CN216326611U

CN216326611U - Workpiece fixing device for numerical control machining

Info

Publication number: CN216326611U
Application number: CN202122530899.6U
Authority: CN
Inventors: 江薇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-04-19
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses a workpiece fixing device for numerical control machining, which belongs to the technical field of numerical control machining fixing devices and comprises a machining table, wherein an adjusting mechanism is arranged on the machining table, a detachable mechanism is arranged on the adjusting mechanism, and a clamp is arranged on the detachable mechanism; the adjusting mechanism comprises a supporting block, the supporting block is fixedly installed on the surface of one side, far away from the detachable mechanism, of the processing table, a connecting rod and a worm are inserted into the supporting block in a rotating mode, the connecting rod is fixedly connected with the opposite end of the worm, a turntable is fixedly installed at one end, far away from the detachable mechanism, of the connecting rod, a transmission rod is inserted into the processing table in a rotating mode, a worm wheel is fixedly sleeved on the outer surface of one end, close to the supporting block, of the transmission rod, the worm is meshed with the worm wheel, and a driving gear is fixedly sleeved on the outer surface of one end, far away from the supporting block, of the transmission rod; the clamp can tightly clamp the workpiece, and the clamp cannot loosen to influence the fixation of the workpiece.

Description

Workpiece fixing device for numerical control machining

Technical Field

The utility model relates to the technical field of numerical control machining fixing devices, in particular to a workpiece fixing device for numerical control machining.

Background

Numerical control machining refers to a process method for machining parts on a numerical control machine tool, and the process rules of numerical control machine machining and traditional machine tool machining are consistent on the whole, but are obviously changed. The machining method uses digital information to control the displacement of parts and tools. It is that it is changeable to solve the part variety, it is little in batches, the shape is complicated, the high scheduling problem of required precision and the effective way of realizing high efficiency and automated processing, need fix the work piece in the course of working, but current fixing device simple structure leads to the work piece to take place not hard up easily in the fixed course, influence the processing progress, can not adjust as required, anchor clamps are mostly fixed mounting moreover, the inconvenient change in later stage and maintenance, for this reason we provide a work piece fixing device for numerical control processing and be used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a workpiece fixing device for numerical control machining, which solves the above problems of the related art.

In order to solve the technical problems, the utility model adopts the following technical scheme: a workpiece fixing device for numerical control machining comprises a machining table, wherein an adjusting mechanism is arranged on the machining table, a detachable mechanism is arranged on the adjusting mechanism, and a clamp is arranged on the detachable mechanism;

the adjusting mechanism comprises a supporting block, the supporting block is fixedly installed on one side surface of the processing table far away from the detachable mechanism, a connecting rod and a worm are inserted into the supporting block in a rotating mode, the opposite end of the connecting rod is fixedly connected with the opposite end of the worm, a turntable is fixedly installed at one end of the connecting rod far away from the detachable mechanism, a transmission rod is inserted into the processing table in a rotating mode, a worm wheel is fixedly sleeved on the outer surface of one end, close to the supporting block, of the transmission rod, the worm wheel is meshed with the worm wheel, a driving gear is fixedly sleeved on the outer surface of one end, far away from the supporting block, of the transmission rod, a first toothed plate and a second toothed plate are installed on one side surface of the processing table, located on the driving gear, in a sliding mode, are both meshed with the driving gear and connected, a positioning plate is installed on one side surface of the processing table far away from the supporting block in a sliding mode, and is fixedly connected with the first toothed plate close to the driving gear, the positioning plate far away from the driving gear is fixedly connected with the second gear plate.

Preferably, the first toothed plate and the second toothed plate are fixedly connected with a connecting block at the ends far away from the driving gear, the connecting block close to the driving gear is fixedly connected with the first toothed plate, and the connecting block far away from the driving gear is fixedly connected with the second toothed plate.

Preferably, the detachable mechanism comprises a connecting piece, the connecting piece is slidably mounted on the positioning plate, symmetrically distributed mounting blocks are fixedly mounted at the opposite ends of the connecting piece, fixing bolts are inserted into the mounting blocks and are inserted into the positioning plate, and opposite ends of the clamp and the connecting piece are fixedly connected.

Preferably, the positioning plate is provided with a limiting groove, the connecting piece and the limiting groove are matched with each other for use, the back surface of the positioning plate is provided with mounting holes distributed in an array manner, and the fixing bolt and the mounting holes are matched with each other for use.

Preferably, the machining table is fixedly provided with a placing table on one side surface of the driving gear, the positioning plates are distributed in a mirror image mode with the center of the placing table, and the machining table is fixedly provided with symmetrically distributed supporting legs on one side surface far away from the driving gear.

Preferably, the outer surface of the rotary table is covered with anti-skid lines, and the opposite surface of the clamp is of a damping structure.

