A blanking saw machine with clamping detection and automatic compensation function

By setting up detection and compensation mechanisms on the blanking saw, using a rotary encoder and laser rangefinder to detect the clamping distance in real time, and automatically adjusting the clamping through a micro cylinder and swing block, the problem of unstable clamping is solved, and the processing accuracy and stability are improved.

CN224359450UActive Publication Date: 2026-06-16FUJIAN HUDING MASCH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
FUJIAN HUDING MASCH CO LTD
Filing Date
2026-05-13
Publication Date
2026-06-16

AI Technical Summary

Technical Problem

The existing clamping structure of the blanking saw cannot detect the clamping distance in real time, has poor adaptability, and is prone to clamping too loosely or too tightly, resulting in unstable sawing process. In addition, wear and vibration of the clamping structure lead to inaccurate positioning, affecting processing accuracy and finished product qualification rate.

Method used

The device employs a detection and compensation mechanism, using a rotary encoder and laser rangefinder to detect the clamping gap in real time. This, combined with a miniature cylinder and a swing block, automatically compensates for the clamping gap, achieving precise fitting and automatic adjustment of the clamping block.

Benefits of technology

It achieves precise matching of the clamping block spacing, automatically compensates for deviations caused by clamping wear and vibration, and improves the processing accuracy and stability of blanking and sawing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of blanking sawing machine with clamping detection and automatic compensation function, it is related to sawing machine relevant field, including sawing machine body, clamping block, detection mechanism, compensation mechanism and conveying roller, two groups of clamping blocks are slidably connected in the center of sawing machine body, and the inner center of clamping block is fixedly connected with connecting block, setting detection mechanism, through the cooperation of first toothed plate, gear, second toothed plate, rotary encoder and laser range finder, realize double real-time detection between clamping block spacing, accurately adapt various workpieces, prevent clamping too loose or too tight problem, setting compensation mechanism, through the cooperation of micro cylinder, swing block and clamping rod, realize that clamping gap is automatically made up, offset the looseness deviation caused by equipment wear and vibration, stabilize workpiece positioning, effectively improve blanking cutting machining precision.
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Description

Technical Field

[0001] This utility model relates to the field of sawing machines, specifically a blanking sawing machine with clamping detection and automatic compensation functions. Background Technology

[0002] A cutting saw is a specialized machine tool used to precisely cut metal or non-metal profiles, bars, and plates to a set length. Common types include band saws, circular saws, and bow saws. It consists of a bed, sawing mechanism, clamping and feeding device, and control system. It is widely used in the raw material pretreatment process in industries such as machinery manufacturing, forging, and mold making. It can realize manual, semi-automatic, or fully automatic cutting and has the characteristics of high dimensional accuracy, flat cross-section, and strong adaptability.

[0003] Existing blanking saws mostly have fixed-spacing clamping plates, which cannot detect the distance between the two sets of clamping plates in real time. This results in poor adaptability when clamping workpieces of different specifications, and problems such as slippage due to excessively loose clamping or damage to the workpiece due to excessively tight clamping can occur, affecting the stability of sawing. Furthermore, the existing clamping structure of blanking saws is prone to wear and deformation after long-term use, and sawing vibration can also cause changes in the clamping gap. The lack of clamping compensation function leads to unstable workpiece clamping tightness, which can easily cause displacement, reducing the blanking sawing accuracy and the finished product qualification rate. Utility Model Content

[0004] Therefore, in order to overcome the above-mentioned shortcomings, this utility model provides a blanking saw with clamping detection and automatic compensation functions.

[0005] This utility model is implemented as follows: a cutting saw with clamping detection and automatic compensation functions is constructed. The device includes a saw body, two sets of clamping blocks are slidably connected at the center of the saw body, and a connecting block is fixedly connected at the center of the clamping block. A detection mechanism is slidably connected to the top of the clamping block, and a compensation mechanism is slidably connected to the clamping surface of the clamping block. A conveying roller is provided on the back of the saw body.

