Hydraulic control CNC positioning tool clamp
The workpiece is fixed by hydraulically controlled pushing and clamping components, which solves the problem of insufficient pushing force of existing fixtures and realizes stable clamping of workpieces and high-quality cutting.
Patent Information
- Application Number
- CN202423241420.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-27
AI Technical Summary
When performing heavy cutting on a workpiece, the existing fixture may not provide sufficient clamping force, causing the workpiece to loosen and affecting the machining quality.
The hydraulically controlled push-tightening and clamping components use a support base, hydraulic cylinder, movable push rod, push-tightening block and mating block to push and limit the two ends of the workpiece, and apply pressure to the top two sides of the workpiece through the clamping block to ensure that the workpiece is clamped in a balanced manner.
It improves the stability and processing quality of the workpiece, prevents the workpiece from loosening during processing, and enhances the cutting effect.
Smart Images

Figure CN223734442U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tooling and fixture technology, specifically a hydraulically controlled CNC positioning tooling and fixture. Background Technology
[0002] Sheet metal parts are products manufactured using sheet metal processing techniques. Sheet metal parts are characterized by a consistent thickness for the same component and offer advantages such as light weight, high strength, good electrical conductivity, and low cost. The design and manufacturing of sheet metal parts is a complex process that requires consideration of material selection, processing technology determination, cost control, and the functionality and appearance of the final product. With technological advancements, sheet metal parts are increasingly widely used in modern manufacturing and have become an indispensable component of many products.
[0003] Milling is a crucial step in the entire sheet metal processing process, especially in situations where precise control of part shape and size is required. During the design phase, detailed design and calculations are needed based on the product's usage requirements and functional characteristics, including determining the product's shape, size, and materials, and performing strength calculations and structural optimization as needed. In the material preparation phase, suitable metal sheets are selected according to design requirements and necessary processing and preparation are carried out. The processing phase involves shaping the metal sheets according to design requirements to obtain the final product. When milling workpieces, existing fixtures can only push and limit the workpiece's ends on the worktable, but this pushing force is insufficient. During heavy cutting, the workpiece cannot be firmly clamped, leading to loosening during processing and affecting quality. Utility Model Content
[0004] The technical problem to be solved by this utility model is to provide a hydraulically controlled CNC positioning fixture. The push-tightening component can push and limit the two ends of the workpiece to each other, thereby fixing the workpiece on the worktable for easy processing. The setting of the mating block is exactly matched with the shape and structure of the side of the workpiece, avoiding gaps that would cause the push-tightening to be incomplete, thus increasing the stability of the workpiece fixture. The clamping component applies pressure to the top two sides of the workpiece to ensure that the entire workpiece is clamped in a balanced manner. It can provide clamping force on both sides of the workpiece and downward pressing force, solving the problem of the workpiece not being clamped tightly during heavy cutting and the workpiece loosening during processing, thus improving the cutting quality of the workpiece.
[0005] The technical problem to be solved by this utility model is achieved by the following technical solution:
[0006] A hydraulic control CNC positioning tool clamp, comprising a workbench, a workpiece placed inside the workbench, a positioner installed outside the workbench, a supporting block installed outside the workbench, a pushing assembly arranged on both sides of the outer end of the workpiece, the pushing assembly comprising a supporting seat a, a hydraulic cylinder a, a movable push rod, a pushing block and a fitting block, a pressing assembly arranged on both sides of the outer end of the workpiece, the pressing assembly comprising a supporting seat b, a hydraulic cylinder b, a telescopic rod, a connecting head and a pressing block.
[0007] Preferably, supporting seats a are installed on both sides of the outer end of the workpiece, hydraulic cylinders a are installed on one side of the top of the supporting seats a, movable push rods are drivingly connected to one end of the hydraulic cylinders a, pushing blocks are installed at one end of the movable push rods, and fitting blocks are installed at one end of the pushing blocks.
[0008] Preferably, supporting seats b are installed on both sides of the outer end of the workpiece, hydraulic cylinders b are installed on the bottom of the supporting seats b, telescopic rods are drivingly connected to the top of the hydraulic cylinders b, connecting heads are installed at the top of the telescopic rods, and pressing blocks are installed at the top of the connecting heads.
[0009] Preferably, a plurality of mounting screw holes are formed in the pushing blocks and the fitting blocks, and the pushing blocks and the fitting blocks are fixedly installed through bolts.
