Novel cutting knife

Abstract

The utility model relates to the technical field of cutting knives, in particular to a novel cutting knife which comprises a knife bar, an adjusting cushion block, a connecting rod and blades, one end of the knife bar is connected with the adjusting cushion block and the connecting rod, one end, far away from the adjusting cushion block, of the knife bar is connected with a plurality of groups of blades, and a first clamping seat and a second clamping seat are arranged at the positions, close to the blades, of the knife bar. A plurality of sets of limiting blocks are arranged in the first clamping base and the second clamping base, an opening groove is formed in the middle of the first clamping base and the second clamping base, a locking groove is formed in the upper end of the cutter bar, a locking bolt is connected into the locking groove, and connecting screw rods are arranged at the two ends of the connecting rod. Inserting grooves are formed in the ends, close to the adjusting cushion block, of the connecting rod and the cutter bar correspondingly, and multiple sets of limiting grooves are formed in the upper end and the lower end of the blade correspondingly.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting knives, in particular to a new type of cutting knife. Background Art

[0002] A cutting knife is a tool used to cut or trim various materials. It is widely used in mechanical equipment. The blades of cutting knives are mostly detachable structures and the shank is simply and directly locked by bolts. During long-term operation, the bolts become loose, affecting the stability of the blade. Moreover, the shank of the cutting knife is directly connected to the mechanical equipment. After long-term vibration and wear, it is difficult to maintain the stability of the connection as a whole.

[0003] At present, a Chinese patent with publication number CN210967871U discloses a tool fixing fixture for a vibrating knife cutting machine, which includes a mounting head and a chuck body, a tool handle is connected to the groove of the mounting head by screws, and a tool is connected to the bottom of the tool handle, a clamping block is installed on the outer wall of the tool handle, and a fastening bolt is connected to one end of the clamping block, and a connecting stud is connected to the top of the mounting head. In this utility model, as mentioned above, the blade and the tool rod are locked on the mounting head by simply fastening bolts. This method will certainly have the problem of poor stability of the cutting knife under harsh processing conditions.

[0004] Therefore, it is necessary to design a new type of cutting knife to solve the problems in the above background technology. Utility Model Content

[0005] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the utility model is to provide a new type of cutting knife.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A novel cutting knife comprises a knife bar, an adjusting pad, a connecting rod and a blade, wherein one end of the knife bar is connected to the adjusting pad and the connecting rod, and the end of the knife bar away from the adjusting pad is connected to multiple sets of blades;

[0008] The knife bar is provided with a first clamping seat and a second clamping seat near the blade, and a plurality of limit blocks are provided in the first clamping seat and the second clamping seat. A support groove is provided in the middle of the first clamping seat and the second clamping seat. A locking groove is provided at the upper end of the knife bar, and a locking bolt is connected in the locking groove.

[0009] Connecting screws are provided at both ends of the connecting rod;

[0010] The connecting rod and the knife rod are both provided with a plug-in groove at one end close to the adjusting pad;

[0011] A plurality of limiting grooves are arranged at the upper end and the lower end of the blade.

[0012] As a preferred solution of the utility model, the blade and the first clamping seat and the second clamping seat are connected by clamping, and the limiting block and the limiting groove are connected by sleeve connection.

[0013] As a preferred solution of the utility model, the locking bolt and the locking groove are screwed together by means of threads.

[0014] As a preferred solution of the utility model, the connecting rod is connected to the knife rod through a connecting screw.

[0015] As a preferred solution of the utility model, the adjusting pad and the connecting screw on the connecting rod are connected by sleeve connection.

[0016] As a preferred solution of the utility model, both ends of the adjusting pad are provided with limiting protrusions which are plug-connected with the plug-in grooves.

