CN218533650U

CN218533650U - Automatic clamp of numerical control machining tool

Info

Publication number: CN218533650U
Application number: CN202221364378.6U
Authority: CN
Inventors: 赵冬冬; 王国栋; 崔沛; 蒋晓; 曹生亮
Original assignee: Jiyuan Vocational and Technical College
Current assignee: Jiyuan Vocational and Technical College
Priority date: 2022-06-03
Filing date: 2022-06-03
Publication date: 2023-02-28
Anticipated expiration: 2032-06-03

Abstract

The utility model discloses a numerical control machine tool automatic clamp, including the installation piece, the curb plate is all installed to installation piece front end and rear end, two the bottom plate is all installed to the one end that the curb plate was kept away from each other, open the bottom plate upper end has a plurality of through-hole, two install the mounting panel between the curb plate jointly, the pneumatic cylinder is installed to the mounting panel upper end, installation piece upper end is provided with two fly leaves, two the fly leaf uses the pneumatic cylinder to be bilateral symmetry distribution as the center, the inside actuating mechanism that is provided with of installation piece, actuating mechanism is connected with the equal transmission of two fly leaves, the pneumatic cylinder output runs through the mounting panel and is connected with the actuating mechanism transmission, installation piece upper end is provided with two fixed plates. The utility model discloses a set up the lateral shifting that pneumatic cylinder cooperation actuating mechanism realized the fly leaf, it is fixed that the centre gripping of work piece has been realized to rethread fly leaf and fixed plate, compact structure, low in manufacturing cost, the practicality is strong.

Description

Automatic clamp of numerical control machining tool

Technical Field

The utility model relates to a machine tool clamp technical field, in particular to numerical control machine tool automatic clamp.

Background

A machine tool holder is a device on a machine tool for holding a workpiece (and guiding a tool). The function of which is to position the work piece so that it obtains the correct position in relation to the machine tool and the tool and to clamp it securely. The machine tool clamp has the following application effects: when the clamp is used for clamping workpieces, the position precision of the workpieces relative to the cutter and the machine tool is ensured by the clamp and is not influenced by the technical level of workers, so that the processing precision of a batch of workpieces tends to be consistent; the clamp is convenient and quick to clamp the workpiece, the workpiece does not need to be marked and aligned, and the auxiliary working time can be obviously reduced; after the workpiece is clamped in the clamp, the rigidity of the workpiece is improved, and the cutting amount can be increased; the clamp for clamping a plurality of workpieces at multiple stations can be used, and a high-efficiency clamping mechanism can be adopted, so that the labor productivity is further improved; according to the forming movement of the machine tool, different types of clamps are attached, so that the original process range of the machine tool can be expanded.

The prior patent (application number 202120230279.8) discloses a numerical control machine tool automatic clamp, the power distribution box comprises a box body, the up end of box is equipped with the first through groove of inside concave yield, first through inslot sliding connection has the centre gripping subassembly, the up end of box is equipped with the second through groove of inside concave yield, the second is run through inslot bilateral symmetry and is equipped with auxiliary assembly, and the symmetry sets up auxiliary assembly sliding connection is in the second runs through the inslot, the symmetry sets up auxiliary assembly with the centre gripping subassembly is mutually supported. This design has realized adjusting the centre gripping position of work piece according to the demand through setting up auxiliary assembly and centre gripping subassembly.

Above-mentioned patent has realized the centre gripping of work piece through setting up the cooperation of auxiliary assembly and centre gripping subassembly jointly to and the adjustment of work piece clamping position, but, utilized drive devices such as a plurality of cylinders, motors to realize the centre gripping purpose in the above-mentioned patent, not only improved equipment cost, still increased the volume of anchor clamps, and then restricted the range of motion of tool bit in the lathe, so, we provide a numerical control machine tool automatic clamp.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a numerical control machine tool automatic clamp can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a numerical control machine tool automatic clamp, includes the installation piece, curb plate, two are all installed to installation piece front end and rear end the bottom plate is all installed to the one end that the curb plate was kept away from each other, open the bottom plate upper end has a plurality of through-hole, two install the mounting panel between the curb plate jointly, the pneumatic cylinder is installed to the mounting panel upper end, installation piece upper end is provided with two fly leafs, two the fly leaf uses the pneumatic cylinder to be bilateral symmetry distribution as the center, the inside actuating mechanism that is provided with of installation piece, actuating mechanism is connected with the equal transmission of two fly leafs, the pneumatic cylinder output runs through the mounting panel and is connected with the actuating mechanism transmission, installation piece upper end is provided with two fixed plates, two the fixed plate is located two fly leaf outsides respectively.