[0010] Preferably, anti-skid pressing blocks are fixedly installed at the bottom of the pressing blocks through bolts, and the anti-skid pressing blocks are made of rubber material.
[0011] Preferably, mounting blocks are installed at the top of the connecting heads, recesses compatible with the mounting blocks are formed at one end of the pressing blocks, and the recesses and the mounting blocks are fixedly installed through bolts.
[0012] Preferably, limiting seats are installed on both sides of the inner end of the supporting seat b, limiting blocks are installed inside the limiting seats, and a space is left between the two limiting seats, the limiting blocks and the pressing block.
[0013] The hydraulic control CNC positioning tool clamp has the following beneficial effects:
[0014] (1) The pushing assembly of the hydraulic control CNC positioning tool clamp can push and fix the workpiece at both ends, thereby fixing the workpiece on the workbench, facilitating the processing of the workpiece, and the fitting blocks are compatible with the shape structure of the side of the workpiece, avoiding gaps that cause the pushing and fixing to be not tight, thereby increasing the stability of the workpiece tooling.
[0015] (2) By applying pressure to both sides of the top of the workpiece through the clamping component of this utility model, the entire workpiece is clamped in a balanced manner, which can provide clamping force on both sides of the workpiece and downward pressing force, solve the problem of not being able to clamp the workpiece tightly during heavy cutting and the workpiece loosening during processing, and improve the cutting quality of the workpiece. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0017] Figure 2 This is a front view sectional view of the workbench of this utility model.
[0018] Figure 3 This is a top view sectional diagram of the workbench of this utility model.
[0019] Figure 4 This is a schematic diagram of the workbench structure from below, representing the present invention.
[0020] Figure 5 For the present utility model Figure 1 Enlarged structural diagram at point A in the middle.
[0021] Figure 6 For the present utility model Figure 1 Enlarged structural diagram at point B.
[0022] Figure 7 This is a schematic diagram of the clamping block structure of this utility model.
[0023] Figures 1-7 In the middle: 1. Workbench; 101. Workpiece; 2. Positioner; 3. Support block; 4. Support seat a; 401. Hydraulic cylinder a; 402. Movable push rod; 403. Pushing block; 404. Fitting block; 5. Support seat b; 501. Hydraulic cylinder b; 502. Telescopic rod; 503. Connector; 504. Pressing block; 505. Anti-slip pressing block; 506. Mounting block; 507. Groove; 508. Limit seat; 509. Limit block. Detailed Implementation
[0024] The technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.
[0025] The present application will now be described in detail with reference to the accompanying drawings and specific embodiments.
[0026] Example
[0027] As Figures 1-7 The hydraulic control CNC positioning tool fixture shown in the figure, including: workbench 1, placed in the workpiece 101 inside the workbench 1, installed in the workbench 1 outside the positioner 2, installed on the outside of the workbench 1 support block 3, set up in the workpiece 101 both sides of the outer end of the push tight assembly, push tight assembly includes: support seat a4, hydraulic cylinder a401, movable push rod 402, push tight block 403 and fitting block 404, set up in the workpiece 101 both sides of the outer end of the compression assembly, compression assembly includes: support seat b5, hydraulic cylinder b501, telescopic rod 502, connecting head 503 and compression block 504.
[0028] Among them, the workpiece 101 both sides of the outer end is equipped with support seat a4, support seat a4 top side is equipped with hydraulic cylinder a401, one end of hydraulic cylinder a401 is driven to connect with movable push rod 402, one end of movable push rod 402 is equipped with push tight block 403, one end of push tight block 403 is equipped with fitting block 404, when processing workpiece 101, place the workpiece 101 on the workbench 1 corresponding position, make its both ends of workpiece 101 corresponding to the position of push tight block 403 and fitting block 404, at this time, start hydraulic cylinder a401 work, hydraulic cylinder a401 drive movable push rod 402 move towards workpiece 101, so that movable push rod 402 push tight block 403 and fitting block 404 move to both ends of workpiece 101, and push tight limit both ends of workpiece 101, and then fix workpiece 101 on the workbench 1, facilitate to process workpiece 101, fitting block 404, just with the shape structure of the workpiece 101 side mutually fitting, avoid the gap cause push tight limit not solid, and then can increase the stability of workpiece 101 tooling.
