpiece fixing device of the machine tool according to the embodiment of the utility model.

Fig. 5 is a schematic structural diagram of a wedge block of the workpiece fixing device of the machine tool according to the embodiment of the utility model.

The reference numbers illustrate: the device comprises a base 1, a T-shaped groove 11, a first limiting component 2, a T-shaped sliding block 21, a bearing seat 22, a pushing block 23, a first inclined surface 231, an anti-skidding groove 232, a positioning block 24, a sliding hole 241, a guide groove 242, a wedge-shaped block 25, a second inclined surface 251, a limiting part 252, a guide rod 26 and a second limiting component 3.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

The embodiment provides a lathe work piece fixing device, and its simple structure, the mounting speed of remodeling is fast, convenient operation, the practicality is strong.

Referring to fig. 1, fig. 1 is a schematic perspective view of a workpiece fixing device of a machine tool in the present embodiment.

The machine tool workpiece fixing device mainly comprises a base 1, a first limiting component 2 and a second limiting component 3. The first limiting component 2 and the second limiting component 3 are arranged in pairs, in this embodiment, the first limiting component 2 and the second limiting component 3 are two pairs, in other specific embodiments, the first limiting component 2 and the second limiting component 3 may be more than two pairs, and specifically, the first limiting component 2 and the second limiting component 3 may be flexibly arranged according to the shape and size of the workpiece. First spacing subassembly 2 and the spacing subassembly 3 of second and base 1 sliding connection, through the spacing subassembly 3 of the first spacing subassembly 2 of slip and second, can press from both sides the work piece tight fixation between the two.

In this embodiment, the base 1 is provided with a plurality of T-shaped grooves 11, the first limiting component 2 and the second limiting component 3 are provided with T-shaped sliders 21 matched with the T-shaped grooves 11, and the T-shaped sliders 21 can be inserted into the T-shaped grooves 11, so that the first limiting component 2 and the second limiting component 3 are slidably connected with the base 1.

It should be understood that, in the implementation process, the distance between two adjacent T-shaped grooves 11 is greater than the width of the first limiting assembly 2 and the second limiting assembly 3, so as to avoid the interference between the first limiting assembly 2 and the second limiting assembly 3 in the two adjacent T-shaped grooves 11.

Referring to fig. 2, fig. 2 is a schematic structural diagram of the first position-limiting assembly 2 in the present embodiment.

The first limiting component 2 comprises a bearing seat 22 and a pushing block 23, the pushing block 23 is movably arranged on the bearing seat 22, the bearing seat 22 is used for bearing a workpiece, the moving direction of the pushing block 23 is parallel to the extending direction of the T-shaped groove 11, and the pushing block 23 is used for compressing and fixing the workpiece. In the implementation process, the workpiece is placed between the first limiting component 2 and the second limiting component 3, the first limiting component 2 and the second limiting component 3 are slid, so that the workpiece is supported on the bearing seat 22, and the pushing block 23 pushes the workpiece from the side surface of the workpiece, so that the workpiece is clamped and fixed.

Referring to fig. 3, fig. 4, and fig. 5, fig. 3 is a schematic structural view of the positioning block 24, fig. 4 is a schematic structural view of the pushing block 23, and fig. 5 is a schematic structural view of the wedge block 25.

In this embodiment, the bearing seat 22 is provided with a positioning block 24, one end of the positioning block 24 facing the pushing block 23 is provided with a guiding portion, and the pushing block 23 is movably connected with the positioning block 24 through the guiding portion. Illustratively, the guide portion includes two guide rods 26, the two guide rods 26 are respectively disposed at two sides close to the positioning block 24, the positioning block 24 is provided with a sliding hole 241 corresponding to the guide rods 26, one end of each guide rod 26 is connected to the pushing block 23, and the other end of each guide rod 26 is slidably inserted into the sliding hole 241, so that the pushing block 23 can slide back and forth relative to the positioning block 24.

In other possible embodiments, the guiding portion may also be a guide rail, and the pushing block 23 is provided with a sliding block matched with the guide rail, and the pushing block 23 can be slidably connected with the guide rail through the sliding block.

In this disclosure, a reset component is arranged between the positioning block 24 and the pushing block 23, and the reset component is used for resetting the pushing block 23 so as to keep the pressure of the pushing block 23 on the workpiece, so that the workpiece is more stable. Specifically, the reset assembly includes a wedge 25 and an elastic member, not shown in the drawings, the wedge 25 is configured to be vertically movable, the elastic member is disposed between the wedge 25 and the bearing seat 22, and the elastic member may be, for example, a spring, and two ends of the elastic member are respectively connected to the wedge 25 and the bearing seat 22. The wedge block 25 is provided with a first inclined surface 231, the pushing block 23 is provided with a second inclined surface 251 matched with the first inclined surface 231, and the wedge block 25 extrudes the second inclined surface 251 through the first inclined surface 231, so that the pushing block 23 is driven to move horizontally. In order to ensure the pushing effect of the pushing block 23, the surfaces of the first inclined surface 231 and the second inclined surface 251 are smooth, so as to avoid that the pushing block 23 cannot be reset due to friction force.