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

1. the rotary table is rotated to drive the connecting rod and the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the transmission rod and the driving gear to rotate together, the driving gear rotates to drive the first toothed plate and the second toothed plate to move in opposite directions, so that the group of positioning plates and the clamp are driven to move relatively until the clamp tightly clamps the workpiece, the worm and the worm wheel are matched with each other, the clamp can tightly clamp the workpiece, and the clamp cannot loosen to influence the fixation of the workpiece;

2. make anchor clamps can change through detachable mechanism to satisfy and carry out the centre gripping to not unidimensional work piece, make things convenient for the later stage to the dismantlement maintenance of anchor clamps simultaneously, provide the convenience.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic bottom view of the structure of the present invention.

Fig. 3 is a schematic view of the driving gear structure of the present invention.

FIG. 4 is a schematic view of a positioning plate according to the present invention.

In the figure: 1. a processing table; 11. supporting legs; 12. a placing table; 13. a clamp; 2. an adjustment mechanism; 21. a support block; 22. a connecting rod; 23. a turntable; 24. a worm; 25. a transmission rod; 26. a worm gear; 27. a drive gear; 28. a first toothed plate; 29. positioning a plate; 291. a limiting groove; 292. mounting holes; 211. a second toothed plate; 212. connecting blocks; 3. a detachable mechanism; 31. a connecting member; 32. mounting blocks; 33. and (5) fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a workpiece fixing device for numerical control machining, which comprises a machining table 1, wherein an adjusting mechanism 2 is arranged on the machining table 1, a detachable mechanism 3 is arranged on the adjusting mechanism 2, and a clamp 13 is arranged on the detachable mechanism 3;

the adjusting mechanism 2 comprises a supporting block 21, the supporting block 21 is fixedly installed on one side surface of the processing table 1 far away from the detachable mechanism 3, the supporting block 21 is rotatably inserted with a connecting rod 22 and a worm 24, the connecting rod 22 is fixedly connected with the opposite end of the worm 24, the connecting rod 22 is fixedly installed with a turntable 23 far away from the detachable mechanism 3, the processing table 1 is rotatably inserted with a transmission rod 25, the transmission rod 25 is fixedly sleeved with a worm wheel 26 near the outer surface of one end of the supporting block 21, the worm 24 is meshed with the worm wheel 26, the transmission rod 25 is fixedly sleeved with a driving gear 27 far away from the outer surface of one end of the supporting block 21, the processing table 1 is provided with a first toothed plate 28 and a second toothed plate 211 on one side surface, the first toothed plate 28 and the second toothed plate 211 are both meshed with the driving gear 27, the processing table 1 is provided with a positioning plate 29 on one side surface far away from the supporting block 21, the positioning plate 29 close to the driving gear 27 is fixedly connected with the first toothed plate 28, the positioning plate 29 far away from the driving gear 27 is fixedly connected with the second toothed plate 211, when the workpiece is used, the workpiece is firstly placed on the placing table 12, the rotating disc 23 is rotated, then the connecting rod 22 and the worm 24 are driven to rotate, the worm 24 drives the worm wheel 26 to rotate, the worm wheel 26 can drive the transmission rod 25 and the driving gear 27 to rotate together, the driving gear 27 rotates to enable the first toothed plate 28 and the second toothed plate 211 to move along opposite directions, and therefore the positioning plate 29 and the clamp 13 are driven to move relatively until the clamp 13 tightly clamps the workpiece.

Further, the first tooth plate 28 and the second tooth plate 211 are both fixedly provided with a connecting block 212 at an end far away from the driving gear 27, the connecting block 212 close to the driving gear 27 is fixedly connected with the first tooth plate 28, the connecting block 212 far away from the driving gear 27 is fixedly connected with the second tooth plate 211, and the first tooth plate 28 and the second tooth plate 211 can move to drive a group of positioning plates 29 to move.

Further, detachable mechanism 3 includes connecting piece 31, connecting piece 31 slidable mounting is on locating plate 29, the back of the body end fixed mounting of connecting piece 31 has symmetrically distributed's installation piece 32, it is equipped with fixing bolt 33 to insert on the installation piece 32, fixing bolt 33 inserts the inside of establishing at locating plate 29, the looks remote site fixed connection of anchor clamps 13 and connecting piece 31, when later stage needs to be changed anchor clamps 13, screws off fixing bolt 33 earlier, then takes off connecting piece 31 and anchor clamps 13, installs the inside of spacing groove 291 with the anchor clamps 13 that need to be changed and connecting piece 31, then screws into the inside of mounting hole 292 with fixing bolt 33 again.

Furthermore, a limiting groove 291 is formed in the positioning plate 29, the connecting piece 31 and the limiting groove 291 are used in a matched manner, the connecting piece 31 is convenient to mount, mounting holes 292 distributed in an array manner are formed in the back of the positioning plate 29, the fixing bolt 33 and the mounting holes 292 are used in a matched manner, and after the fixing bolt 33 is inserted into the mounting holes 292, the mounting block 32 can be fixed, so that the connecting piece 31 is fixed.