[0029] Among them, push tight block 403 and fitting block 404 are equipped with a plurality of mounting screw holes, push tight block 403 and fitting block 404 are fixed by bolt installation, fitting block 404 is used, fitting block 404 and push tight block 403 are fixed by bolt installation, so that fitting block 404 can be flexible disassembly, convenient to replace different shape structure fitting block 404 for adapting different workpiece 101, and then can be fitted to different workpiece 101 clamping fixed.
[0030] The outer end of the workpiece 101 is provided with a support seat b5 on both sides, the bottom of the support seat b5 is provided with a hydraulic oil cylinder b501, the top of the hydraulic oil cylinder b501 is drivingly connected with a telescopic rod 502, the top of the telescopic rod 502 is provided with a connecting head 503, the top of the connecting head 503 is provided with a pressing block 504, the workpiece 101 is placed on the workbench 1 and is tightly positioned at both ends by the pressing block 403 and the fitting block 404, then the hydraulic oil cylinder b501 is started to work, the hydraulic oil cylinder b501 drives the telescopic rod 502 to move downward, the telescopic rod 502 drives the connecting head 503 and the pressing block 504 to move downward to the top of both sides of the workpiece 101, the pressing block 504 is used to apply pressure to the top of both sides of the workpiece 101 to press tightly, so that the whole workpiece 101 is clamped and balanced under force, the workpiece 101 can be provided with clamping force at both ends and downward pressing force, the problem of loose workpiece 101 during machining is solved, and the cutting machining quality of the workpiece 101 is improved.
[0031] The bottom of the pressing block 504 is provided with an antiskid pressing block 505 fixed by bolts, the antiskid pressing block 505 is made of rubber material, when the pressing block 504 is pressed downward to tightly fix the workpiece 101, the antiskid pressing block 505 at the bottom of the pressing block 504 is in contact with the workpiece 101, the antiskid pressing block 505 can increase the friction between the pressing block 504 and the workpiece 101, so that the pressing block 504 does not slide with the workpiece 101, and the firmness of the workpiece 101 is increased.
[0032] The top of the connecting head 503 is provided with a mounting block 506, one end of the pressing block 504 is provided with a groove 507 matched with the mounting block 506, the groove 507 and the mounting block 506 are fixedly installed by bolts, when the pressing block 504 is used, the pressing block 504 is fixedly installed with the mounting block 506 at the top of the connecting head 503 through the groove 507, so that the pressing block 504 can be flexibly disassembled and used, when the pressing block 504 is damaged or needs to be replaced by a pressing block 504 with different size, the pressing block 504 can be disassembled and replaced, so that different workpieces 101 can be tightly fixed on the workbench 1.
[0033] The inner ends of the support seats b5 are provided with limiting seats 508 on both sides, the inner sides of the limiting seats 508 are provided with limiting blocks 509, there is a space between the two limiting seats 508, the limiting blocks 509 and the pressing block 504, during the upward and downward movement of the connecting head 503 and the pressing block 504 driven by the telescopic rod 502, the pressing block 504 moves upward and downward between the two limiting seats 508 and the limiting blocks 509 and the inside of the pressing block 504, the limiting seats 508 and the limiting blocks 509 provide shielding protection for the pressing block 504, so that the pressing block 504 does not deform due to impact on objects and affect normal use, and the pressing block 504 can tightly fix the workpiece 101.
[0034] Working principle:
[0035] When the workpiece 101 is processed, the workpiece 101 is placed on the corresponding position of the workbench 1, and the two ends of the workpiece 101 correspond to the positions of the push block 403 and the fitting block 404. At this time, the hydraulic oil cylinder a 401 is started to work, and the hydraulic oil cylinder a 401 drives the movable push rod 402 to move towards the workpiece 101, so that the movable push rod 402 pushes the push block 403 and the fitting block 404 to move to the two ends of the workpiece 101, and pushes and tightens the two ends of the workpiece 101, and then fixes the workpiece 101 on the workbench 1, so as to facilitate the processing of the workpiece 101. The setting of the fitting block 404 is just matched with the shape structure of the side of the workpiece 101, so as to avoid the gap to cause the tightness of the limit not to be firm, and then the stability of the workpiece 101 tooling can be increased. When the fitting block 404 is used, the fitting block 404 and the push block 403 are fixed and installed through bolts, so that the fitting block 404 can be flexibly disassembled and assembled, and different shape structures of the fitting block 404 can be replaced to adapt to different workpieces 101, so as to clamp and fix different workpieces 101.
