Hinge type wedge clamping mechanism based on CNC machining

Abstract

The hinge type tapered wedge clamping mechanism based on CNC machining comprises a supporting frame, a tapered wedge mechanism and a telescopic element, a positioning block is arranged at the top of the supporting frame, and the tapered wedge mechanism comprises a clamping block and a tapered wedge block; the clamping block is arranged at the top of the supporting frame in the mode that the clamping block can be driven by the inclined wedge block to be relatively close to or away from the positioning block in the horizontal direction, a first inclined face is arranged on the side, away from the positioning block, of the clamping block, and the inclined wedge block is located on the side, away from the positioning block, of the clamping block. The supporting frame is provided with a first inclined face and a second inclined face matched with the first inclined face, the telescopic element is installed at the bottom of the supporting frame, and the lower portion of the telescopic end of the telescopic element is movably connected with the inclined wedge block through a hinge transmission structure. According to the hinge type wedge clamping mechanism based on CNC machining, the product clamping efficiency can be effectively improved, the product clamping quality is ensured, meanwhile, multi-hole machining can be achieved, and the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of clamping devices, in particular to a hinged wedge clamping mechanism based on CNC processing, which is used for cooperating with a CNC machine to process products. Background Art

[0002] In the metal CNC industry, when the product processing area is large and there are not enough clamping positions, traditional cylinder clamping methods are difficult to effectively clamp the product during processing. Small factories generally use screw locks or vises for clamping. This method is simple and direct, but the clamping efficiency is low and the material is often not properly loaded, which can easily lead to product scrap and affect product yield. Therefore, it requires high professional skills from the operator.

[0003] At present, in most companies, it is usually required to enable front-line production employees to operate in a fool-proof manner through various tooling and fixtures to achieve rapid clamping of products, ensuring work efficiency while also ensuring the clamping quality of products. Therefore, a hinged wedge clamping mechanism based on CNC processing has been specially developed. Utility Model Content

[0004] The embodiment of the present application provides a hinged wedge clamping mechanism based on CNC processing, which can effectively improve the clamping efficiency of the product and ensure the clamping quality of the product, and at the same time can also realize multi-hole processing and improve processing efficiency.

[0005] The embodiment of the present application provides a hinged inclined wedge clamping mechanism based on CNC processing, which is used to cooperate with a CNC machine to process products, and specifically includes a support frame, an inclined wedge mechanism and a telescopic element, wherein a positioning block is provided on the top of the support frame, and the inclined wedge mechanism includes a clamping block and an inclined wedge block, and the clamping block is arranged on the top of the support frame in a manner that it can be driven by the inclined wedge block to be relatively close to or away from the positioning block in the horizontal direction, and a first inclined surface is provided on the side of the clamping block away from the positioning block, the inclined wedge block is located on the side of the clamping block away from the positioning block, and is provided with a second inclined surface matching the first inclined surface, the telescopic element is installed at the bottom of the support frame, and the telescopic end of the telescopic element is movably connected to the inclined wedge block below through a hinge transmission structure to provide the inclined wedge block with force to drive the clamping block.

[0006] In a possible implementation, surfaces of the positioning block and the clamping block that are close to each other are both provided with anti-slip structures.

[0007] In a possible implementation, the anti-slip structure is an anti-slip pad or densely distributed flexible protrusions.

[0008] In one possible implementation, the positioning blocks have multiple groups, each group of positioning blocks includes one or more sub-positioning blocks, and the product is clamped by cooperating with the clamping block through one sub-positioning block, or by cooperating with the clamping block through multiple sub-positioning blocks.

[0009] In one possible implementation, the clamping blocks have multiple groups, each group of clamping blocks includes one or more sub-clamping blocks, and the product is clamped by cooperating with the sub-positioning block through one sub-clamping block, or by cooperating with the sub-positioning block through multiple sub-clamping blocks.

[0010] In one possible implementation, the positioning blocks and the clamping blocks each have two groups, each group of positioning blocks and each group of clamping blocks respectively includes two sub-positioning blocks and two sub-clamping blocks, and each sub-positioning block is directly opposite to each sub-clamping block, the oblique wedge blocks correspond one to one with the sub-clamping blocks, and the hinge transmission structure includes four first connecting rods, two first balancing blocks, a second balancing block and a second connecting rod, the second balancing block is hinged to the top end of the second connecting rod at the middle position, the bottom end of the second connecting rod is connected to the telescopic end of the telescopic element, and the tops of the two ends of the second balancing block are respectively provided with adapter blocks, the tops of the four first connecting rods are respectively connected to the four oblique wedge blocks, the bottom ends of the four first connecting rods are respectively movably connected to the two ends of the two first balancing blocks, and the two first balancing blocks are respectively hinged to the two adapter blocks at the middle position.

