Cutter assembly of slitting machine

Abstract

The utility model discloses a slitting machine cutter assembly which comprises a cutter rest and a cutter installed on the cutter rest, and the cutter comprises a cutter holder which is of a hollow cylindrical structure and is arranged on the cutter rest in a sleeved mode; a groove is formed in the outer surface of the tool apron; two ends of the groove are communicated, and a notch deviates from the axis of the tool apron; the blade is arranged in the groove in a sleeving manner; the elastic piece is of an annular structure formed by connecting and enclosing the two ends, and the elastic piece is arranged in the groove in a sleeving mode and arranged between the blade and the tool apron. The elastic piece is arranged, and the two ends of the elastic piece are annularly clamped between the blade and the tool apron, so that the position of the blade in the cutting groove is conveniently and automatically adjusted, the blade always cuts along the edge, the blade is quickly aligned, and the cutting stability of the blade is high.

Description

Technical Field

[0001] The utility model relates to the technical field of cutters, in particular to a cutter assembly for a slitting machine. Background Art

[0002] The slitting machine is an automated production equipment that cuts raw materials into the required width according to different needs, reducing material waste, lowering labor costs, and improving production efficiency. The slitting machine tool assembly is the core component of the slitting machine. The design of the tool assembly determines the overall quality of the cut material.

[0003] The existing slitting machine tool assembly has the following main problems: first, the alignment of the blade and the cutting groove is cumbersome and difficult to adjust; second, the matching accuracy requirements between the blade circumference and the cutting groove are too high, and the position of the blade in the cutting groove is unstable during the rotating cutting process, resulting in poor tool stability. Utility Model Content

[0004] The purpose of the utility model is to overcome the defects in the prior art and provide a slitting machine tool assembly with convenient and rapid blade alignment and high blade cutting stability.

[0005] In order to achieve the above technical effects, the technical solution of the present invention is: a slitting machine tool assembly, including a tool holder and a tool mounted on the tool holder, the tool including:

[0006] The knife seat is a hollow cylindrical structure, which is sleeved on the knife holder; the outer surface of the knife seat is provided with a groove; the two ends of the groove are connected and the notch is away from the axis of the knife seat;

[0007] a blade, sleeved in the groove;

[0008] The elastic member is an annular structure formed by connecting and enclosing two ends, is sleeved in the groove and is arranged between the blade and the blade seat.

[0009] A preferred technical solution is that the knife holder includes a detachable fixing portion and a limiting portion, and the fixing portion and the limiting portion are connected and locked via a connecting piece; the fixing portion and the limiting portion are connected to form the groove.

[0010] A preferred technical solution is that the fixing portion of the knife seat is provided with a fracture, and the fixing portions on both sides of the fracture are locked by locking members, and the locking members are used to lock the knife seat and the knife holder.

[0011] The preferred technical solution is that the tool holder includes a tool shaft, a positioning shaft and two support seats, the tool shaft and the positioning shaft are arranged between the two support seats, and the axis of the tool shaft is parallel to the axis of the positioning shaft; the tool seat is sleeved on the tool shaft, and a plurality of cutting grooves are arranged at intervals on the side wall of the positioning shaft along the axial direction of the positioning shaft, and the blade is aligned and cuts into the cutting groove.

[0012] A preferred technical solution is that the groove includes a bottom wall and two side walls, and the elastic member and the blade are clamped between the two side walls.

[0013] The preferred technical solution is that the fixing part of the knife holder includes a locking section and a limiting section, the outer diameter of the locking section is larger than the outer diameter of the limiting section, and the inner diameter of the locking section is equal to the inner diameter of the limiting section; the elastic part is sleeved on the limiting section, and the connecting part connects the limiting part and the limiting section.

[0014] A preferred technical solution is that the groove is further provided with a gasket, and the blade is clamped between the gasket and the elastic member.