Further, the processing table 1 is located one side fixed surface of drive gear 27 and is installed and place platform 12, conveniently places the work piece, locating plate 29 is the mirror image distribution with the center of placing platform 12, one side fixed surface that processing table 1 kept away from drive gear 27 is installed the supporting leg 11 of symmetric distribution.

Furthermore, the outer surface of the rotary table 23 is covered with anti-slip patterns, so that operation is convenient, and the opposite surface of the clamp 13 is of a damping structure, so that the friction force between the clamp 13 and a workpiece can be increased.

The working principle is as follows: when the clamping device is used, a workpiece is placed on the placing table 12, the rotating disc 23 is rotated, the connecting rod 22 and the worm 24 are driven to rotate, the worm 24 drives the worm wheel 26 to rotate, the worm wheel 26 drives the transmission rod 25 and the driving gear 27 to rotate together, the driving gear 27 rotates to drive the first toothed plate 28 and the second toothed plate 211 to move in opposite directions, and therefore the positioning plates 29 and the clamp 13 are driven to move relatively until the clamp 13 tightly clamps the workpiece;

when the clamp 13 needs to be replaced in the later stage, the fixing bolt 33 is firstly screwed off, then the connecting piece 31 and the clamp 13 are taken off, the clamp 13 and the connecting piece 31 which need to be replaced are installed in the limiting groove 291, and then the fixing bolt 33 is screwed into the installing hole 292.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a work piece fixing device for numerical control processing, includes processing platform (1), its characterized in that: an adjusting mechanism (2) is arranged on the processing table (1), a detachable mechanism (3) is arranged on the adjusting mechanism (2), and a clamp (13) is arranged on the detachable mechanism (3);

the adjusting mechanism (2) comprises a supporting block (21), the supporting block (21) is fixedly installed on one side surface of the machining table (1) far away from the detachable mechanism (3), the supporting block (21) is rotatably inserted with a connecting rod (22) and a worm (24), opposite ends of the connecting rod (22) and the worm (24) are fixedly connected, one end of the connecting rod (22) far away from the detachable mechanism (3) is fixedly provided with a turntable (23), the machining table (1) is rotatably inserted with a transmission rod (25), one end of the transmission rod (25) close to the supporting block (21) is fixedly sleeved with a worm wheel (26), the worm (24) is meshed with the worm wheel (26), one end of the transmission rod (25) far away from the supporting block (21) is fixedly sleeved with a driving gear (27), and one side surface of the machining table (1) located on the driving gear (27) is slidably provided with a first toothed plate (28) and a second toothed plate (211), first pinion rack (28) and second pinion rack (211) all are connected with drive gear (27) meshing, one side surface slidable mounting that supporting shoe (21) was kept away from in processing platform (1) has locating plate (29), is close to locating plate (29) and first pinion rack (28) fixed connection of drive gear (27), keeps away from locating plate (29) and second pinion rack (211) fixed connection of drive gear (27).

2. The workpiece fixing device for numerical control machining according to claim 1, wherein connecting blocks (212) are fixedly mounted at both ends of the first toothed plate (28) and the second toothed plate (211) far away from the driving gear (27), the connecting block (212) close to the driving gear (27) is fixedly connected with the first toothed plate (28), and the connecting block (212) far away from the driving gear (27) is fixedly connected with the second toothed plate (211).

3. The workpiece fixing device for numerical control machining according to claim 1, characterized in that the detachable mechanism (3) comprises a connecting piece (31), the connecting piece (31) is slidably mounted on the positioning plate (29), the opposite ends of the connecting piece (31) are fixedly mounted with symmetrically distributed mounting blocks (32), fixing bolts (33) are inserted on the mounting blocks (32), the fixing bolts (33) are inserted inside the positioning plate (29), and the opposite ends of the clamp (13) and the connecting piece (31) are fixedly connected.

4. The workpiece fixing device for numerical control machining according to claim 3, wherein the positioning plate (29) is provided with a limit groove (291), the connecting member (31) and the limit groove (291) are used in cooperation, the opposite surface of the positioning plate (29) is provided with mounting holes (292) which are distributed in an array, and the fixing bolt (33) and the mounting hole (292) are used in cooperation.

5. The workpiece fixing device for numerical control machining according to claim 1 is characterized in that a placing table (12) is fixedly installed on one side surface of the machining table (1) located on the driving gear (27), the positioning plates (29) are distributed in a mirror image mode in the center of the placing table (12), and symmetrically distributed supporting legs (11) are fixedly installed on one side surface of the machining table (1) far away from the driving gear (27).

6. The workpiece fixing device for numerical control machining according to claim 1, wherein the outer surface of the rotary table (23) is coated with anti-slip patterns, and the opposite surface of the clamp (13) is of a damping structure.