[0011] In one possible implementation, a T-slot is provided at the top of the telescopic end of the telescopic element, the extension direction of the T-slot is the same as the extension direction of the second balancing block, and the second connecting rod is provided with a T-block that is clearance-matched with the T-slot.

[0012] In a possible implementation, a first limiting block is provided on the top of the support frame, and the first limiting block is provided with a first guide groove that is slidably engaged with the clamping block, and the first guide groove extends in a horizontal direction.

[0013] In one possible implementation, a second limit block is provided on the top of the support frame, the second limit block is located on the side of the inclined wedge block away from the clamping block, and is provided with a second guide groove that slides with the inclined wedge block, and the second guide groove extends in the vertical direction.

[0014] In a possible implementation, third guide grooves are symmetrically provided on both sides of the first inclined surface, and the third guide grooves extend along the extension direction of the first inclined surface. Guide structures that slide with the third guide grooves are correspondingly provided on both sides of the second inclined surface.

[0015] Beneficial effects: Compared with the existing technology, the CNC-processed hinged wedge clamping mechanism provided in this application drives the clamping block to cooperate with the positioning block through the inclined wedge block to clamp and fix the product. It has high clamping output force and good clamping stability. At the same time, the hinge transmission structure can automatically adjust the force balance of the inclined wedge block, thereby avoiding the problem of loose clamping, thereby effectively fixing the product, and has high clamping efficiency and high clamping quality.

[0016] These and other purposes, features and advantages of the present invention are fully reflected in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure of the hinged wedge clamping mechanism processed by CNC in the present application is shown.

[0018] Figure 2 A partial structural diagram of the hinged wedge clamping mechanism based on CNC processing of the present application is shown.

[0019] Figure 3 A partial cross-sectional structural diagram of the hinged wedge clamping mechanism processed by CNC in the present application is shown. DETAILED DESCRIPTION

[0020] The following description is intended to disclose the present invention and enable those skilled in the art to implement the present invention. The preferred embodiments described below are provided for illustrative purposes only, and those skilled in the art will readily appreciate other obvious variations. The basic principles of the present invention as defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0021] Those skilled in the art should understand that, in the disclosure of the specification, the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, and 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. Therefore, the above terms cannot be understood as limiting the present invention.

[0022] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the elements may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0023] refer to Figures 1 to 3The present invention provides a CNC-processed hinged wedge clamping mechanism for use with CNC machines to process products. The mechanism comprises a support frame 10, a wedge mechanism, and a telescopic element 30. A positioning block 11 is provided at the top of the support frame 10 to provide preliminary positioning for a product 40, facilitating quick and accurate placement of the product 40. The inclined wedge mechanism includes a clamping block 21 and an inclined wedge block 22, wherein the clamping block 21 is arranged on the top of the support frame 10 in a manner that it can be driven by the inclined wedge block 22 to be relatively close to or away from the positioning block 11 in the horizontal direction, and the clamping block 21 is provided with a first inclined surface on the side away from the positioning block 11, and the inclined wedge block 22 is located on the side of the clamping block 21 away from the positioning block 11, and is provided with a second inclined surface 221 that matches the first inclined surface, and the telescopic element 30 is installed at the bottom of the support frame 10, and the telescopic end of the telescopic element 30 is movably connected to the inclined wedge block 22 at the bottom through a hinge transmission structure to provide the inclined wedge block 22 with a force to drive the clamping block 21, so that Firstly, when the product 40 is placed on the side of the positioning block 11 close to the clamping block 21, the telescopic element 30 pulls the bevel block 22 through the hinge transmission structure, and the clamping block 21 is close to the positioning block 11 under the cooperation of the first bevel and the second bevel 221, thereby clamping the product 40. During the clamping process, the force balance of the bevel block 22 can be automatically adjusted through the hinge transmission structure, and the bevel block 22 has a higher clamping output force. At the same time, the clamping stability is good, and it can achieve fast and stable clamping of products 40 with a large processing area and not enough clamping positions. The clamping efficiency is high, and it can be automatically clamped into place with high clamping quality. The professional skills requirements for the operator are low. The telescopic element 30 can be a telescopic cylinder, such as a pneumatic cylinder or an electric cylinder.

[0024] In one embodiment, the surfaces of the positioning block 11 and the clamping block 21 that are close to each other are provided with an anti-slip structure 111 to increase the friction between the positioning block 11 and the clamping block 21 and the product 40 when clamping the product 40, thereby improving the clamping stability and achieving a better clamping effect.

[0025] The anti-slip structure 111 is preferably implemented as an anti-slip pad or densely distributed flexible protrusions.

