CN220217613U - Hydraulic clamp for CNC product machining - Google Patents

Abstract

The utility model belongs to the technical field of CNC clamps, and particularly relates to a hydraulic clamp for machining CNC products, which comprises a mounting seat, a working panel and a clamping structure. The hydraulic pressure is used as a power source to drive the clamp to clamp, so that the effect of ensuring that the workpiece is not deviated and can be rapidly positioned while the longer workpiece is clamped is achieved.

Description

Hydraulic clamp for CNC product machining

Technical Field

The utility model belongs to the technical field of CNC clamps, and particularly relates to a hydraulic clamp for machining CNC products.

Background

With the rapid development of social economy, CNC jigs play an increasing role in the process of device production, and CNC jigs are devices for fixing a machining object in a machine manufacturing process so as to occupy a correct position to receive construction or detection, and in a broad sense, devices for rapidly, conveniently and safely mounting workpieces in any process in a technological process can be called CNC jigs.

Compared with the prior art, when the longer work piece is processed, because of work piece length reason, make work piece rigidity not enough, when the clamping is fixed, fixed point is not enough, and work piece centre gripping easily squints, influences the dimensional accuracy after processing, still needs operating personnel to adjust the calibration repeatedly, inefficiency.

Disclosure of Invention

The utility model aims to solve the technical problems, and provides the hydraulic clamp for CNC product machining, which achieves the effects of taking hydraulic pressure as a power source to drive the clamp to clamp, realizing clamping of a longer workpiece, ensuring that the workpiece does not deviate, and being capable of being positioned quickly.

In view of this, the present utility model provides a hydraulic clamp for machining CNC products, the hydraulic clamp comprising a mounting seat, a working panel and a clamping structure, characterized in that the clamping structure comprises a positioning plate, a clamping plate and a hydraulic cylinder,

the hydraulic cylinder is arranged along the length direction of the working panel and fixed on the mounting seat, a positioning plate parallel to the side face of the working panel is arranged on the other side of the working panel, the protruding height of the positioning plate is higher than that of the upper surface of the working panel, an output shaft of the hydraulic cylinder is connected with a clamping plate, and the clamping plate is arranged above the working panel.

In this technical scheme, work panel fixes in the top of mount pad, and one side along work panel length direction is fixed to be provided with the locating plate, the locating plate highly is higher than work panel's upper surface, work panel length direction's opposite side is provided with a plurality of pneumatic cylinders, the output shaft and the clamping plate of pneumatic cylinder are connected, can make the clamping plate remove in work panel top, just the clamping plate is on a parallel with the locating plate, when pressing from both sides the work piece, can increase the area of work piece and stress point, makes the work piece be difficult for the perk when processing, improves the machining precision of product, has promoted the quality of product. The adoption of hydraulic pressure as a driving source is beneficial to improving the stability of the clamp, improving the production quality of workpieces, reducing the possibility that the workpieces are separated from the clamp, and causing damage to the inside of CNC equipment or endangering the safety of operators.

Furthermore, the locating plate is L-shaped, the long side of the locating plate is fixed on the side face of the length direction of the working panel, and the short side of the locating plate is fixed at the end part of the working panel.

In the technical scheme, the locating plate arranged at the end part of the working panel can limit the front and rear positions of the workpiece, is beneficial to reducing the time spent on tool setting of the same workpiece, and improves the production efficiency of the workpiece.

Further, the hydraulic cylinder comprises a first hydraulic cylinder and a second hydraulic cylinder, wherein the first hydraulic cylinder is arranged on the side edge of the length direction of the working panel and is oppositely arranged with the long edge of the positioning plate, and the second hydraulic cylinder is arranged on the end face of the working panel and is oppositely arranged with the short edge of the positioning plate.

In this technical scheme, first pneumatic cylinder sets up in work panel length direction's side, and sets up for opposition with the locating plate long limit, can press from both sides tightly along the length direction of work piece to cooperate with the locating plate, be favorable to work piece length direction to receive even clamping force, the second pneumatic cylinder sets up in work panel's terminal surface, and sets up for opposition with the locating plate minor face, can restrict work piece and displacement, has promoted the production quality of product.

Further, the clamping structure sequentially comprises a top module, a middle module and a tail module which are detachably connected with each other along the length direction of the mounting seat, wherein the number of the middle modules is greater than or equal to one.

