A sawing head of a sawing machine

Abstract

The utility model provides a sawing head of sawing machine, including the main shaft box who is used as the installation foundation and the reduction drive, the access door of detachable fixedly established in the left side of main shaft box, the saw blade drive motor of fixedly established in the back of main shaft box, be used for realizing the synchronous belt drive mechanism of the main shaft transmission connection of saw blade drive motor and main shaft box has, the saw blade of fixedly established on the left end of main shaft, the access door and the main shaft box in the two movable clamping blocks of each division upper and lower movably setting in the both sides of saw blade, the tungsten steel piece of each fixed setting in the side of the front end of each movable clamping block near saw blade, in the front end of each movable clamping block each rotatably set up one and use with workpiece and keep the bearing of elastic contact, the rear end of two movable clamping blocks of same side is elastically connected through a connecting spring. The utility model discloses through the structure improvement, can improve saw blade life and sawing quality greatly, promotes production efficiency, can saw the workpiece size range of cutting, and the cost performance is high.

Description

Technical Field

[0001] This utility model relates to the field of sawing equipment technology, specifically to a sawing head for a sawing machine. Background Technology

[0002] Sawing machines are widely used in the cutting and processing of materials such as bars, tubes, and profiles. A typical sawing machine consists of five main parts: a feeding mechanism, a workpiece clamping mechanism, a sawing head, an integrated drive mechanism for the sawing head, and a control platform. Among these, the sawing head is the most crucial component. Currently, commonly used sawing heads include... Figure 1 As shown, it includes a spindle box 1 serving as the overall mounting base and speed reduction transmission, an inspection door 2 detachably and fixedly connected to the spindle box 1, a saw blade drive motor 3 fixedly mounted on the spindle box 1, a synchronous belt drive mechanism 4 for realizing the transmission between the saw blade drive motor 3 and the spindle of the spindle box 1, a saw blade 5 fixedly mounted on the spindle of the spindle box 1 for rotating and cutting the workpiece, clamping blocks 6 located on both sides of the saw blade 5 to enhance the rigidity of the saw blade 5 (preventing the saw blade 5 from violently swinging axially during operation), and a tungsten steel sheet 7 fixedly mounted on the inner side of the clamping block 6 near the front end of the saw blade 5 to enhance wear resistance. The clamping block 6 consists of four fixed clamping blocks 61. Two of these fixed clamping blocks 61 are fixedly mounted on the inspection door 2, one at the top and one at the bottom, near the saw blade 5. The other two fixed clamping blocks 61 are mounted on the spindle box 1, also near the saw blade 5. A tungsten carbide sheet 7 is fixedly mounted on the inner front side of each of the four fixed clamping blocks 61. In the existing structure of the fixed clamping blocks 61 and tungsten carbide sheets 7, the fixed clamping blocks 61 cannot be positioned too far forward, otherwise it would affect the size of the workpieces that can be cut, significantly impacting the range of workpiece sizes and thus the overall cost-effectiveness of the sawing machine. To balance this issue, the fixed clamping blocks 61 must be positioned to a certain extent further back. The resulting technical problem is that the area of ​​the saw blade 5 located at the front of the four tungsten carbide sheets 7 is relatively large. During operation, the front rigidity of the saw blade 5 is insufficient, affecting the sawing quality and saw blade life. The saw blade consumption is high, requiring frequent replacement, which is costly, time-consuming, and labor-intensive, impacting work efficiency. Therefore, an improvement is urgently needed. Utility Model Content

[0003] The purpose of this utility model is to solve the problems existing in the prior art and provide a saw head for a sawing machine with improved structure, which can greatly improve the saw blade life, sawing quality and sawing efficiency when in use.

[0004] The technical solution of this utility model is as follows: The sawing head of the sawing machine of this utility model includes a spindle box as an integral installation base and for speed reduction transmission, an inspection door detachably fixed on the left side of the spindle box, a saw blade drive motor fixed on the rear side of the spindle box, a synchronous belt drive mechanism for realizing the spindle drive connection between the saw blade drive motor and the spindle box, and a saw blade fixed on the left end of the spindle. Its structural features are: it also includes two movable clamping blocks that are movably arranged vertically on both sides of the inspection door and inside the spindle box; a tungsten steel sheet is fixedly arranged on the front end of each movable clamping block near the saw blade; and a bearing is rotatably arranged in the front end of each movable clamping block, which maintains elastic contact with the workpiece during use.

