CN216503657U

CN216503657U - Numerical control machine tool clamping equipment

Info

Publication number: CN216503657U
Application number: CN202123122222.5U
Authority: CN
Inventors: 喻泽先; 张徐涛; 褚勇; 林硕; 李春鑫; 权紫晴; 赵旭
Original assignee: Anhui University of Science and Technology
Current assignee: Anhui University of Science and Technology
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-05-13
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a numerical control machine tool clamping device, which relates to the technical field of numerical control machines and comprises an installation table, a support frame and a numerical control graver assembly, wherein the installation table is hollow, the support frame is fixedly arranged on one side of the installation table, the numerical control graver assembly is slidably arranged on one side of the installation table, and a clamping mechanism is fixedly arranged in an inner cavity of the installation table. Above-mentioned scheme, the output that drives actuating cylinder moves to the direction of first guide bar, and then the drive is fixed in the second pinch-off blades that drives actuating cylinder output one side and carries out equidirectional removal to the direction of first guide bar, at second pinch-off blades removal in-process, install in the ring gear and the meshing of first sliding tooth board of standing groove base one side, and then drive and rotate the ring gear of installing in standing groove base one side and rotate, through mutually supporting between gear and the rack, it is strong to make linkage nature between the structure, need not to add other equipment and drive, when having saved the production cost, carry out the synchronizing center location.

Description

Numerical control machine tool clamping equipment

Technical Field

The utility model relates to the technical field of numerical control machines, in particular to a numerical control machine clamping device.

Background

The numerical control machine tool is an automatic machine tool provided with a program control system, well solves the problem of complex, precise, small-batch and multi-variety part processing, is a flexible and high-efficiency automatic machine tool, represents the development direction of modern machine tool control technology, and is a typical mechanical and electrical integration product.

When the existing numerical control machine tool is used for processing products, the products are mostly clamped by single clamping equipment and cannot adapt to products with different thicknesses and lengths.

The retrieved Chinese patent CN212946682U discloses a numerical control machine tool clamping device, which discloses that a motor can drive two threaded rods to rotate, and the two threaded rods are opposite in thread direction, so that a mounting plate can be driven to move relatively, thereby driving a circular groove body at the tail end of a first hydraulic oil cylinder to move inwards, a second hydraulic oil cylinder fixedly mounted in the circular groove body drives an arc-shaped plate to move inwards, and three arc-shaped plates are matched with each other to clamp a product;

above-mentioned scheme involves double dynamical actuating system, motor and hydraulic cylinder promptly, but there is following problem in the use, the motor drives the screw rod and rotates, because the product is processing line formula production mode man-hour, it is incessant in the drive process, lead to the friction gap between screw rod and the mounting panel to increase, lead to practical cost too high with hydraulic cylinder drive cooperation simultaneously, only make up the use to different products, can't carry out the low-cost efficient and press from both sides tight mode, can't carry out mechanical forced transmission simultaneously, the center can't carry out the accurate alignment.

Therefore, the application provides a digit control machine tool clamping equipment satisfies the demand.

SUMMERY OF THE UTILITY MODEL

An object of the present application is to provide a numerically controlled machine tool clamping device to solve the problems set forth in the background above.

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

the numerical control machine tool clamping equipment comprises an installation table, a support frame and a numerical control graver assembly, wherein the installation table is internally in a cavity shape, the support frame is fixedly installed on one side of the installation table, the numerical control graver assembly is slidably installed on one side of the installation table, and a clamping mechanism is fixedly installed in an inner cavity of the installation table;

the clamping mechanism comprises a driving cylinder, a fixing plate and a locking platform, one side of the driving cylinder is fixedly arranged on one side of the fixing plate, one side of the locking platform is arranged on one side of the mounting platform, sliding grooves are symmetrically formed in the surface of the locking platform, a first guide rod is slidably arranged on one side of the fixing plate, the first guide rod is symmetrically arranged along the center line of the fixing plate, a second guide rod is slidably arranged on one side of the fixing plate, the second guide rod is symmetrically arranged along the center line of the fixing plate, a second clamping plate is fixedly arranged at the output end of the driving cylinder, rectangular grooves matched with the second clamping plate are symmetrically formed in the surface of the fixing plate, and a ring gear is rotatably arranged on one side of the fixing plate;

one side slidable mounting of fixed plate has first clamp plate, one side of first clamp plate with one side of fixed plate is slider groove assembly structure, the connecting plate is installed respectively to one side of first clamp plate and second clamp plate, the connecting plate of one side of first clamp plate and the connecting plate of second clamp plate one side are diagonal form, first sliding tooth plate and second sliding tooth plate are installed to one side of connecting plate symmetry respectively, the absorption dish is installed respectively to one side of first clamp plate and second clamp plate, the standing groove base is installed to one side of mount table, the surface at the standing groove base is seted up to the sliding groove symmetry.