[0017] In summary, the technical effects and advantages of the utility model are as follows:

[0018] The new cutting knife has a blade on the first clamping seat and the second clamping seat to form a multi-angle cutting structure, which can simultaneously perform multi-directional cutting on the workpiece, reduce the situation of thread slippage during processing and replacing the cutting knife, and improve the processing efficiency. The blade and the first clamping seat and the second clamping seat are placed in a limited position by a limit block and a limit groove, and are locked by a locking bolt. The limit blocks with different structures further improve the stability of the plug-in, thereby improving the stability of the blade during operation. The connecting rod is connected to the knife rod through a connecting screw, and the adjusting pad and the connecting screw on the connecting rod are connected by a sleeve connection. Limiting protrusions that are plug-connected to the plug-in groove are provided at both ends of the adjusting pad to form a multi-section knife rod structure. The connecting rod is a replaceable structure and can be directly replaced like a blade after wear, and the main knife rod can continue to be used. The knife rod, connecting rod and blade are used together to form a structure in which all worn parts can be replaced, which improves the service life of the knife rod and ensures the overall operating accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application, but do not constitute an improper limitation of the present invention. In the drawings:

[0020] Figure 1 It is the overall structure diagram of the utility model;

[0021] Figure 2 This is a structural diagram of the connecting rod of the utility model;

[0022] Figure 3 This is a structural diagram of the knife bar of the utility model;

[0023] Figure 4 This is a structural diagram of the blade of the utility model.

[0024] In the figure: 1. knife bar; 101. first clamping seat; 102. second clamping seat; 103. limit block; 104. expansion slot; 105. locking slot; 106. locking bolt; 2. adjustment pad; 3. connecting rod; 301. plug-in slot; 302. connecting screw; 4. blade; 401. limit slot. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Reference Figure 1-Figure 4 A new type of cutting knife comprises a knife bar 1, an adjusting pad 2, a connecting rod 3 and a blade 4, one end of the knife bar 1 is connected with the adjusting pad 2 and the connecting rod 3, and the end of the knife bar 1 away from the adjusting pad 2 is connected with multiple groups of blades 4; the knife bar 1 is provided with a first clamping seat 101 and a second clamping seat 102 near the blade 4, and multiple groups of limit blocks 103 are arranged in the first clamping seat 101 and the second clamping seat 102, and a support groove 104 is opened in the middle of the first clamping seat 101 and the second clamping seat 102, and a locking groove 105 is opened at the upper end of the knife bar 1, and a locking bolt 106 is connected in the locking groove 105; connecting screws 302 are arranged at both ends of the connecting rod 3; the connecting rod 3 and the knife bar 1 are both provided with a plug-in groove 301 at one end near the adjusting pad 2; multiple groups of limit grooves 401 are opened at the upper and lower ends of the blade 4.

[0027] Reference Figure 1 , Figure 3 and Figure 4 , cutting knives are widely used in mechanical equipment. Most of the blades of cutting knives are detachable structures and locked by bolts. The bolts are loosened during long-term operation, affecting the stability of the blade 4. The blade rod of the cutting knife is directly connected to the mechanical equipment. After long-term vibration and wear, it is difficult to maintain the stability of the connection as a whole. The blade 4 and the first clamping seat 101 and the second clamping seat 102 are connected by clamping, the limit block 103 and the limit groove 401 are connected by sleeve connection, and the locking bolt 106 and the locking groove 105 are screwed and connected by threads. The blade 4 on the first clamping seat 101 and the second clamping seat 102 forms a multi-angle cutting structure, which can simultaneously perform multi-directional cutting on the workpiece, reduce the situation of replacing the cutting knife during processing, and improve the processing efficiency. The blade 4 and the first clamping seat 101 and the second clamping seat 102 are placed by the limit block 103 and the limit groove 401, and locked by the locking bolt 106. The limit blocks 103 with different structures further improve the stability of the plug-in, thereby improving the stability of the blade 4 during operation.