[0005] A further design is as follows: each movable clamping block has an inwardly recessed bearing mounting groove at its front end, and a bearing is rotatably mounted in each bearing mounting groove, with the outer circumference of the outer ring of each bearing protruding beyond the end face of the movable clamping block to which it is mounted; the rear ends of the two movable clamping blocks located on the left and right sides of the saw blade are elastically connected by a connecting spring; a first clamping block receiving groove is provided on the left side of the spindle box; a second clamping block receiving groove is provided on the right side of the inspection door; the two movable clamping blocks on the right side and their connecting springs are movably mounted in the first clamping block receiving groove of the spindle box, and the two movable clamping blocks on the left side and their connecting springs are movably mounted in the second clamping block receiving groove of the inspection door, with the front end of each movable clamping block elastically extending forward.

[0006] This invention has several advantages: the sawing head of the sawing machine of this invention improves the rigidity of the saw blade by replacing the fixed clamping block in the prior art with an elastically movable clamping block, and by setting a bearing at the front end of each movable clamping block to make dynamic contact with the workpiece during use. This significantly improves the sawing quality and saw blade life, reduces equipment operating costs, saves saw blade replacement time, and increases production efficiency. Furthermore, compared with the prior art, it can saw a wider range of workpiece sizes and offers high cost-effectiveness. Attached Figure Description

[0007] Figure 1 This is a schematic diagram of the overall structure of the saw head of a commonly used sawing machine in existing technology; Figure 2 This is a schematic diagram of the overall structure of this utility model; Figure 3 To and Figure 2 Schematic diagrams of the overall structure of this utility model from different viewing angles; Figure 4 for Figure 2 A schematic diagram of the exploded structure; Figure 5 To and Figure 4 A schematic diagram of an explosion structure in opposite directions.

[0008] The reference numerals in the above figures are as follows: 1. Spindle box; 11. Spindle; 12. First clamping block receiving groove; 2. Inspection door; 21. Second clamping block receiving groove; 3. Saw blade drive motor; 4. Synchronous belt transmission mechanism; 41. Cover; 5. Saw blade; 6. Clamping block; 61. Fixed clamping block; 62. Movable clamping block; 62-1. Bearing mounting groove; 63. Connecting spring; 7. Tungsten steel sheet; 8. Bearing. Detailed Implementation

[0009] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0010] (Example 1) See Figures 2 to 5 The sawing head of the sawing machine in this embodiment is mainly composed of a spindle box 1, an inspection door 2, a saw blade drive motor 3, a synchronous belt transmission mechanism 4, a saw blade 5, a clamping block 6, a tungsten steel sheet 7, and a bearing 8.

[0011] The spindle box 1 serves as the overall mounting base and a component for speed reduction transmission. Inside the spindle box 1 is a main shaft 11 for transmission. An inspection door 2 is detachably and fixedly connected to the spindle box 1 on its left side. A saw blade drive motor 3 is fixedly mounted on the rear side of the spindle box 1. A synchronous belt drive mechanism 4, equipped with a dustproof cover 41, enables transmission between the saw blade drive motor 3 and the main shaft 11 of the spindle box 1. A saw blade 5, fixedly mounted on the main shaft 11 of the spindle box 1, is used for rotating and cutting the workpiece. Clamping blocks 6 are located on both sides of the saw blade 5 to enhance its rigidity (i.e., to prevent severe axial swaying during operation). Tungsten steel sheets 7, used to enhance wear resistance, are fixedly mounted on the inner surface of the clamping blocks 6 near the front end of the saw blade 5. The aforementioned content described in this paragraph is essentially the same as existing technology.