Preferably, a sliding assembly is slidably mounted on one side of the numerical control nicking tool assembly, the sliding assembly is connected with the numerical control nicking tool assembly, a placing groove is mounted on one side of the mounting table, and the first clamping plate and the second clamping plate are symmetrically slidably mounted on two sides of the placing groove.

Preferably, the two sides of the first clamping plate and the second clamping plate are respectively provided with a sliding sleeve, the sliding sleeves are respectively slidably arranged on the surfaces of the second guide rods and the first guide rods, the number of the second guide rods and the number of the first guide rods are two, one group of the second guide rods are arranged on one side of the fixing plate, and the other group of the first guide rods are arranged on the other side of the fixing plate.

Preferably, the second sliding tooth plate and the first sliding tooth plate are symmetrically installed along a central point of the ring gear, the surface of the ring gear is respectively meshed with the racks on one side of the first sliding tooth plate and the second sliding tooth plate, and lubricating grease is smeared at the meshed position.

Preferably, the guide way has been seted up to the bilateral symmetry of mount table, the guide block is installed respectively to the inside of guide way, and the quantity of guide block is two sets of, the guide block respectively with one side of support frame is connected, and runs through the inside of mount table the opposite side slidable mounting of support frame in the surface of mount table, the extensible member is installed to one side of mount table.

Preferably, the output end of the telescopic piece penetrates through the inside of the mounting table and one side of the guide block and is fixedly connected with the other side of the inside of the mounting table, a sliding rod is mounted on the other side of the inside of the mounting table, penetrates through the other guide block and is fixedly mounted in the inside of the mounting table.

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

1. in the scheme, the output end of the driving cylinder moves towards the direction of the first guide rod to further drive the second clamping plate fixed on one side of the output end of the driving cylinder to move in an equidirectional manner towards the direction of the first guide rod, in the moving process of the second clamping plate, two sides of the second clamping plate respectively slide on the surfaces of the second guide rods on two sides of the fixed plate through the sliding sleeves to guide the moving direction of the second clamping plate, the connecting plate fixed on one side of the second clamping plate and one side of the first sliding toothed plate are installed, the second clamping plate is connected with the connecting plate through bolts, when the second clamping plate is driven to slide along the direction of the first guide rod by the movement from the output end of the driving cylinder, the connecting plate and the first sliding toothed plate are further driven to move in an equidirectional manner towards the direction of the first guide rod, and the ring gear installed on one side of the base of the placing groove is meshed with the first sliding toothed plate, and then drive and rotate the ring gear who installs in standing groove base one side and rotate, through mutually supporting between gear and the rack, make linkage nature strong between the structure, need not to add other equipment and drive, when having saved the production cost, carry out the synchronous center location.

2. In the scheme, when the ring gear is engaged with one side of the ring gear to rotate by the movement of the first sliding toothed plate, the surface of the other side of the ring gear and the second sliding toothed plate perform reverse movement, one side of the first clamping plate is slidably mounted on the surfaces of the two groups of first guide rods through the sliding sleeve and is connected with one side of the second sliding toothed plate through the connecting plate, so that one side of the ring gear is rotationally engaged to drive one side of the second sliding toothed plate to perform reverse movement relative to the position of the first sliding toothed plate, the first clamping plate is driven to move along the direction of the second guide rods, workpieces fixed in the placing groove are clamped in two directions on two sides of the placing groove, the movement levels of the first clamping plate and the second clamping plate are always clamped in relative positions, the clamping force is uniform, and the driving of a single driving cylinder reduces the operation cost of the equipment, the matching mode of the traditional motor screw rod is replaced, the first sliding toothed plate and the second sliding toothed plate drive the second clamping plate and the first clamping plate to be in opposite mechanical linkage, the workpiece clamped symmetrically is further firmer, and the center alignment is more accurate.