In this technical scheme, the top module is fixed at the front end of mount pad, be provided with the minor face of locating plate and the first pneumatic cylinder of at least one department on the top module, middle module sets up between top module and afterbody module, through the length of work piece, adjusts the quantity of middle module, makes the work piece length direction on can receive a even clamping force, just be provided with a first pneumatic cylinder on the middle module at least, the afterbody module sets up behind the middle module, the terminal surface of work panel is provided with the first pneumatic cylinder of second pneumatic cylinder and at least one department on the afterbody module, through adjusting the quantity of middle module, is favorable to increasing the scope that anchor clamps can the centre gripping work piece size, reduces the extravagant time of anchor clamps because of the different changes of work piece length, is favorable to promoting the efficiency of production.

Further, the mount pad includes, the base, the mounting panel, fixed knot constructs, the base is used for bearing above-mentioned module, and above-mentioned module is sliding connection with the base, the mounting panel is the load-bearing part of above-mentioned module, fixed knot constructs, sets up between mounting panel and base for the position of fixed mounting panel on the base.

In this technical scheme, can slide on the base and set up a plurality of modules, the module is connected with the module, forms a length controllable hydraulic clamp, and can make the work piece receive even clamping force when pressing from both sides tightly, avoids work piece length on a certain section because of not receiving clamping force, and the production warp, improves the yield of product.

Further, fixed knot constructs including, left slider, right slider, goes up the spout, lower spout, fastening structure, go up the spout setting at mounting panel both sides limit, lower spout setting is parallel arrangement at the both sides limit of base, and with last lower spout, right slider top half is fixed on the mounting panel, and lower half is sliding connection with lower spout, left slider is connected with fastening structure, fastening structure can adjust the distance between left slider and the right slider.

In this technical scheme, the mounting panel is provided with upper and lower spout with the length direction both sides limit of base, right slider passes through the fix with screw on the mounting panel, and the arch of right slider below sets up in lower spout, left slider passes through fastening structure, adjusts the distance between left slider and the right slider, promotes the pressure with the base side, realizes pressing from both sides tightly and loosening the base, reaches fixed module's effect, is favorable to accelerating the speed of changing the module, has promoted the efficiency of production.

Furthermore, a positioning structure is arranged at the joint of the modules.

In this technical scheme, left slider and the unnecessary length that the right slider stretches out can slide in the upper and lower spout of next module, fix a position for next module, when making the clamping work piece, the work piece is difficult for warping, improves the machining precision of work piece, promotes the production quality of product.

Further, the upper surface of the base is provided with an anti-slip structure.

In the technical scheme, the anti-slip structure is beneficial to enabling the module to be difficult to move back and forth after being fixed on the base.

Furthermore, an included angle between the locating plate and the upper surface of the working panel is provided with an avoidance groove.

In this technical scheme, dodge the groove setting in locating plate and the contained angle department that work panel was connected out, can reduce because of the remaining burr on the work piece, lead to the clamp force not enough or work piece skew when pressing from both sides tightly, be favorable to reducing the work piece and take place the perk when processing, break away from the phenomenon of anchor clamps, influence product processingquality or harm operating personnel safety and damage processing equipment, can improve the yield of product to and the reliability of anchor clamps when promoting the operation.

Further, a backing plate is arranged on the clamping plate.

In the technical scheme, the backing plate can avoid the clamping plate from scratching the surface after processing, and is beneficial to improving the production quality of products.

The beneficial effects of the utility model are as follows:

1. when the workpiece is clamped, the area of the workpiece and the stress point can be increased, so that the workpiece is not easy to tilt during processing, the processing precision of a product is improved, and the quality of the product is improved.

2. The adoption of hydraulic pressure as a driving source is beneficial to improving the stability of the clamp, improving the production quality of workpieces, reducing the possibility that the workpieces are separated from the clamp, and causing damage to the inside of CNC equipment or endangering the safety of operators.

