Saw blade clamping mechanism

Abstract

The utility model relates to a saw blade clamping mechanism which comprises a main shaft (1), an inner chuck (2) and an outer chuck (3) are arranged on the main shaft (1), a saw blade (4) is arranged on the inner side of the outer chuck (3), the outer end of the main shaft (1) is connected with a locking cylinder (5), and a pressure plate (6) is arranged between the locking cylinder (5) and the outer chuck (3). According to the saw blade clamping mechanism, the saw blade is convenient to disassemble and replace, the replacement time is saved, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a saw blade clamping mechanism belongs to metallurgical equipment technical field. BACKGROUND

[0002] In the bar machining process, the first necessary finishing process of the bar rolling line is sawing, and the grinding wheel saw is the most commonly used sawing equipment for bar production line due to its wide range of adaptation and high sawing quality. At present, most special steel plants arrange the grinding wheel saw on the output roller way of the cooling bed to saw the initially cooled bar, and several grinding wheel saws saw simultaneously or sequentially to improve the sawing efficiency and meet the requirements of fast rolling rhythm.

[0003] The existing saw blade chuck structure of the grinding wheel saw is not reasonable (see CN218518373U), the main chuck and the auxiliary chuck are installed on the output shaft and are fixed through the locking nut, and the locking nut is fixed through the locking piece and the circular pressing plate. This way has poor saw blade pressing stability, and the saw blade will loosen after being used for a period of time, which affects the sawing accuracy and quality; in addition, the saw blade will be worn during use, and at this time, the saw blade needs to be replaced, and the above-mentioned mechanism is very inconvenient for saw blade disassembly and replacement, which greatly reduces the production efficiency. SUMMARY

[0004] The utility model solves the technical problem in the prior art, provides a saw blade clamping mechanism, the saw blade is convenient to disassemble and replace, saves the replacement time, and improves the production efficiency.

[0005] The utility model adopts the technical scheme that a saw blade clamping mechanism, it includes the main shaft, be provided with inner chuck and outer chuck on the main shaft, the outer chuck inside is provided with saw blade, the outer end of main shaft is connected and is provided with locking cylinder, be provided with pressing disc between locking cylinder and outer chuck.

[0006] Optionally, the locking cylinder comprises a cylinder body, a piston rod is arranged in the cylinder body, and an inner nut, a distance sleeve and a stop nut are sequentially arranged on the piston rod from inside to outside.

[0007] Optionally, the inner nut and the piston rod are connected through threads.

[0008] Optionally, a stop pin is arranged on the inner side of the inner nut.

[0009] Optionally, a screw hole is formed in the center of the main shaft, and the stop nut and the screw hole are connected through threads.

[0010] Optionally, a tight screw is arranged between the stop nut and the piston rod.

[0011] Optionally, the pressing disc comprises a pressing disc body, and a plurality of pressing claws are arranged on the periphery of the pressing disc body.

[0012] Optionally, a plurality of accommodation grooves are arranged on the outer chuck, and the plurality of accommodation grooves correspond to the plurality of pressing claws.

[0013] Optionally, an arc-shaped groove is arranged on the pressing disc body, a limiting pin is arranged in the arc-shaped groove, a limiting hole is arranged on the outer side of the outer chuck, and the limiting pin is inserted into the limiting hole.

[0014] Optionally, a lifting appliance is arranged on the upper portion of the outer chuck, a clamping groove is arranged on the upper portion of the outer chuck, the lifting appliance is clamped in the clamping groove, and the lifting appliance and the clamping groove are connected through a bolt.

[0015] Compared with the prior art, the saw blade clamping mechanism has the following advantages:

[0016] 1. The saw blade is convenient to disassemble and replace, time for replacement is saved, and production efficiency is improved.

[0017] 2. The saw blade is pressed by the locking cylinder and the pressing disc, the pressing force is uniform, firm and reliable, the saw blade is not prone to loosening, and the stability of the saw blade pressing is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a structural schematic view of the saw blade clamping mechanism.

[0019] Figure 2 FIG. 2 is a side view of the saw blade clamping mechanism. Figure 1

[0020] Figure 3 FIG. 3 is a structural schematic view of a main shaft in the saw blade clamping mechanism. Figure 1

[0021] Figure 4 FIG. 4 is a structural schematic view of an inner chuck in the saw blade clamping mechanism. Figure 1

[0022] Figure 5 FIG. 5 is a structural schematic view of an outer chuck in the saw blade clamping mechanism. Figure 1

[0023] Among them:

[0024] Main shaft 1

[0025] Inner chuck 2

[0026] Outer chuck 3

[0027] Saw blade 4

[0028] Locking cylinder 5

[0029] Cylinder body 51 ​​​​

[0030] piston rod 52

[0031] pressure plate 6

[0032] pressure plate body 61

[0033] pressure claw 62

[0034] arc-shaped groove 63

[0035] inner nut 7

[0036] distance sleeve 8

[0037] stop nut 9

[0038] stop pin 10

[0039] threaded hole 11

[0040] set screw 12

[0041] quick-change joint 13

[0042] connecting bolt 14

[0043] allowance hole 15

[0044] positioning pin 16

[0045] allowance groove 17

[0046] limiting pin 18

[0047] limiting hole 19

[0048] lifting tool 20

[0049] clamping groove 21

[0050] latch 22. DETAILED DESCRIPTION

[0051] The saw blade clamping mechanism is further described in detail below in combination with the embodiments of the drawings.