[0006] The detection mechanism includes a mounting box, the top of which is slidably connected to the clamping block. A first toothed plate is slidably connected to the front side of the bottom of the mounting box. A gear meshes with the back of the first toothed plate, and a second toothed plate meshes with the back of the gear. A first connecting rod is fixedly connected to the top of the gear. A rotary encoder is sleeved on the outer wall of the first connecting rod. Laser rangefinders are fixedly connected to both the left and right ends inside the mounting box.

[0007] Preferably, the compensation mechanism includes a clamping rod, the clamping surface of the clamping block is slidably connected to the clamping rod, the front end of the clamping rod is in contact with the swing block, a second connecting rod is fixedly connected to the center of the back of the swing block, the swing block is provided with a sliding groove, and the sliding groove is slidably connected to the outer wall of the protruding rod.

[0008] Preferably, the compensation mechanism further includes a movable block, the movable block is fixedly connected to the back of the protruding rod, and the top of the movable block is fixedly connected to the bottom push rod of the micro cylinder.

[0009] Preferably, the rotary encoder and the laser rangefinder are both electrically connected to an external display screen, and the bottoms of the first toothed plate and the second toothed plate are both fixedly connected to the clamping block via a fixing rod.

[0010] Preferably, the top of the first connecting rod is rotatably connected to the top of the inside of the mounting box, and the outer wall of the fixing rod at the bottom of the first and second toothed plates is slidably connected to the bottom of the mounting box.

[0011] Preferably, the back of the second connecting rod is rotatably connected to the rear end of the clamping block, and the top of the micro cylinder is fixedly connected to the bottom of the connecting block at the center of the clamping block.

[0012] This utility model has the following advantages: This utility model provides a cutting saw with clamping detection and automatic compensation functions, which, compared with similar equipment, has the following improvements:

[0013] This utility model describes a blanking saw with clamping detection and automatic compensation functions. It is equipped with a detection mechanism that uses a first toothed plate, gears, and a second toothed plate in conjunction with a rotary encoder and a laser rangefinder to achieve dual real-time detection of the clamping block spacing, accurately adapting to various workpieces and preventing problems of excessively loose or tight clamping. The compensation mechanism, through the cooperation of a micro-cylinder, a swing block, and a clamping rod, automatically compensates for the clamping gap, offsetting loosening deviations caused by equipment wear and vibration, stabilizing workpiece positioning, and effectively improving the blanking and cutting accuracy. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a three-dimensional structural diagram of the testing mechanism of this utility model;

[0016] Figure 3 This is a frontal structural diagram of the compensation mechanism of this utility model.

[0017] The components include: saw body-1, clamping block-2, detection mechanism-3, mounting box-31, first toothed plate-32, gear-33, second toothed plate-34, first connecting rod-35, rotary encoder-36, laser rangefinder-37, compensation mechanism-4, clamping rod-41, swing block-42, second connecting rod-43, slide groove-44, protruding rod-45, moving block-46, miniature cylinder-47, and conveying roller-5. Detailed Implementation

[0018] The following is in conjunction with the appendix Figures 1-3The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description and claims. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0019] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0021] Please see Figures 1-3 The present invention relates to a sawing machine with clamping detection and automatic compensation functions, comprising a sawing machine body 1, two sets of clamping blocks 2 are slidably connected at the center of the sawing machine body 1, and a connecting block is fixedly connected at the center of the inside of the clamping block 2. A detection mechanism 3 is slidably connected to the top of the clamping block 2, and a compensation mechanism 4 is slidably connected to the clamping surface of the clamping block 2. A conveying roller 5 is provided on the back of the sawing machine body 1.