Drawings

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

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

FIG. 2 is a schematic structural view of an overall side section of the present invention;

FIG. 3 is a schematic view of the clamping mechanism of the present invention;

FIG. 4 is a side view of the clamping mechanism of the present invention;

FIG. 5 is a schematic diagram of the movement locus structure of the first and second clamping plates according to the present invention;

FIG. 6 is a schematic view of the sliding structure of the driving support frame according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a mounting table; 2. a support frame; 3. a numerical control nicking tool component; 4. a sliding assembly; 5. a sliding groove; 6. a placement groove; 7. a clamping mechanism; 8. a connecting plate; 9. a ring gear; 10. a placement groove base; 71. a driving cylinder; 72. a fixing plate; 73. a locking table; 74. a first guide bar; 75. a second guide bar; 76. a first clamping plate; 77. a second clamping plate; 78. a first sliding toothed plate; 79. a second sliding toothed plate.

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.

In this embodiment, referring to fig. 1 to 5, a clamping apparatus of a numerical control machine tool includes a mounting table 1, a supporting frame 2, and a numerical control nicking tool assembly 3, where the inside of the mounting table 1 is a cavity, the supporting frame 2 is fixedly mounted on one side of the mounting table 1, and the numerical control nicking tool assembly 3 is slidably mounted on one side of the mounting table 1, and is characterized in that: a clamping mechanism 7 is fixedly arranged in the inner cavity of the mounting table 1;

the clamping mechanism 7 comprises a driving cylinder 71, a fixing plate 72 and a locking platform 73, one side of the driving cylinder 71 is fixedly arranged on one side of the fixing plate 72, one side of the locking platform 73 is arranged on one side of the mounting platform 1, the surface of the locking platform 73 is symmetrically provided with sliding grooves 5, one side of the fixing plate 72 is slidably provided with a first guide rod 74, the first guide rod 74 is symmetrically arranged along the center line of the fixing plate 72, one side of the fixing plate 72 is slidably provided with a second guide rod 75, the second guide rod 75 is symmetrically arranged along the center line of the fixing plate 72, the output end of the driving cylinder 71 is fixedly provided with a second clamping plate 77, the surface of the fixing plate 72 is symmetrically provided with a rectangular groove matched with the second clamping plate 77, and one side of the fixing plate 72 is rotatably provided with a ring gear 9;

a first clamping plate 76 is slidably mounted on one side of the fixed plate 72, a slider groove assembly structure is formed on one side of the first clamping plate 76 and one side of the fixed plate 72, connecting plates 8 are respectively mounted on one sides of the first clamping plate 76 and the second clamping plate 77, the connecting plates 8 on one sides of the first clamping plate 76 and the second clamping plate 77 are diagonal, a first sliding toothed plate 78 and a second sliding toothed plate 79 are respectively symmetrically mounted on one side of the connecting plates 8, the surface of the ring gear 9 is respectively meshed with racks on one sides of the first sliding toothed plate 78 and the second sliding toothed plate 79, adsorption discs are respectively mounted on one sides of the first clamping plate 76 and the second clamping plate 77, a placing groove base 10 is mounted on one side of the mounting table 1, and the sliding grooves 5 are symmetrically formed on the surface of the placing groove base 10.