[0036] After the workpiece 101 is placed on the workbench 1 and the two ends are pushed and limited by the push block 403 and the fitting block 404, the hydraulic oil cylinder b 501 is started to work, and the hydraulic oil cylinder b 501 drives the telescopic rod 502 to move downward, and the telescopic rod 502 drives the connecting head 503 and the pressing block 504 to move downward to the top of the workpiece 101 on both sides, and the pressing block 504 is used to press the top of the workpiece 101 on both sides to ensure that the whole workpiece 101 is balanced and clamped, and the workpiece 101 can provide left and right end clamping and downward pressing force, solve the problem of loose workpiece 101 during heavy cutting, and improve the cutting quality of the workpiece 101.
[0037] During the up-down movement of the telescopic rod 502, the pressing block 504 moves up and down between the two limiting seats 508 and the limiting block 509 and the inside of the pressing block 504, and the limiting seat 508 and the limiting block 509 are used to shield and protect the pressing block 504, so as to avoid the deformation of the pressing block 504 caused by the impact of the pressing block 504 on the object, and affect the normal use, and then ensure that the pressing block 504 can press and fix the workpiece 101.
[0038] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.
[0039] The above has carried out the detailed introduction to the hydraulic control CNC positioning tool fixture provided by the embodiment of the application, the principle and implementation mode of the application are described in this paper, the above embodiment is only used to help understand the technical scheme of the application and its core idea, and the person skilled in the art should understand that: the technical scheme recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the application.
Claims
1. A hydraulic control CNC positioning tooling fixture, characterized by, Include: Workbench (1); Workpiece (101) placed inside the workbench (1); Positioner (2) installed outside the workbench (1); Support block (3) installed outside the workbench (1); Pushing assembly is arranged on both sides of the outer end of the workpiece (101), the pushing assembly comprises: support seat a (4), hydraulic cylinder a (401), movable push rod (402), pushing block (403) and fitting block (404); The compression assembly is arranged on both sides of the outer end of the workpiece (101), the compression assembly comprises: support seat b (5), hydraulic cylinder b (501), telescopic rod (502), connecting head (503) and compression block (504).
2. The hydraulic control CNC positioning fixture clamp according to claim 1, wherein, Support seat a (4) is installed on both sides of the outer end of the workpiece (101), one side of the top of the support seat a (4) is provided with hydraulic cylinder a (401), one end of the hydraulic cylinder a (401) is drivenly connected with movable push rod (402), one end of the movable push rod (402) is provided with pushing block (403), one end of the pushing block (403) is provided with fitting block (404).
3. The hydraulic control CNC positioning fixture clamp of claim 1, wherein, Support seat b (5) is installed on both sides of the outer end of the workpiece (101), the bottom of the support seat b (5) is provided with hydraulic cylinder b (501), the top of the hydraulic cylinder b (501) is drivenly connected with telescopic rod (502), the top of the telescopic rod (502) is provided with connecting head (503), the top of the connecting head (503) is provided with compression block (504).
4. The hydraulic control CNC positioning fixture clamp of claim 2, wherein, The pushing block (403) and the fitting block (404) are provided with a plurality of mounting screw holes, and the pushing block (403) and the fitting block (404) are fixedly installed by bolts.
5. The hydraulic control CNC positioning fixture clamp according to claim 3, wherein, The bottom of the compression block (504) is fixedly installed with an anti-skid pressing block (505) through bolts, and the anti-skid pressing block (505) is made of rubber material.
6. The hydraulic control CNC positioning fixture clamp of claim 3, wherein, The connecting head (503) is provided with an installation block (506) on the top, one end of the compression block (504) is provided with a groove (507) matched with the installation block (506), and the groove (507) and the installation block (506) are fixedly installed through bolts.
7. The hydraulic control CNC positioning fixture clamp of claim 3, wherein, The limit seat (508) is installed on both sides of the inner end of the support seat b (5), the limit block (509) is installed in the inner side of the limit seat (508), and the limit block (509) is installed in the inner side of the limit seat (508). The spacing is left between the two limit seats (508) and the compression block (504).