Preferably, the curb plate upper end is opened there are two sets of screws, and is two sets of the screw is bilateral symmetry and distributes, every group the screw all is provided with a plurality of, and a plurality of the screw is linear array and distributes, installation piece upper end middle part is opened has the mounting groove, the screw and fastening bolt phase-match.

Preferably, the driving mechanism comprises a vertical driving block, the upper end of the vertical driving block is fixedly connected with the output end of the hydraulic cylinder, the vertical driving block is in an isosceles trapezoid structure, the left and right inclined surfaces of the vertical driving block are slidably connected with a transverse driving block, the transverse driving block is in a right-angled triangle structure, a moving block is mounted at the upper end of the transverse driving block, a connecting seat is mounted at the upper end of the moving block, the connecting seat is fixedly connected with a movable plate through a bolt, in an initial state, the upper end surface of the vertical driving block is flush with the upper end surface of the transverse driving block, the moving block is in close contact with a mounting plate, and at the moment, the distance between the movable plate and the fixed plate at the same side is the largest, so that a workpiece can be placed conveniently; at the final state, the vertical driving blocks move upwards under the driving of the hydraulic cylinder until the upper end faces of the vertical driving blocks are in contact with the lower end faces of the mounting plate, at the moment, the two horizontal driving blocks move along the horizontal limiting grooves towards the direction far away from the vertical driving blocks until the moving blocks are in contact with the side wall of the mounting groove, and at the moment, the distance between the movable plate and the fixed plate on the same side is shortest.

Preferably, one end of the side plate, which is close to the mounting block, is provided with two groups of vertical limiting grooves and two groups of horizontal limiting grooves which are symmetrically distributed in the left-right direction by taking the vertical limiting grooves as centers.

Preferably, vertical stoppers are installed at the front end and the rear end of the vertical driving block, the vertical stoppers are connected with the vertical limiting groove in a sliding manner, and transverse stoppers are installed at the front end and the rear end of the transverse driving block and connected with the transverse limiting groove in a sliding manner.

Preferably, the lower part of the fixing plate is provided with a fastening bolt, the fastening bolt is in threaded connection with the screw hole, the inner side surface of the fixing plate is provided with a non-slip mat, the friction coefficient between the fixing plate and a workpiece is increased through the non-slip mat, and the clamping stability is improved.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the hydraulic cylinder is matched with the driving mechanism to realize the transverse movement of the movable plate, and then the clamping and fixing of the workpiece are realized through the movable plate and the fixed plate, when the clamp is used, the workpiece is firstly placed between the fixed plate and the movable plate, then the hydraulic cylinder is started, the output end of the hydraulic cylinder is contracted to drive the vertical driving block to ascend, the vertical driving block moves upwards along the vertical limiting groove, meanwhile, the vertical driving block drives the two transverse driving blocks to synchronously move away, the transverse driving block drives the movable plate to move close to the fixed plate through the movable block and the connecting seat until the movable plate and the fixed plate are firmly contacted with the workpiece, the clamping purpose of the workpiece is finished, at most, the two workpieces can be synchronously clamped, the clamping quantity is increased, the whole clamp only has one hydraulic cylinder and one power source device, the structure is compact, the occupied area is small, the manufacturing cost is low, and the clamp is beneficial to popularization and application;

2. through bolt fixed connection between fly leaf and the connecting seat, through fastening bolt fixed connection between fixed plate and the curb plate, change can all be dismantled to fixed plate and fly leaf promptly, is convenient for change fly leaf or the fixed plate of different shapes according to the actual appearance of work piece, has improved the practicality, is convenient for adjust the position of fixed plate through setting up the multiunit screw, has adjusted the distance between fixed plate and the fly leaf promptly, is convenient for according to the actual size adjustment of work piece, has further improved the practicality.

Drawings

FIG. 1 is a schematic view of the overall structure of an automatic clamp for a CNC machine tool of the present invention;

fig. 2 is a schematic view of the overall structure of the driving mechanism of the automatic clamp of the numerical control machine tool of the present invention;

FIG. 3 is a schematic view of the whole structure of a side plate of the automatic clamp for the CNC machine tool of the present invention;

fig. 4 is a detailed structural schematic diagram of the driving mechanism of the automatic clamp of the numerical control machine tool according to the present invention;

fig. 5 is the utility model relates to an overall structure schematic diagram of the fixed plate of automatic clamp of numerical control machine tool.