3. The modularized fixture is beneficial to improving the application range of the dimension of the workable workpiece, reduces the production cost, and can also make the stroke of the CNC machine tool to the greatest extent.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a spliced perspective view of a single intermediate module with the remaining modules of the present utility model;

FIG. 3 is an enlarged partial view of the area A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a perspective view of the top module of the present utility model;

FIG. 5 is a perspective view of an intermediate module of the present utility model;

FIG. 6 is a perspective view of the tail module of the present utility model

FIG. 7 is a perspective view of a workpiece clamp of the present utility model;

the label in the figure is:

1. a mounting base; 2. a base; 3. a mounting plate; 4. a fixed structure; 401. a left slider; 402. a right slider; 403. an upper chute; 404. a lower chute; 405. a fastening structure; 5. a first hydraulic cylinder; 6. a second hydraulic cylinder; 7. a clamping plate; 8. a backing plate; 9. a positioning plate; 10. a work panel; 11. a top module; 12. an intermediate module; 13. a tail module; 14. an anti-slip structure; 15. an avoidance groove; 16. a workpiece.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type and not limited to the number of objects, e.g., the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

It should be noted that, in the description of the present application, the terms "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to an azimuth or a positional relationship based on the azimuth or the positional relationship shown in the drawings, and merely for convenience of description of the present application and simplification of the description, the azimuth terms do not indicate and imply that the apparatus or element referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

It should be noted that, in this application, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Furthermore, it should be noted that the scope of the methods and apparatus in the embodiments of the present application is not limited to performing the functions in the order shown or discussed, but may also include performing the functions in a substantially simultaneous manner or in an opposite order depending on the functions involved, e.g., the described methods may be performed in an order different from that described, and various steps may also be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

Example 1:

as shown in fig. 1 to 7, the present embodiment provides a hydraulic jig for machining CNC products, the hydraulic jig including a mounting base 1, a work panel 10, a clamping structure, characterized in that the clamping structure includes a positioning plate 9, a clamping plate 7, a hydraulic cylinder,

the working panel 10 is fixed above the mounting seat 1, the hydraulic cylinder is arranged along the length direction of the working panel 10 and is fixed on the mounting seat 1, a positioning plate 9 parallel to the side face of the working panel 10 is arranged on the other side of the working panel 10, the protruding height of the positioning plate 9 is higher than that of the upper surface of the working panel 10, an output shaft of the hydraulic cylinder is connected with the clamping plate 7, and the clamping plate 7 is arranged above the working panel 10.

The work panel 10 is fixed in the top of mount pad 1, is provided with locating plate 9 along the fixed one side of work panel 10 length direction with the tip direction, locating plate 9 is the L type, and locating plate 9 long limit is fixed in work panel 10 length direction's side, and locating plate 9 minor face is fixed in work panel tip position. The locating plate 9 forms the contained angle on the work panel 10, makes work piece 16 when the clamping, and same batch work piece 16 only need hug closely the reference angle of work piece 16 with the contained angle that forms, presss from both sides tightly by clamping plate 7 again and just can process, has reduced the time wasted by repeated tool setting, first pneumatic cylinder 5 sets up in work panel 10 length direction's side, and is the opposition setting with locating plate 9 long limit, the output shaft of first pneumatic cylinder 5 is connected with clamping plate 7, be provided with backing plate 8 on the clamping plate 7, backing plate 8 can prevent clamping plate 7 from scraping the surface that the processing was accomplished, is favorable to promoting the production quality of work piece 16, clamping plate 7 and locating plate 9 cooperation to press from both sides the side of work piece 16 length direction, second pneumatic cylinder 6 sets up in work panel 10's terminal surface, and sets up for opposition with locating plate 9 minor face, can restrict work piece and displacement, has promoted the production quality of product, and through stretching out the output shaft, drives clamping plate 7 and promote forward, can restrict work piece 16 and move back on work panel 10, clamping plate 7 is on the side face 9, and is parallel to the face 9, and the work piece 16 is dodged to the work piece 16 when the face is formed to the production quality of work piece 16 is dodged to the side 16, and the work piece 16 is dodged because of the offset is difficult when the face is formed to the work piece 16, and the work piece 16 is difficult to the face is pressed from the face, the work piece 16 has improved the contact with the production quality of the work piece, and 16 when the clamp 16 has improved the work piece is difficult to the face 16, and the work piece 16 has improved the contact with the face 16. The adoption of hydraulic pressure as a driving source is beneficial to improving the stability of the clamp, improving the production quality of products, and reducing the situation that the workpiece 16 possibly breaks away from the clamp to cause damage to the inside of CNC equipment or harm to the safety of operators.