[0022] The testing mechanism 3 includes a mounting box 31, which is slidably mounted on top of the clamping block 2 to centrally store and protect all internal testing parts. A slidable first toothed plate 32 is mounted on the front of the bottom of the mounting box 31. The first toothed plate 32 moves with one side of the clamping block 2, transmitting clamping displacement. A gear 33 is meshed and mounted on the rear side of the first toothed plate 32 to connect the transmission and synchronously rotate with the first toothed plate 32 and a second toothed plate 34. The second toothed plate 34 is meshed behind the gear 33 and moves with the other side of the clamping block 2, cooperating with the first toothed plate 32 to link with the gear 33. A first connecting rod 35 is fixedly mounted on the top of the gear 33 to rotate with it and transmit rotational power. A rotary encoder 36 is sleeved and mounted on the outer side of the first connecting rod 35. The first connecting rod 35 is used to collect rotation data and complete the clamping stroke detection. Laser rangefinders 37 are fixed at both ends of the mounting box 31 to emit ranging light in real time to assist in monitoring the moving distance. The rotary encoder 36 and the laser rangefinder 37 are both connected to an external display screen for easy viewing of the detection data by the staff. The bottom of the first toothed plate 32 and the second toothed plate 34 are equipped with fixing rods to firmly fix the first toothed plate 32 and the second toothed plate 34 to the clamping block 2. The upper end of the first connecting rod 35 is rotatably connected to the top of the inside of the mounting box 31 to limit the position and ensure smooth rotation without deviation. The outer wall of the fixing rod at the bottom of the first toothed plate 32 and the second toothed plate 34 slides against the bottom of the mounting box 31 to limit the movement trajectory of the first toothed plate 32 and the second toothed plate 34 and prevent misalignment and jamming.

[0023] The compensation mechanism 4 includes a clamping rod 41, which is slidably mounted on the clamping surface of the clamping block 2 to directly contact the workpiece for clamping and pushing. A swing block 42 is fitted onto the front end of the clamping rod 41 to receive force and swing, thereby pushing the clamping rod 41 to move. A second connecting rod 43 is fixedly provided at the center of the back of the swing block 42, serving as a fulcrum for rotation and facilitating angle swinging. A groove 44 is provided on the surface of the swing block 42 to provide sliding space for the protruding rod 45, adapting to angle adjustment. The protruding rod 45 is slidably fitted inside the groove 44. The thrust is transmitted to drive the swing block 42 to deflect. The rear end of the protruding rod 45 is fixedly connected to the moving block 46, which is used to receive the power of the micro cylinder 47 and drive the protruding rod 45 to move as a whole. The upper end of the moving block 46 is connected to the push rod of the micro cylinder 47, and the power source for the up and down movement is provided by the extension and retraction of the micro cylinder 47. The rear end of the second connecting rod 43 is rotatably installed inside the rear end of the clamping block 2 to stabilize the fulcrum structure and ensure flexible swing. The top end of the micro cylinder 47 is fixed to the bottom of the connecting block inside the clamping block 2 to fix the position of the micro cylinder 47 and ensure stable power output.

[0024] The working principle of a blanking saw with clamping detection and automatic compensation function based on this embodiment is as follows:

[0025] First, when using this device, place it in the work area, and then connect it to an external power source to provide the power required for its operation.

[0026] Secondly, when the workpiece is placed between the two sets of clamping blocks 2 for clamping operations, the relative movement of the two sets of clamping blocks 2 will cause the first toothed plate 32 and the second toothed plate 34 to move synchronously. During the movement of the first toothed plate 32 and the second toothed plate 34, they will jointly drive the intermediate meshing gear 33 to rotate. At the same time, the rotation of the gear 33 will drive the first connecting rod 35 to rotate synchronously. The first connecting rod 35 works in conjunction with the rotary encoder 36 to detect the movement stroke of the clamping block 2. At the same time, the laser rangefinders 37 on both sides inside the mounting box 31 continuously emit detection beams to monitor the movement distance of the first toothed plate 32 and the second toothed plate 34 in real time, thereby detecting the actual distance between the two sets of clamping blocks 2. Through the dual detection of the rotary encoder 36 and the laser rangefinder 37, the workpiece clamping status can be grasped in real time, the clamping distance of workpieces of different specifications can be accurately judged, and the clamping distance can be avoided to be too large or too small, thus ensuring the stable operation of the sawing operation.

[0027] Third, when the saw body 1 experiences a loose clamping situation, the micro cylinder 47 is activated. The micro cylinder 47 drives the moving block 46 to move up or down. The moving block 46 drives the convex rod 45 to slide inside the slide groove 44, thereby pushing the swing block 42 to swing at an angle with the second connecting rod 43 as the fulcrum. During the rotation of the swing block 42, it drives the clamping rod 41 to slide to the right through contact with the clamping rod 41, so that the clamping rod 41 is in contact with the workpiece surface for secondary clamping compensation, automatically eliminating the gap error caused by clamping wear and vibration, preventing the workpiece from shifting or shaking during sawing, and ensuring the accuracy of material cutting.