In the figure: 1. mounting blocks; 2. a side plate; 3. a base plate; 4. a through hole; 5. mounting a plate; 6. a fixing plate; 7. a movable plate; 8. a drive mechanism; 9. a hydraulic cylinder; 11. a screw hole; 12. mounting grooves; 21. a vertical limiting groove; 22. a transverse limiting groove; 31. a vertical driving block; 32. a transverse driving block; 33. a moving block; 34. a connecting seat; 41. a vertical limiting block; 42. a transverse limiting block; 51. fastening a bolt; 52. a non-slip mat.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in fig. 1-5, an automatic clamp of a numerical control machine tool, including installation piece 1, curb plate 2 is all installed to installation piece 1 front end and rear end, bottom plate 3 is all installed to the one end that two curb plates 2 kept away from each other, open at bottom plate 3 upper end has a plurality of through-hole 4, install mounting panel 5 between two curb plates 2 jointly, pneumatic cylinder 9 is installed to mounting panel 5 upper end, installation piece 1 upper end is provided with two fly leafs 7, two fly leafs 7 use pneumatic cylinder 9 to be bilateral symmetry distribution as the center, installation piece 1 is inside to be provided with actuating mechanism 8, actuating mechanism 8 is connected with two fly leafs 7 are all driven, pneumatic cylinder 9 output runs through mounting panel 5 and is connected with actuating mechanism 8 transmission, installation piece 1 upper end is provided with two fixed plates 6, two fixed plates 6 are located two fly leafs 7 outsides respectively.

Two sets of screw holes 11 are opened to curb plate 2 upper end, and two sets of screw holes 11 are bilateral symmetry and distribute, and every group screw hole 11 all is provided with a plurality of, and a plurality of screw hole 11 is linear array and distributes, and open at 1 upper end middle part of installation piece has mounting groove 12, screw hole 11 and fastening bolt 51 phase-match.

The driving mechanism 8 comprises a vertical driving block 31, the upper end of the vertical driving block 31 is fixedly connected with the output end of the hydraulic cylinder 9, the vertical driving block 31 is of an isosceles trapezoid structure, the left and right inclined surfaces of the vertical driving block 31 are both connected with a transverse driving block 32 in a sliding manner, the transverse driving block 32 is of a right-angled triangle structure, a moving block 33 is mounted at the upper end of the transverse driving block 32, a connecting seat 34 is mounted at the upper end of the moving block 33, the connecting seat 34 is fixedly connected with the movable plate 7 through a bolt, in an initial state, the upper end surface of the vertical driving block 31 is flush with the upper end surface of the transverse driving block 32, the moving block 33 is in close contact with the mounting plate 5, at the moment, the distance between the movable plate 7 and the fixing plate 6 on the same side is the largest, and a workpiece can be placed conveniently; in the final state, the vertical driving block 31 is driven by the hydraulic cylinder 9 to move upwards until the upper end surface of the vertical driving block contacts with the lower end surface of the mounting plate 5, at this time, the two horizontal driving blocks 32 both move along the horizontal limiting groove 22 and towards the direction far away from the vertical driving block 31 until the moving block 33 contacts with the side wall of the mounting groove 12, and at this time, the distance between the movable plate 7 and the fixed plate 6 on the same side is shortest.

One end of the side plate 2 close to the mounting block 1 is provided with a vertical limiting groove 21 and a horizontal limiting groove 22, the horizontal limiting grooves 22 are provided with two groups, and the two groups of horizontal limiting grooves 22 are distributed in a bilateral symmetry mode by taking the vertical limiting groove 21 as the center.

Vertical stopper 41 is all installed to vertical drive block 31 front end and rear end, vertical stopper 41 and vertical spacing groove 21 sliding connection, and horizontal stopper 42 is all installed to horizontal drive block 32 front end and rear end, horizontal stopper 42 and horizontal spacing groove 22 sliding connection.

The fastening bolt 51 is arranged at the lower part of the fixing plate 6, the fastening bolt 51 is in threaded connection with the screw hole 11, the anti-skid pad 52 is arranged on the inner side surface of the fixing plate 6, the friction coefficient between the fixing plate 6 and a workpiece is increased through the anti-skid pad 52, and the clamping stability is improved.