Example 2:

as shown in fig. 1 to 7, the present embodiment provides a hydraulic jig for machining a CNC product, which has the following technical features in addition to the technical scheme including the above embodiment.

The clamp clamping structure is divided into a plurality of modules, each of the plurality of modules comprises a top module 11, a middle module 12 and a tail module 13, the top module 11 is fixed at the forefront end of the mounting seat 1, the short side of the positioning plate 9 and at least one first hydraulic cylinder 5 are arranged on the top module 11, the contained parts can enable the same batch of workpieces 16 to be processed without repeated tool setting, the production efficiency is improved, the middle module 12 is arranged between the top module 11 and the tail module 13, the number of the middle modules 12 is adjusted through the length of the workpieces 16, at least one first hydraulic cylinder 5 is arranged on the middle module 12, so that the workpieces 16 can be subjected to uniform clamping force in the length direction, the tail module 13 is arranged behind the middle module 12, the end face of the working panel 10 on the tail module 13 is provided with a second hydraulic cylinder 6 and at least one first hydraulic cylinder 5, the clamping plate 7 is driven to move through the second hydraulic cylinder 6, the workpieces 16 are limited to move back and forth, and the processing precision is improved. By adjusting the number of the middle modules 12, the range of the sizes of the workpiece 16 clamped by the clamp is increased, the time wasted by changing different clamps due to different lengths of the workpiece 16 is reduced, and the production efficiency is improved.

The top module 11 is fixed at the forefront end of the mounting seat 1, and the mounting seat 1 comprises: a base 2, a mounting plate 3, a fixing structure 4,

the base 2 is used for bearing the modules, the modules are in sliding connection with the base 2, the modules can be arranged on the base 2 in a sliding mode, the modules are connected with the modules to form a hydraulic clamp with controllable clamping length, the workpiece 16 can be enabled to be subjected to uniform clamping force in the length direction when clamped, deformation of a certain section of the workpiece 16 in the length direction due to the fact that the clamping force is not applied is avoided, and the yield of products is improved.

The mounting plate 3, the mounting plate 3 is used for bearing a working panel 10, a clamping structure and a positioning plate 9, the mounting plate 3 is a bottom plate of the module,

the fixed knot constructs 4, fixed knot constructs 4 include, left slider 401, right slider 402, goes up spout 403, lower spout 404, fastening structure 405, go up spout 403 setting at mounting panel 3 both sides limit, lower spout 404 sets up the both sides limit at base 2, and is parallel arrangement with last lower spout 404, right slider 402 passes through the fix with screw on mounting panel 3, and the protruding setting of right slider 402 below is in lower spout 404, left slider 401 passes through fastening structure 405 setting on mounting panel 3, through fastening structure 405, fastening structure 405 is interior hexagonal fastening screw, connects left slider 401 and mounting panel 3 through interior hexagonal fastening screw, mounting panel 3 sides of left slider 401 junction are less than the side of base 2, can press from both sides tight base 2 when increasing the interior hexagonal fastening screw of screwing, screw of interior hexagonal fastening screw, makes left slider 401 reduce the distance between with right slider 402, through the pressure that produces with the base 2 side, realizes the module horizontal fixed on base 2, through with loosen interior hexagonal fastening screw, is favorable to accelerating the speed of changing the production module, has promoted the efficiency. The anti-skid structure 14 is further arranged on the upper surface of the base 2, so that friction force between the bottom surface of the mounting plate 3 and the upper surface of the base 2 is increased, the module is fixed on the base 2 transversely, and the module is not easy to move back and forth during processing.

Example 3:

as shown in fig. 4 to 7, the present embodiment provides a hydraulic jig for machining a CNC product, which has the following technical features in addition to the technical scheme including the above embodiment.