In the scheme, when equipment requiring numerical control engraving is fixed inside the placing groove 6, the driving cylinder 71 is started to work, the output end of the driving cylinder 71 moves towards the direction of the first guide rod 74 shown in fig. 3, and then the second clamping plate 77 fixed on one side of the output end of the driving cylinder 71 is driven to move in an equal direction towards the direction of the first guide rod 74, in the moving process of the second clamping plate 77, two sides of the second clamping plate 77 respectively slide on the surfaces of the second guide rods 75 on two sides of the fixing plate 72 through sliding sleeves to guide the moving direction of the second clamping plate 77, the connecting plate 8 fixed on one side of the second clamping plate 77 and one side of the first sliding tooth plate 78 are installed, the second clamping plate 77 is connected with the connecting plate 8 through bolts, and when the second clamping plate 77 is driven by the movement from the output end of the driving cylinder 71 to slide along the direction of the first guide rod 74, and further drive the connecting plate 8 and the first sliding tooth plate 78 to move in the same direction towards the first guide rod 74, the ring gear 9 mounted on one side of the placing groove base 10 is meshed with the first sliding tooth plate 78, and further drive the ring gear 9 rotatably mounted on one side of the placing groove base 10 to rotate, when the ring gear 9 is rotated by one side of the first sliding tooth plate 78 moving to be meshed with the ring gear 9, the surface of the other side of the ring gear 9 and the second sliding tooth plate 79 move in the opposite direction, because one side of the first clamping plate 76 is slidably mounted on the surfaces of the two groups of first guide rods 74 through the sliding sleeve, and is connected through one sides of the connecting plate 8 and the second sliding tooth plate 79, the connecting mode of the connecting plate 8 and the second sliding tooth plate 79 is equal to the connecting mode of the first sliding tooth plate 78 and the connecting plate 8, and further drive one side of the second sliding tooth plate 79 to enter the position of the first sliding tooth plate 78 through one side rotating and meshing of the ring gear 9 Relative reverse motion, and then drive first clamp plate 76 and move along the direction of second guide bar 75, advance to carry out two-way the clamp to the work piece that is fixed in inside of standing groove 6 in the both sides of standing groove 6, make the removal level of first clamp plate 76 and second clamp plate 77 be in the clamp of relative position all the time, and the atress is even, the drive of single actuating cylinder 71 has reduced the cost of equipment operation, the cooperation mode of traditional motor screw has been replaced, first sliding tooth plate 78 and second sliding tooth plate 79 drive second clamp plate 77 and the linkage mode of first clamp plate 76 subtend mechanical type, make the tight work piece of symmetry firm more, the center is aimed at more accurately.

As a preferred embodiment in this embodiment, sliding wheels are respectively installed on two sides of the first sliding toothed plate 78 and the second sliding toothed plate 79, the first sliding toothed plate 78 and the second sliding toothed plate 79 are abutted and guided, a sliding assembly 4 is slidably installed on one side of the numerical control nicking tool assembly 3, the sliding assembly 4 and the numerical control nicking tool assembly 3 are connected to perform transverse position adjustment on the numerical control nicking tool assembly 3, the sliding assembly 4 is a cylinder slide bar assembly structure, a placing groove 6 is installed on one side of the mounting table 1, a first clamping plate 76 and a second clamping plate 77 are symmetrically slidably installed on two sides of the placing groove 6, a workpiece to be clamped is fixed inside the placing groove 6, and the first clamping plate 76 and the second clamping plate 77 clamp the workpiece installed inside the placing groove 6.

As a preferred embodiment in this embodiment, sliding sleeves are respectively installed on both sides of the first clamping plate 76 and the second clamping plate 77, the sliding sleeves are respectively installed on the surfaces of the second guide rod 75 and the first guide rod 74 in a sliding manner, the number of the second guide rod 75 and the first guide rod 74 is two, one set of the second guide rod 75 is installed on one side of the fixing plate 72, and the other set of the first guide rod 74 is installed on the other side of the fixing plate 72, so as to perform bidirectional limiting on the sliding direction of the first clamping plate 76 and the second clamping plate 77.

As a preferred embodiment in this embodiment, the second sliding tooth plate 79 and the first sliding tooth plate 78 are symmetrically installed along a central point of the ring gear 9, the surface of the ring gear 9 is respectively engaged with the racks on one side of the first sliding tooth plate 78 and the second sliding tooth plate 79 in parallel, and lubricating grease is applied to the engaged positions, so as to increase the sliding between the first sliding tooth plate 78 and the second sliding tooth plate 79 and the ring gear 9, wherein the lubricating grease is grease, guide grooves are symmetrically formed on both sides of the mounting table 1, guide blocks are respectively installed inside the guide grooves, the number of the guide blocks is two, the guide blocks are respectively connected with one side of the support frame 2, and the other side of the inner support frame 2 penetrating through the mounting table 1 is slidably installed on the surface of the mounting table 1, a telescopic piece is installed on one side of the mounting table 1, the output end of the telescopic piece penetrates through the inside of the mounting table 1 and is fixedly connected with one side of one group of the guide blocks, the slide bar is installed to the inside opposite side of mount table 1, runs through another group of guide block, and fixed mounting is in the inside of mount table 1, drives the inside slip of guide block at the guide way through the output drive of extensible member, and then takes support frame 2 of mount table 1 both sides to carry out the removal along the output direction equidirectional of extensible member.