It should be noted that, the utility model relates to an automatic clamp of numerical control machine tool, through setting up pneumatic cylinder 9 cooperation actuating mechanism 8 and realized the lateral shifting of fly leaf 7, the centre gripping of work piece is fixed to realized through fly leaf 7 and fixed plate 6 again, during the use, at first place the work piece between fixed plate 6 and fly leaf 7, then start hydraulic cylinder 9, pneumatic cylinder 9 output contracts and drives vertical drive block 31 and rise, vertical drive block 31 moves up along vertical spacing groove 21, simultaneously, vertical drive block 31 drives two lateral drive blocks 32 and does the synchronous motion of keeping away from, lateral drive block 32 drives fly leaf 7 through movable block 33 and connecting seat 34 and does the motion of being close to fixed plate 6 direction, until fly leaf 7 and fixed plate 6 all firmly contact with the work piece, accomplish the centre gripping purpose of work piece, and can carry out the synchronous centre gripping to two work pieces at most, the centre gripping quantity has been improved, whole clamp only has pneumatic cylinder 9 a power source equipment, compact structure, the area is little, low in manufacturing cost, do benefit to popularization and application; through bolt fixed connection between fly leaf 7 and the connecting seat 34, through fastening bolt 51 fixed connection between fixed plate 6 and the curb plate 2, fixed plate 6 and fly leaf 7 all can be dismantled promptly and change, be convenient for change fly leaf 7 or fixed plate 6 of different shapes according to the actual appearance of work piece, improved the practicality, be convenient for adjust the position of fixed plate 6 through setting up multiunit screw 11, adjusted the distance between fixed plate 6 and the fly leaf 7 promptly, be convenient for according to the actual size adjustment of work piece, further improved the practicality.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an automatic anchor clamps of numerical control machine tool, includes installation piece (1), its characterized in that: curb plate (2), two are all installed to installation piece (1) front end and rear end curb plate (2) one end of keeping away from each other all installs bottom plate (3), open bottom plate (3) upper end has a plurality of through-hole (4), two install mounting panel (5) between curb plate (2) jointly, pneumatic cylinder (9) are installed to mounting panel (5) upper end, installation piece (1) upper end is provided with two fly leaves (7), two fly leaf (7) use pneumatic cylinder (9) to be bilateral symmetry distribution as the center, installation piece (1) inside is provided with actuating mechanism (8), actuating mechanism (8) are connected with the equal transmission of two fly leaves (7), pneumatic cylinder (9) output runs through mounting panel (5) and is connected with actuating mechanism (8) transmission, installation piece (1) upper end is provided with two fixed plate (6), two fixed plate (6) are located two fly leaf (7) outsides respectively.

2. The automatic clamp of the numerical control machine tool according to claim 1, characterized in that: curb plate (2) upper end is opened there are two sets of screw (11), and is two sets of screw (11) are bilateral symmetry and distribute, every group screw (11) all are provided with a plurality of, and a plurality of screw (11) are linear array and distribute, installation piece (1) upper end middle part is opened there is mounting groove (12).

3. The automatic clamp of the numerical control machine tool according to claim 2, characterized in that: actuating mechanism (8) are including vertical drive piece (31), vertical drive piece (31) upper end and pneumatic cylinder (9) output fixed connection, vertical drive piece (31) are the isosceles trapezoid structure, the equal sliding connection in vertical drive piece (31) left and right-hand member inclined plane has horizontal drive piece (32), horizontal drive piece (32) are the right angled triangle structure, movable block (33) are installed to horizontal drive piece (32) upper end, connecting seat (34) are installed to movable block (33) upper end, connecting seat (34) are through bolt and fly leaf (7) fixed connection.

4. The automatic clamp of the numerical control machine tool according to claim 3, characterized in that: curb plate (2) are close to the one end of installation piece (1) and open and have vertical spacing groove (21) and horizontal spacing groove (22), horizontal spacing groove (22) are provided with two sets ofly, and are two sets of horizontal spacing groove (22) use vertical spacing groove (21) to be bilateral symmetry distribution as the center.

5. The automatic clamp for numerical control machine tool according to claim 4, characterized in that: vertical stopper (41) are all installed to vertical drive piece (31) front end and rear end, vertical stopper (41) and vertical spacing groove (21) sliding connection, horizontal stopper (42) are all installed to horizontal drive piece (32) front end and rear end, horizontal stopper (42) and horizontal spacing groove (22) sliding connection.

6. The automatic clamp of the numerical control machine tool according to claim 5, characterized in that: the fixing plate is characterized in that a fastening bolt (51) is arranged on the lower portion of the fixing plate (6), the fastening bolt (51) is in threaded connection with the screw hole (11), and a non-slip mat (52) is installed on the inner side face of the fixing plate (6).