[0015] The advantages and beneficial effects of the present invention are that the elastic member is provided and the two ends of the elastic member are enclosed in a ring clamped between the blade and the knife seat, which facilitates self-adjustment of the position of the blade in the cutting groove, so that the blade always cuts close to the edge, the blade is quickly aligned and the blade cutting stability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 1 is a schematic diagram of the three-dimensional structure of the cutter assembly of the slitting machine in the embodiment;

[0017] Figure 2 1. It is a structural diagram of a support plate in a cutter assembly of a slitting machine according to an embodiment;

[0018] Figure 3 1 is a schematic diagram of the three-dimensional structure of the cutter in the cutter assembly of the slitting machine in the embodiment;

[0019] Figure 4 yes Figure 3 Schematic diagram of the explosion structure of the tool;

[0020] Figure 5 1. It is a schematic diagram of the three-dimensional structure of the knife seat in the knife assembly of the slitting machine in the embodiment;

[0021] In the figure: 1. tool holder; 11. tool shaft; 12. positioning shaft; 121. cutting groove; 13. support seat; 131. positioning through hole; 132. positioning waist hole; 2. tool; 21. tool holder; 211. fixing part; 2111. locking section; 2112. limiting section; 2113. fracture; 212. limiting part; 22. blade; 23. elastic part; 24. groove; 241. bottom wall; 242. side wall; 25. connecting part; 26. locking part; 27. gasket. DETAILED DESCRIPTION

[0022] The following embodiments are used to further describe the specific embodiments of the present invention in conjunction with the accompanying drawings and examples. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and are not intended to limit the scope of protection of the present invention.

[0023] In the description of the present invention, it should be noted that, unless otherwise specified, “plurality” means more than two; the terms “upper”, “lower”, “left”, “right”, “inside”, “outside”, etc., indicating directions or positional relationships, 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 direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0024] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integrally molded connections; they can refer to mechanical connections or electrical connections; and they can refer to direct connections or indirect connections. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0025] like Figure 1-5 As shown in the embodiment, a slitting machine tool assembly includes a tool holder 1 and a tool 2 mounted on the tool holder 1, wherein the tool 2 includes:

[0026] The tool holder 21 is a hollow cylindrical structure and is sleeved on the tool holder 1. The outer surface of the tool holder 21 is provided with a groove 24. The two ends of the groove 24 are connected and the notch is away from the axis of the tool holder 21.

[0027] The blade 22 is sleeved in the groove 24;

[0028] The elastic member 23 is an annular structure formed by connecting two ends and being sleeved in the groove 24 and disposed between the blade 22 and the blade seat 21 .

[0029] like Figure 1-2As shown, the tool holder 1 includes a tool shaft 11, a positioning shaft 12 and two support seats 13. The tool shaft 11 and the positioning shaft 12 are arranged between the two support seats 13, and the axis of the tool shaft 11 is parallel to the axis of the positioning shaft 12; the tool seat 21 is sleeved on the tool shaft 11, and a plurality of cutting grooves 121 are arranged at intervals along the axial direction of the positioning shaft 12. The blade 22 is aligned and cuts into the cutting groove 121.

[0030] The knife seat 21 is mounted on the knife shaft 11 of the knife holder 1 and can be adjusted in position on the knife shaft 11; further, at least two sets of knives 2 are arranged on the knife shaft 11, and the spacing between the blades 22 is the width of the material to be divided. The spacing between the two sets of knives 2 on the knife holder 1 can be adjusted to separate the material into a variety of different widths.