[0052] Referring to Figures 1-5 The saw blade clamping mechanism comprises a main shaft 1, an inner chuck 2 and an outer chuck 3 are arranged on the main shaft 1, a saw blade 4 is arranged on the inner side of the outer chuck 3, a locking cylinder 5 is arranged at the outer end of the main shaft 1, and a pressure plate 6 is arranged between the locking cylinder 5 and the outer chuck 3.

[0053] The locking cylinder 5 comprises a cylinder body 51, a piston rod 52 is arranged in the cylinder body 51, an inner nut 7, a distance sleeve 8 and a stop nut 9 are sequentially arranged on the piston rod 52 from inside to outside.

[0054] The inner nut 7 and the piston rod 51 are connected through threads.

[0055] The inner nut 7 is internally provided with a stop pin 10;

[0056] The main shaft 1 is centrally provided with a threaded hole 11, and the stop nut 9 is connected with the threaded hole 11 through threads;

[0057] The stop nut 9 is provided with a set screw 12 between the stop nut 9 and the piston rod 52;

[0058] The cylinder body 51 is externally provided with a quick-change joint 13;

[0059] The saw blade 4 is connected with the outer chuck 3 through a plurality of connecting bolts 14;

[0060] The inner chuck 2 is externally provided with a clearance hole 15, and the connecting nut 14 is arranged in the clearance hole 15;

[0061] The inner chuck 2 is further provided with a positioning pin 16 between the inner chuck 2 and the outer chuck 3;

[0062] The pressure plate 6 comprises a pressure plate body 61, and a plurality of pressure claws 62 are arranged on the outer periphery of the pressure plate body 61;

[0063] A plurality of clearance grooves 17 are arranged on the outer chuck 3, and the plurality of clearance grooves 17 correspond to the plurality of pressure claws 62;

[0064] An arc-shaped groove 63 is arranged on the pressure plate body 61, a limiting pin 18 is arranged in the arc-shaped groove 63, a limiting hole 19 is arranged on the outer side of the inner chuck 2, and the limiting pin 18 is inserted into the limiting hole 19;

[0065] The outer chuck 3 is provided with a lifting appliance 20 at the upper portion;

[0066] The outer chuck 3 is provided with a clamping groove 21 at the upper portion, the lifting appliance 20 is clamped in the clamping groove 21, and the lifting appliance 20 and the clamping groove 21 are connected through a bolt 22.

[0067] In addition to the above-mentioned embodiments, the utility model also includes other implementation manners, and the technical solutions formed by adopting equivalent transformation or equivalent replacement should fall within the protection scope of the utility model claims.

Claims

1. A saw blade clamping mechanism, characterized by: It include main shaft (1), be provided with inner chuck (2) and outer chuck (3) on the main shaft (1), be provided with saw blade (4) inside the outer chuck (3), the outer end of the main shaft (1) is connected and is provided with locking cylinder (5), be provided with pressure plate (6) between the locking cylinder (5) and outer chuck (3).

2. A saw blade clamping mechanism according to claim 1, characterized in that: The locking cylinder (5) includes cylinder body (51), the piston rod (52) is worn in the cylinder body (51), the inner nut (7), the fixed distance cover (8) and the stop nut (9) are sequentially provided on the piston rod (52) from inside to outside.

3. A saw blade clamping mechanism according to claim 2, wherein: The inner nut (7) is connected through the thread between the piston rod (52).

4. A saw blade clamping mechanism according to claim 2, wherein: The inner side of the inner nut (7) is provided with a stop pin (10).

5. A saw blade clamping mechanism according to claim 2, wherein: The main shaft (1) is provided with a screw hole (11) in the center, and the stop nut (9) is connected through the thread between the screw hole (11).

6. A saw blade clamping mechanism according to claim 2, wherein: The stop nut (9) and the piston rod (52) are provided with a tight screw (12).

7. A saw blade clamping mechanism according to claim 1, wherein: The pressure plate (6) includes a pressure plate body (61), and a plurality of pressure claws (62) are arranged on the outer periphery of the pressure plate body (61).

8. A saw blade clamping mechanism according to claim 7, wherein: A plurality of accommodation grooves (17) are formed in the outer chuck (3), and the plurality of accommodation grooves (17) correspond to the plurality of pressure claws (62).

9. A saw blade clamping mechanism according to claim 7, wherein: An arc-shaped groove (63) is formed in the pressure plate body (61), a limiting pin (18) is arranged in the arc-shaped groove (63), a limiting hole (19) is arranged on the outer side of the outer chuck (3), and the limiting pin (18) is inserted into the limiting hole (19).

10. A saw blade clamping mechanism according to claim 1, characterized in that: The outer chuck (3) is provided with a lifting appliance (20) on the upper portion; the outer chuck (3) is provided with a clamping groove (21) on the upper portion, the lifting appliance (20) is clamped in the clamping groove (21), and the lifting appliance (20) and the clamping groove (21) are connected through a bolt (22).

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