[0012] The sawing head of this embodiment uses four movable clamping blocks 62 instead of four fixed clamping blocks 61 in the prior art. Each movable clamping block 62 has an inwardly recessed bearing mounting groove 62-1 at its front end. A bearing 8 is rotatably mounted in each bearing mounting groove 62-1, and the outer circumference of the outer ring of each bearing 8 protrudes beyond the end face of the movable clamping block 62 on which it is mounted. The rear ends of the two movable clamping blocks 62 located on the left and right sides of the saw blade 5 are elastically connected by a connecting spring 63. The spindle box 1... The left side of the main shaft box 1 is provided with a first clamping block receiving groove 12; the right side of the inspection door 2 is provided with a second clamping block receiving groove 21; the two movable clamping blocks 62 on the right side and their connecting springs 63 are movably disposed in the first clamping block receiving groove 12 of the main shaft box 1, and the two movable clamping blocks 62 on the left side and their connecting springs 63 are movably disposed in the second clamping block receiving groove 21 of the inspection door 2. The front end of each movable clamping block 62 extends forward elastically, and a tungsten steel sheet 7 with enhanced wear resistance is fixedly disposed on the side of the front end of each movable clamping block 62 near the saw blade 5.

[0013] With this improvement to the saw head in this embodiment, during operation, the saw blade 5 rotates, and the spindle box 1 and the saw blade 5 move closer to the workpiece for sawing under the drive of the saw head overall drive mechanism (not shown in the figure). The bearings 8 located in the front end of each movable clamping block 62 contact the workpiece surface and overcome the elastic force of the two connecting springs 63. This ensures that during sawing of workpieces of different sizes and during the sawing process, under the action of the elastic force of the two connecting springs 63, the bearings 8 in the front end of each movable clamping block 62 always maintain dynamic contact with the workpiece. Consequently, the four tungsten carbide plates 7 fixedly located on the inner side of the front end of the four movable clamping blocks 62 always remain in the foremost position, which means that the area of ​​the saw blade 5 in front of the four tungsten carbide plates 7 always remains in the minimum position. Therefore, compared with the prior art, the rigidity of the saw blade 5 can be significantly improved, the sawing quality and the life of the saw blade 5 can be greatly improved, the equipment operating cost can be reduced, the saw blade 5 replacement time can be saved, and the production efficiency can be improved. Moreover, compared with the prior art, the range of workpiece sizes that can be sawed is large, and the cost performance is high.

[0014] The above embodiments are descriptions of specific implementations of this utility model, and not limitations thereof. Those skilled in the art can make various changes and modifications to obtain corresponding equivalent technical solutions without departing from the spirit and scope of this utility model. Therefore, all equivalent technical solutions should be included in the patent protection scope of this utility model.

Claims

1. A sawing head for a sawing machine, comprising a spindle box serving as an integral mounting base and for speed reduction transmission, an inspection door detachably fixed to the left side of the spindle box, a saw blade drive motor fixed to the rear side of the spindle box, a synchronous belt drive mechanism for realizing the spindle drive connection between the saw blade drive motor and the spindle box, and a saw blade fixed to the left end of the spindle, characterized in that: It also includes two movable clamping blocks that are movably installed on the inspection doors on both sides of the saw blade and inside the spindle box; a tungsten steel sheet is fixedly installed on the front end of each movable clamping block near the saw blade; and a bearing is rotatably installed in the front end of each movable clamping block, which maintains elastic contact with the workpiece during use.

2. The sawing head of the sawing machine according to claim 1, characterized in that: Each movable clamping block has an inwardly recessed bearing mounting groove at its front end. A bearing is rotatably mounted in each bearing mounting groove, and the outer circumference of the outer ring of each bearing protrudes from the end face of the movable clamping block on which it is mounted. The rear ends of the two movable clamping blocks on each side of the saw blade are elastically connected by a connecting spring. A first clamping block receiving groove is provided on the left side of the spindle box, and a second clamping block receiving groove is provided on the right side of the inspection door. The two movable clamping blocks on the right side and their connecting springs are movably mounted in the first clamping block receiving groove of the spindle box, and the two movable clamping blocks on the left side and their connecting springs are movably mounted in the second clamping block receiving groove of the inspection door. The front end of each movable clamping block extends forward elastically.

Images