In the implementation process, when the pushing block 23 abuts against the workpiece, the pushing block 23 moves horizontally towards the positioning block 24 under the pressure of the workpiece, at this time, the wedge block 25 moves vertically upwards, the wedge block 25 has a downward restoring force due to the elastic force of the elastic member, and the restoring force enables the pushing block 23 to have a pushing force towards the workpiece through the first inclined surface 231 and the second inclined surface 251, so that the workpiece is kept pushed, and the clamping stability is ensured.

In order to ensure the stability of the movement of the wedge 25, in the present embodiment, the positioning block 24 is provided with a guide groove 242 extending in the vertical direction, the cross section of the guide groove 242 is trapezoidal, one end of the wedge 25 facing the positioning block is provided with a limiting portion 252, the cross section of the limiting portion 252 is formed into a trapezoid shape matching with the guide groove 242, and the limiting portion 252 is inserted into the guide groove 242 so as to guide the movement of the wedge 25.

In this embodiment, the anti-slip grooves 232 are arranged on the surface of the pushing block 23, and the anti-slip grooves 232 can improve the friction between the pushing block 23 and the workpiece, thereby improving the fixing effect of the pushing block 23 on the workpiece.

It should be noted that, in the implementation process, the first limiting assembly 2 and the second limiting assembly 3 may adopt the same structure, that is, both push the workpiece through the slidable pushing block 23, so as to fix the workpiece. In other specific embodiments, one of the first limiting component 2 and the second limiting component 3 may adopt the above structure, and the other one only needs to be ensured to have the T-shaped sliding block 21 connected with the base 1 in a sliding manner, the bearing seat 22 for bearing the workpiece, and the fixed stop corresponding to the pushing block 23.

The utility model provides a lathe work piece fixing device is through setting up first spacing subassembly 2 and the spacing subassembly 3 of second in pairs on base 1, through many to the spacing subassembly 3 of first spacing subassembly 2 and second, can carry out the clamping to the work piece different positions and fix, and convenient to use is nimble, is favorable to improving the speed of remodeling. The first limiting component 2 and the second limiting component 3 are reasonable in structure, and can stably support and fix a workpiece through the bearing seat 22 and the pushing block 23, so that the processing stability is improved.

In the description of the present invention, it is to be understood that terms such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships, are used based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and for the simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

While the utility model has been described in conjunction with the specific embodiments set forth above, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the foregoing description. Accordingly, it is intended to embrace all such alternatives, modifications, and variations that fall within the spirit and scope of the appended claims.

Claims

1. The utility model provides a lathe work piece fixing device, its characterized in that, including base (1) and with base (1) sliding connection's spacing subassembly of first spacing subassembly (2) and second (3), first spacing subassembly (2) and the spacing subassembly of second (3) set up in pairs, first spacing subassembly (2) and/or the spacing subassembly of second (3) are including bearing seat (22) and top ejector pad (23), bearing seat (22) are used for bearing the work piece, top ejector pad (23) activity is located bearing seat (22), top ejector pad (23) are used for compressing tightly fixedly to the work piece.

2. The machine tool workpiece fixing device according to claim 1, wherein a positioning block (24) is arranged on the bearing seat (22), a guide part is arranged at one end of the positioning block (24), and the pushing block (23) is movably connected with the positioning block (24) through the guide part.

3. The machine tool workpiece fixing device according to claim 2, characterized in that the guide part comprises at least two guide rods (26), the positioning block (24) is provided with a sliding hole (241) corresponding to the guide rods (26), one end of each guide rod (26) is connected with the pushing block (23), and the other end of each guide rod is slidably inserted into the corresponding sliding hole (241).

4. The machine tool workpiece fixture device according to claim 2, characterized in that a reset component is arranged between the positioning block (24) and the ejector block (23), and the reset component is used for resetting the ejector block (23).

5. The machine tool workpiece fixture device according to claim 4, characterized in that the reset assembly comprises a wedge block (25) and an elastic member, the wedge block (25) is configured to be vertically movable, the elastic member is arranged between the wedge block (25) and the bearing seat (22), the wedge block (25) is provided with a first inclined surface (231), and the pushing block (23) is provided with a second inclined surface (251) matched with the first inclined surface (231).

6. The machine tool workpiece fixture device according to claim 5, characterized in that the positioning block (24) is provided with a guide groove (242) extending in a vertical direction, the wedge block (25) is provided with a limiting portion (252), and the limiting portion (252) is inserted in the guide groove (242).

7. The machine tool workpiece fixture device according to claim 5, characterized in that the surfaces of the first bevel (231) and the second bevel (251) are smooth.

8. A machine tool workpiece holding device according to claim 1, characterised in that the surface of the ejector pad (23) is lined with anti-slip grooves (232).

9. The machine tool workpiece fixture device according to claim 1, characterized in that the base (1) comprises a plurality of T-shaped grooves (11) arranged in parallel, and the first limiting component (2) and the second limiting component (3) are provided with T-shaped sliding blocks (21) matched with the T-shaped grooves (11).

10. A machine tool workpiece holding device according to claim 9, characterised in that the direction of movement of the pusher block (23) is parallel to the direction of extension of the T-shaped slot (11).