Wherein, the expansion part includes but not limited to cylinder, pneumatic cylinder, electric cylinder, preferably the cylinder, and pneumatic equipment is elastic because the gas is compressible, and the action is soft and can tolerate and cushion a certain amount of backward promotion of load, guarantees support frame 2 compliance in the slip process.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a digit control machine tool clamping equipment, includes mount table (1), support frame (2) and numerical control burin subassembly (3), the inside of mount table (1) is the cavity form, support frame (2) fixed mounting in one side of mount table (1), numerical control burin subassembly (3) slidable mounting in one side of mount table (1), its characterized in that: a clamping mechanism (7) is fixedly arranged in the inner cavity of the mounting table (1);

the clamping mechanism (7) comprises a driving cylinder (71), a fixing plate (72) and a locking table (73), one side of the driving cylinder (71) is fixedly installed on one side of the fixing plate (72), one side of the locking table (73) is installed on one side of the installation table (1), a sliding groove (5) is symmetrically formed in the surface of the locking table (73), a first guide rod (74) is slidably installed on one side of the fixing plate (72), the first guide rod (74) is symmetrically installed along the center line of the fixing plate (72), a second guide rod (75) is slidably installed on one side of the fixing plate (72), the second guide rod (75) is symmetrically installed along the center line of the fixing plate (72), a second clamping plate (77) is fixedly installed at the output end of the driving cylinder (71), and a rectangular groove matched with the second clamping plate (77) is symmetrically formed in the surface of the fixing plate (72), a ring gear (9) is rotatably arranged on one side of the fixed plate (72);

one side slidable mounting of fixed plate (72) has first pinch plate (76), one side of first pinch plate (76) with one side of fixed plate (72) is slider groove assembly structure, connecting plate (8) are installed respectively to one side of first pinch plate (76) and second pinch plate (77), connecting plate (8) of connecting plate (76) one side and connecting plate (8) of second pinch plate (77) one side are diagonal form, first sliding tooth plate (78) and second sliding tooth plate (79) are installed to one side of connecting plate (8) symmetry respectively, the adsorption disc is installed respectively to one side of first pinch plate (76) and second pinch plate (77), standing groove base (10) is installed to one side of mount table (1), sliding groove (5) symmetry is seted up in the surface of standing groove base (10).

2. The numerical control machine tool clamping device according to claim 1, characterized in that: one side slidable mounting of numerical control burin subassembly (3) has slip subassembly (4), slip subassembly (4) and numerical control burin subassembly (3) are connected, standing groove (6) are installed to one side of mount table (1), first clamp plate (76) and second clamp plate (77) symmetry slidable mounting in the both sides of standing groove (6).

3. The numerical control machine tool clamping device according to claim 2, characterized in that: the sliding sleeves are installed on two sides of the first clamping plate (76) and the second clamping plate (77) respectively, the sliding sleeves are installed on the surfaces of the second guide rods (75) and the first guide rods (74) respectively in a sliding mode, the number of the second guide rods (75) and the number of the first guide rods (74) are two, one set of the second guide rods (75) are installed on one side of the fixing plate (72), and the other set of the first guide rods (74) are installed on the other side of the fixing plate (72).

4. The numerical control machine tool clamping device according to claim 1, characterized in that: the second sliding toothed plate (79) and the first sliding toothed plate (78) are symmetrically installed along the central point of the ring gear (9), the surface of the ring gear (9) is meshed with the racks on one sides of the first sliding toothed plate (78) and the second sliding toothed plate (79) respectively, and lubricating grease is smeared at the meshing position.

5. The numerical control machine tool clamping device according to claim 1, characterized in that: the guide way has been seted up to the bilateral symmetry of mount table (1), the guide block is installed respectively to the inside of guide way, and the quantity of guide block is two sets of, the guide block respectively with one side of support frame (2) is connected, and runs through the inside of mount table (1) the opposite side slidable mounting of support frame (2) in the surface of mount table (1), the extensible member is installed to one side of mount table (1).

6. The numerical control machine tool clamping device according to claim 5, characterized in that: the output end of the telescopic piece penetrates through the inside of the mounting table (1) and is fixedly connected with one side of the guide block, the slide rod is mounted on the other side of the inside of the mounting table (1) and penetrates through the other group of the guide block, and the telescopic piece is fixedly mounted in the inside of the mounting table (1).