[0031] The setting of the elastic member 23, on the one hand, facilitates the blade 22 to quickly align and cut into the cutting groove 121. Specifically, the blade 22 is initially aligned with the cutting groove 121 by adjusting the position of the knife seat 21 on the knife shaft 11. The notch of the cutting groove 121 is a chamfered structure. After the initial alignment, the positioning shaft 12 is close to the knife shaft 11. If the blade 22 is at the edge of the arc surface formed by the chamfer, the elastic member 23 automatically adjusts the position of the blade 22 so that the blade 22 cuts into the cutting groove 121 along the arc surface, thereby achieving rapid alignment; on the other hand, the blade After the blade 22 cuts into the cutting groove 121, the blade 22 rotates at high speed to complete the strip cutting. The blade 22 is located between the elastic member 23 and the cutting groove 121. The elastic member 23 ensures that the blade 22 always sticks to the side of the cutting groove 121 for cutting. In particular, one rotation of the blade 22 cannot ensure that every circumference of the blade 22 is exactly fixed in the cutting groove 121. The setting of the elastic member 23 provides a fault tolerance space for the accuracy of the blade 22, adjusts the position of the blade 22 in the cutting groove 121, and improves the cutting stability of the tool 2.

[0032] The elastic member 23 is configured as an annular structure enclosed at both ends. Changes in the circumference of the elastic member 23 in the enclosed state affect the positional offset of the blade 22 in the groove 24. Specifically, when the elastic member 23 is extended, the inner diameter of the annular elastic member 23 increases, and vice versa.

[0033] In this embodiment, the inner diameter of the annular elastic member 23 is smaller than the outer diameter of the locking section 2111. The inner diameter of the annular elastic member 23 varies within a range of greater than or equal to the outer diameter of the limiting section 2112 and less than the outer diameter of the locking section 2111. Specifically, when the blade 22 moves toward the locking section 2111, the inner diameter of the annular elastic member 23 increases, and vice versa. The inner diameter of the annular elastic member 23 described above refers to the inner diameter of the annular ring formed by the elastic member 23, not the inner diameter of the elastic member 23 itself.

[0034] Furthermore, the blade 22 is provided with a groove 24 that fits with the elastic member 23 to limit the movement of the elastic member 23 .

[0035] like Figure 3-5 As shown, the groove 24 includes a bottom wall 241 and two side walls 242 , and the elastic member 23 and the blade 22 are sandwiched between the two side walls 242 .

[0036] In this embodiment, the bottom wall 241 of the groove 24 is a side surface of the limiting section 2112 , and the two side walls 242 of the groove 24 are an end surface of the limiting portion 212 and an end surface of the locking section 2111 , respectively.

[0037] The elastic member 23 and the blade 22 are limited by the two side walls 242 of the groove 24, thereby improving the stability of the blade 22 during the cutting process.

[0038] The positioning shaft 12 and the cutting slots 121 provided therein determine the position of the blades 22, thereby adjusting the spacing between the two blades 22 to achieve different slit widths. The positioning shaft 12 positions the blades 22 for cutting, and the blade shaft 11 rotates to complete the slitting process; the positioning shaft 12 and the blade shaft 11 cooperate to achieve the desired slit widths.

[0039] like Figure 3-5 As shown, in another preferred embodiment, the knife seat 21 includes a detachable fixing portion 211 and a limiting portion 212 , and the fixing portion 211 and the limiting portion 212 are connected and locked by a connecting member 25 ; the fixing portion 211 and the limiting portion 212 are connected to form a groove 24 .

[0040] The detachable setting of the knife seat 21 facilitates the installation of the elastic member 23 . The elastic member 23 is sleeved in the groove 24 . The groove 24 limits the movement of the elastic member 23 in the groove 24 along the axial direction of the knife seat 21 .

[0041] Furthermore, the connecting member 25 is a bolt; at least two connecting members 25 are provided to achieve locking of the fixing portion 211 and the limiting portion 212 , thereby improving the stability of the tool holder 21 .

[0042] In another preferred embodiment, the fixing portion 211 of the knife holder 21 includes a locking section 2111 and a limiting section 2112, the outer diameter of the locking section 2111 is larger than the outer diameter of the limiting section 2112, and the inner diameter of the locking section 2111 is equal to the inner diameter of the limiting section 2112; the elastic member 23 is sleeved on the limiting section 2112, and the connecting member 25 connects the limiting portion 212 and the limiting section 2112.