[0028] This utility model provides an improved blanking saw with clamping detection and automatic compensation functions. It is equipped with a detection mechanism 3, which, through the cooperation of a first toothed plate 32, a gear 33, a second toothed plate 34, a rotary encoder 36, and a laser rangefinder 37, realizes dual real-time detection of the distance between the clamping blocks 2, accurately adapts to various workpieces, and eliminates the problem of clamping too loosely or too tightly. It is equipped with a compensation mechanism 4, which, through the cooperation of a micro cylinder 47, a swing block 42, and a clamping rod 41, realizes automatic compensation of the clamping gap, offsets the loosening deviation caused by equipment wear and vibration, stabilizes the workpiece positioning, and effectively improves the blanking and cutting processing accuracy.

[0029] The above describes the basic principles, main features, and advantages of this utility model. All standard parts used in this utility model can be purchased from the market, and irregularly shaped parts can be customized according to the description and drawings. The specific connection methods for each part all adopt conventional methods such as bolts, rivets, and welding, which are mature technologies in the prior art. The machinery, parts, and equipment all adopt conventional models in the prior art, and the circuit connections adopt conventional connection methods in the prior art, which will not be detailed here.

[0030] The above description of the disclosed embodiments enables those skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A sawing machine with clamping detection and automatic compensation function, comprising a sawing machine body (1), two sets of clamping blocks (2) are slidably connected at the center of the sawing machine body (1), and a connecting block is fixedly connected at the center of the clamping block (2), a detection mechanism (3) is slidably connected at the top of the clamping block (2), a compensation mechanism (4) is slidably connected to the clamping surface of the clamping block (2), and a conveying roller (5) is provided on the back of the sawing machine body (1); Its features are: The detection mechanism (3) includes a mounting box (31), the top of the clamping block (2) is slidably connected to the mounting box (31), the front side of the bottom of the mounting box (31) is slidably connected to a first toothed plate (32), the back of the first toothed plate (32) is meshed with a gear (33), the back of the gear (33) is meshed with a second toothed plate (34), the top of the gear (33) is fixedly connected to a first connecting rod (35), the outer wall of the first connecting rod (35) is sleeved with a rotary encoder (36), and the left and right ends of the mounting box (31) are fixedly connected to laser rangefinders (37).

2. The blanking saw with clamping detection and automatic compensation function according to claim 1, characterized in that: The compensation mechanism (4) includes a clamping rod (41), the clamping block (2) is slidably connected to the clamping surface of the clamping rod (41), the front end of the clamping rod (41) is in contact with the swing block (42), the swing block (42) is fixedly connected to the center of the back of the second connecting rod (43), the swing block (42) is provided with a sliding groove (44), and the sliding groove (44) is slidably connected to the outer wall of the protruding rod (45).

3. The blanking saw with clamping detection and automatic compensation function according to claim 2, characterized in that: The compensation mechanism (4) also includes a movable block (46), which is fixedly connected to the back of the protruding rod (45), and the top of the movable block (46) is fixedly connected to the bottom push rod of the micro cylinder (47).

4. The blanking saw with clamping detection and automatic compensation function according to claim 3, characterized in that: The rotary encoder (36) and laser rangefinder (37) are both electrically connected to the external display screen. The bottom of the first toothed plate (32) and the second toothed plate (34) are both fixedly connected to the clamping block (2) by a fixing rod.

5. A blanking saw with clamping detection and automatic compensation function according to claim 4, characterized in that: The top of the first connecting rod (35) is rotatably connected to the top of the inside of the mounting box (31), and the outer wall of the fixing rod at the bottom of the first toothed plate (32) and the second toothed plate (34) is slidably connected to the bottom of the mounting box (31).

6. The blanking saw with clamping detection and automatic compensation function according to claim 5, characterized in that: The back of the second connecting rod (43) is rotatably connected to the rear end of the clamping block (2), and the top of the micro cylinder (47) is fixedly connected to the bottom of the connecting block at the center of the clamping block (2).