[0028] Reference Figure 1 , Figure 2 and Figure 3 The connecting section of the cutting knife is prone to wear after long-term use, affecting the overall operation. The connecting rod 3 is connected to the knife rod 1 through the connecting screw 302, and the adjusting pad 2 and the connecting screw 302 on the connecting rod 3 are connected by a sleeve connection. Both ends of the adjusting pad 2 are provided with limiting protrusions that are plugged into the plug-in groove 301 to form a multi-section knife rod structure. The connecting rod 3 is a replaceable structure and can be directly replaced like the blade 4 after wear. The main knife rod 1 can continue to be used, and the knife rod 1, connecting rod 3 and blade 4 are used together to form a structure in which all worn parts can be replaced, thereby improving the service life of the knife rod 1 and ensuring the overall operation accuracy.

[0029] Working principle: The blade 4 of the new cutting knife is connected to the first clamping seat 101 and the second clamping seat 102 by clamping, the limit block 103 and the limit groove 401 are connected by sleeve connection, and the locking bolt 106 and the locking groove 105 are screwed together by threading. The blade 4 on the first clamping seat 101 and the second clamping seat 102 forms a multi-angle cutting structure, which can simultaneously perform multi-directional cutting on the workpiece, reduce the situation of thread slippage during processing and replacing the cutting knife, and improve the processing efficiency. The blade 4 and the first clamping seat 101 and the second clamping seat 102 are placed in a limited position by the limit block 103 and the limit groove 401, and are locked by the locking bolt 106, and the limit blocks 1 of different structures are arranged in a fixed position. 03 further improves the stability of the plug-in, thereby improving the stability of the blade 4 during operation. The connecting section of the cutting knife is prone to wear after long-term use, which affects the overall operation. The connecting rod 3 is connected to the knife rod 1 through the connecting screw 302, and the adjusting pad 2 and the connecting screw 302 on the connecting rod 3 are connected by a sleeve connection. Both ends of the adjusting pad 2 are provided with limiting protrusions that are plugged into the plug-in groove 301 to form a multi-section knife rod structure. The connecting rod 3 is a replaceable structure and can be directly replaced like the blade 4 after wear. The main knife rod 1 can continue to be used, and the knife rod 1, connecting rod 3 and blade 4 are used together to form a structure in which all worn parts can be replaced, thereby improving the service life of the knife rod 1 and ensuring the overall operation accuracy.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel cutting knife, comprising a knife bar (1), an adjusting pad (2), a connecting rod (3) and a blade (4), characterized in that: One end of the knife rod (1) is connected to an adjusting pad (2) and a connecting rod (3), and one end of the knife rod (1) away from the adjusting pad (2) is connected to a plurality of sets of blades (4); The knife rod (1) is provided with a first clamping seat (101) and a second clamping seat (102) near the blade (4); a plurality of groups of limit blocks (103) are provided in the first clamping seat (101) and the second clamping seat (102); a support groove (104) is provided in the middle of the first clamping seat (101) and the second clamping seat (102); a locking groove (105) is provided at the upper end of the knife rod (1); a locking bolt (106) is connected to the locking groove (105); Both ends of the connecting rod (3) are provided with connecting screws (302); The connecting rod (3) and the knife rod (1) are both provided with a plug-in slot (301) at one end close to the adjustment pad (2); The upper end and the lower end of the blade (4) are both provided with a plurality of groups of limiting grooves (401).

2. A new type of cutting knife according to claim 1, characterized in that: The blade (4) and the first clamping seat (101) and the second clamping seat (102) are connected by clamping, and the limiting block (103) and the limiting groove (401) are connected by sleeve connection.

3. A new type of cutting knife according to claim 1, characterized in that: The locking bolt (106) and the locking groove (105) are screwed together via threads.

4. A new type of cutting knife according to claim 1, characterized in that: The connecting rod (3) is connected to the knife rod (1) via a connecting screw rod (302).

5. A new type of cutting knife according to claim 1, characterized in that: The adjusting cushion block (2) and the connecting screw (302) on the connecting rod (3) are connected via a sleeve connection.

6. A new type of cutting knife according to claim 1, characterized in that: Both ends of the adjustment pad (2) are provided with limiting protrusions which are plug-connected to the plug-in grooves (301).

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