[0026] In one embodiment, the positioning blocks 11 are provided in multiple groups. Each group of positioning blocks 11 includes one or more sub-positioning blocks 112. A single sub-positioning block 112 cooperates with the clamping block 21 to clamp the product 40, or multiple sub-positioning blocks 112 cooperate with the clamping block 21 to clamp the product 40. This allows for multi-hole machining, further improving product machining efficiency.

[0027] Furthermore, the clamping blocks 21 are provided in multiple groups. Each group of clamping blocks 21 includes one or more sub-clamping blocks 211, and the product 40 is clamped by one sub-clamping block 211 in cooperation with the sub-positioning block 112, or by multiple sub-clamping blocks 211 in cooperation with the sub-positioning block 112. When the multiple sub-clamping blocks 211 and the sub-positioning block 112 are used to clamp the product 40, each sub-clamping block 221 is controlled and independently adjusted to balance the force. In other words, the clamping force applied to each part of the product 40 is independently controlled, which can further improve the clamping stability of the product 40.

[0028] In a preferred embodiment, the positioning blocks 11 and the clamping blocks 21 are each provided in two groups. Each group of positioning blocks 11 and each group of clamping blocks 21 includes two sub-positioning blocks 112 and two sub-clamping blocks 211, respectively. Each sub-positioning block 112 faces each sub-clamping block 211, and the oblique wedge blocks 22 correspond one-to-one with the sub-clamping blocks 211. The hinge transmission structure includes four first connecting rods 51, two first balancing blocks 52, a second balancing block 53 and a second connecting rod 54, wherein the second balancing block 53 is hinged to the top end of the second connecting rod 54 at the middle position, and the bottom end of the second connecting rod 54 is connected to the telescopic end of the telescopic element 30, wherein the tops of the two ends of the second balancing block 53 are respectively provided with adapter blocks 531, and the tops of the four first connecting rods 51 are respectively connected to the four inclined wedge blocks 22, and the bottom ends of the four first connecting rods 51 are respectively movably connected to the two ends of the two first balancing blocks 52, and the two first balancing blocks 52 are respectively hinged to the two adapter blocks 531 at the middle position, thereby forming a first hinge structure a between the second connecting rod 54 and the second balancing block 53, and forming a second hinge structure b between the first balancing block 52 and the adapter block 531, and forming a third hinge structure c between the first connecting rod 51 and the first balancing block 52. When the telescopic element 30 pulls down the angled wedge 22 via the hinge transmission structure, the angled wedge 22 moves downward, driving the clamping block 21 toward the positioning block 11, thereby clamping and securing the product 40. During this process, the three hinge structures are able to tilt and swing as the angled wedge 22 moves downward, thereby adjusting the force applied to the corresponding angled wedge 22, ensuring balanced force on each product 40, ensuring a stable clamping of the product 40, and improving the output of the clamping force.

[0029] Obviously, within the scope of this field, the positioning blocks 11 and the clamping blocks 21 can also be correspondingly set into three or four groups with a similar distribution method, providing more product points, and thus processing multiple products 40 at the same time.

[0030] Further preferably, a T-slot 301 is provided at the top of the telescopic end of the telescopic element 30, wherein the extension direction of the T-slot 301 is the same as the extension direction of the second balancing block 53. At the same time, the second connecting rod 54 is provided with a T-block 541 that is clearance-matched with the T-slot 301, thereby facilitating the rapid connection and disassembly between the second connecting rod 54 and the telescopic element 30, and facilitating installation and maintenance.

[0031] In one embodiment, a first limit block 12 is provided at the top of the support frame 10, and the first limit block 12 is provided with a first guide groove 101 that slides with the clamping block 21, and the first guide groove 101 extends in the horizontal direction, thereby providing a guide limit to the clamping block 21 through the first guide groove 101 during the process of clamping the product 40, ensuring the accuracy of the moving direction of the clamping block 21, and further ensuring the clamping quality.

[0032] In one embodiment, a second limit block 13 is provided at the top of the support frame 10, and the second limit block 13 is located on the side of the inclined wedge block 22 away from the clamping block 21, and is provided with a second guide groove 102 that slides with the inclined wedge block 22, and the second guide groove 102 extends in the vertical direction, thereby ensuring the stability of the up and down movement of the inclined wedge block 22 and the accuracy of the moving direction during the clamping process of the product 40, so that the inclined wedge block 22 can accurately drive the clamping block 21 to move.