A positioning structure is arranged between the modules, the positioning structure is that a left sliding block 401 and a right sliding block 402 of the top module 11 extend out of a certain distance, a left sliding block 401 and a right sliding block 402 at the connecting end of the middle module 12 and the top module 11 retract into a position with the left sliding block 401 and the right sliding block 402 of the top module 11 by the same distance, a left sliding block 401 and a right sliding block 402 of the middle module 12 extend out of a certain distance at the end of the tail module 13, the left sliding block 401 and the right sliding block 402 of the tail module 13 retract into a position with the left sliding block 401 and the right sliding block 402 of the middle module 12 by the same distance, the extending redundant lengths of the left sliding block 401 and the right sliding block 402 can connect an upper sliding groove 403 and a lower sliding groove 404 of the next module to position the next module, so that the positioning plates 9 on different modules form a smooth positioning surface, the workpiece 16 is not easy to deform when the workpiece 16 is clamped, the processing precision of the workpiece 16 is improved, and the production quality of a product is improved.

The embodiments of the present application and the features of the embodiments may be combined without conflict, and the present application is not limited to the specific embodiments described above, which are merely illustrative, not restrictive, and many forms may be made by those of ordinary skill in the art, without departing from the spirit of the present application and the scope of the claims, which are also within the protection of the present application.

Claims (10)

1. The hydraulic clamp for CNC product machining comprises a mounting seat (1), a working panel (10) and a clamping structure, and is characterized in that the clamping structure comprises a positioning plate (9), a clamping plate (7) and a hydraulic cylinder,

the hydraulic cylinder is arranged along the length direction of the working panel (10) and fixed on the mounting seat (1), a positioning plate (9) perpendicular to the side face of the working panel (10) is arranged on the other side of the working panel (10), the protruding height of the positioning plate (9) is higher than the upper surface of the working panel (10), an output shaft of the hydraulic cylinder is connected with a clamping plate (7), and the clamping plate (7) is arranged above the working panel (10).

2. The hydraulic clamp for machining CNC products according to claim 1, wherein the locating plate (9) is L-shaped, the long side of the locating plate (9) is fixed on the side face of the working panel (10) in the length direction, and the short side of the locating plate (9) is fixed at the end position of the working panel.

3. The hydraulic clamp for machining CNC products according to claim 2, wherein the hydraulic cylinders comprise a first hydraulic cylinder (5) and a second hydraulic cylinder (6), the first hydraulic cylinder (5) is arranged on the side edge of the working panel (10) in the length direction and is opposite to the long edge of the locating plate (9), and the second hydraulic cylinder (6) is arranged on the end face of the working panel (10) and is opposite to the short edge of the locating plate (9).

4. The hydraulic clamp for machining CNC products according to claim 1, wherein the clamping structure comprises a top module (11), a middle module (12) and a tail module (13) which are detachably connected with each other in sequence along the length direction of the mounting base (1), and the number of the middle modules (12) is greater than or equal to one.

5. The hydraulic clamp for machining CNC products according to claim 4, wherein the mounting base (1) comprises a base (2), a mounting plate (3), and a fixing structure (4), the base (2) is used for bearing the module, the module is in sliding connection with the base (2), the mounting plate (3) is a bearing part of the module, and the fixing structure (4) is disposed between the mounting plate (3) and the base (2) and is used for fixing the position of the mounting plate (3) on the base (2).

6. The hydraulic clamp for machining CNC products according to claim 5, wherein the fixing structure (4) comprises a left sliding block (401), a right sliding block (402), an upper sliding block (403), a lower sliding block (404) and a fastening structure (405), the upper sliding block (403) is arranged on two sides of the mounting plate (3), the lower sliding block (404) is arranged on two sides of the base (2), the upper sliding block (404) and the lower sliding block (404) are arranged in parallel, an upper half part of the right sliding block (402) is fixed on the mounting plate (3), a lower half part of the right sliding block (402) is in sliding connection with the lower sliding block (404), the left sliding block (401) is connected with the fastening structure, and the fastening structure can adjust the distance between the left sliding block (401) and the right sliding block (402).

7. The hydraulic clamp for machining a CNC product as recited in claim 6 wherein the module to module connection is provided with a locating feature.

8. A hydraulic clamp for machining CNC products according to claim 7, wherein the upper surface of the base (2) is provided with an anti-slip structure (14).

9. The hydraulic clamp for machining CNC products according to any of claims 1-8, characterized in that the locating plate (9) is provided with a relief groove (15) at the angle with the upper surface of the working panel (10).

10. A hydraulic clamp for machining CNC products according to claim 1, characterized in that the clamping plate (7) is provided with a backing plate (8).