[0033] Further preferably, third guide grooves 103 are symmetrically provided on both sides of the first inclined surface, wherein the third guide grooves 103 extend along the extension direction of the first inclined surface. Correspondingly, guide structures 222 that slide with the third guide grooves 103 are correspondingly provided on both sides of the second inclined surface 221, thereby ensuring the stability of the inclined wedge block 22 driving the clamping block 21 and the fitting accuracy between the two through the cooperation of the third guide grooves 103 and the guide structures 222. At the same time, it can also ensure that the inclined wedge block 22 is not easy to separate from the clamping block 21 and cause clamping failure, and the clamping quality is better.

[0034] The third guide groove 103 and the guide structure 222 can independently provide guide limitations for the oblique wedge block 22 , or can cooperate with the second guide groove 102 to provide guide limitations for the oblique wedge block 22 .

[0035] It should be noted that the terms "first, second and third" in this application are used for descriptive purposes only and do not indicate any order. They cannot be understood as indicating or implying relative importance. These terms can be interpreted as names.

[0036] Those skilled in the art will appreciate that the embodiments of the present invention described above and shown in the accompanying drawings are provided for illustrative purposes only and do not limit the present invention. The advantages of the present invention have been fully and effectively realized. The functional and structural principles of the present invention have been demonstrated and illustrated in the embodiments. Any variations or modifications may be made to the embodiments of the present invention without departing from the principles described.

Claims

1. The hinged wedge clamping mechanism based on CNC processing is used to cooperate with CNC machine to process products, which is characterized by: The cam is secured to the top of the support frame and has a locking mechanism which allows the cam to move relative to the locking mechanism when the cam is engaged, and the locking mechanism can be adjusted relative to the locking mechanism when the cam is engaged.

2. The CNC-processed hinged wedge clamping mechanism according to claim 1, characterized in that: The surfaces of the positioning block and the clamping block close to each other are both provided with anti-slip structures.

3. The CNC-processed hinged wedge clamping mechanism according to claim 2, characterized in that: The anti-slip structure is an anti-slip pad or densely distributed flexible protrusions.

4. The CNC-processed hinged wedge clamping mechanism according to claim 1, characterized in that: There are multiple groups of positioning blocks, each group of positioning blocks includes one or more sub-positioning blocks, and the product is clamped by cooperating with the clamping block through one sub-positioning block, or by cooperating with the clamping block through multiple sub-positioning blocks.

5. The CNC-processed hinged wedge clamping mechanism according to claim 4, characterized in that: The clamping blocks have multiple groups, each group of clamping blocks includes one or more sub-clamping blocks, and the product is clamped by cooperating with the sub-positioning block through one sub-clamping block, or by cooperating with the sub-positioning block through multiple sub-clamping blocks.

6. The CNC-processed hinged wedge clamping mechanism according to claim 5, characterized in that: The positioning block and the clamping block each have two groups, each group of positioning blocks and each group of clamping blocks respectively include two sub-positioning blocks and two sub-clamping blocks, and each sub-positioning block is respectively opposite to each sub-clamping block, and the oblique wedge block corresponds to the sub-clamping block one by one, and the hinge transmission structure includes four first connecting rods, two first balancing blocks, a second balancing block and a second connecting rod, the second balancing block is hinged to the top end of the second connecting rod in the middle position, the bottom end of the second connecting rod is connected to the telescopic end of the telescopic element, and the tops of the two ends of the second balancing block are respectively provided with adapter blocks, the tops of the four first connecting rods are respectively connected to the four oblique wedge blocks, and the bottom ends of the four first connecting rods are respectively movably connected to the two ends of the two first balancing blocks, and the two first balancing blocks are respectively hinged to the two adapter blocks in the middle position.

7. The CNC-processed hinged wedge clamping mechanism according to claim 6, characterized in that: A T-slot is provided at the top of the telescopic end of the telescopic element. The extending direction of the T-slot is the same as the extending direction of the second balancing block. The second connecting rod is provided with a T-block that is clearance-matched with the T-slot.

8. The CNC-processed hinged wedge clamping mechanism according to claim 1, characterized in that: A first limiting block is provided on the top of the support frame. The first limiting block is provided with a first guide groove that is slidably matched with the clamping block. The first guide groove extends in a horizontal direction.

9. The hinged wedge clamping mechanism based on CNC machining according to claim 1, characterized in that: A second limiting block is provided on the top of the support frame. The second limiting block is located on the side of the oblique wedge block away from the clamping block and is provided with a second guide groove that slides with the oblique wedge block. The second guide groove extends in the vertical direction.

10. The CNC-processed hinged wedge clamping mechanism according to claim 1 or 9, characterized in that: Third guide grooves are symmetrically provided on both sides of the first inclined surface, and the third guide grooves extend along the extension direction of the first inclined surface. Guide structures that slide in cooperation with the third guide grooves are correspondingly provided on both sides of the second inclined surface.

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