[0043] Furthermore, the outer diameter of the limiting portion 212 is larger than the outer diameter of the limiting section 2112 ; a groove 24 is formed between the limiting portion 212 , the limiting section 2112 and the locking section 2111 , and the elastic member 23 is fixed in the groove 24 .

[0044] like Figure 3-5As shown, in another preferred embodiment, the fixing portion 211 of the tool holder 21 is provided with a break 2113 , and the fixing portions 211 on both sides of the break 2113 are locked by locking members 26 , which are used to lock the tool holder 21 and the tool holder 1 .

[0045] In this embodiment, the cutout 2113 divides the blade holder 21 into two parts along the circumference of the blade holder 21. The cutout 2113 facilitates movement of the blade holder 21 on the shaft after the inner diameter of the blade holder 21 fits over the shaft of the tool holder 1, thereby facilitating movement of the blade 22. The locking member 26 secures the relative position of the blade holder 21 and the tool holder 1, thereby securing the position of the blade 22, after the blade 22 is adjusted into position.

[0046] like Figure 3-5 As shown, in another preferred embodiment, the groove 24 is further provided with a gasket 27 , and the blade 22 is sandwiched between the gasket 27 and the elastic member 23 .

[0047] The gasket 27 is made of rubber or silicone material, which has a buffering and shock-absorbing effect on the cutting movement of the blade 22 and prolongs the service life of the blade 22.

[0048] like Figure 3-5 As shown, a positioning through hole 131 and a positioning waist hole 132 are provided on the support seat 13. The positioning through hole 131 fixes the knife shaft 11, and the positioning waist hole 132 fixes the positioning shaft 12.

[0049] The positioning through hole 131 and the positioning waist hole 132 are provided to fix the knife shaft 11 and the positioning shaft 12 .

[0050] The position of the positioning shaft 12 in the positioning waist hole 132 is adjustable, and then the position of the positioning shaft 12 and the blade 22 is adjusted; specifically, when in use, there is a gap between the blade 22 and the positioning shaft 12 at the initial position of the positioning shaft 12 to facilitate the movement and adjustment of the knife seat 21 on the knife shaft 11; after the blade 22 is aligned with the cutting groove 121, the relative position of the positioning shaft 12 and the positioning waist hole 132 is adjusted so that the blade 22 cuts into the cutting groove 121 of the positioning shaft 12, and the positioning shaft 12 and the positioning waist hole 132 are locked by a nut to facilitate the striping operation.

[0051] Furthermore, the blade shaft 11 is connected to the positioning through hole 131 via a bearing to facilitate the rotation of the blade shaft 11.

[0052] The operating steps of the utility model are as follows:

[0053] Step 1: sequentially sleeve the elastic member 23 and the blade 22, i.e., the gasket 27, on the limiting section 2112 of the blade holder 21, bring the limiting section 212 into contact with the fixing section 211, and lock the limiting section 212 and the fixing section 211 with the connecting member 25;

[0054] Step 2: Slide the assembled tool 2 onto the blade shaft 11 and secure the blade shaft 11 to the positioning through hole 131 ; secure the positioning shaft 12 to the positioning waist hole 132 , leaving a gap between the positioning shaft 12 and the blade 22 on the blade shaft 11 ; adjust the position of the tool 2 on the blade shaft 11 until the blade 22 is aligned with the cutting groove 121 , and then use the locking member 26 to lock the fixing portion 211 of the blade holder 21 to lock the tool 2 and the blade shaft 11 ;

[0055] Step 3: According to Step 1 and Step 2, fix another set of cutting tools 2 on the cutting shaft 11 and align the blade 22 with another cutting groove 121;

[0056] Step 4: Adjust the positioning shaft 12 to the position of the positioning waist hole 132, cut the blade 22 into the cutting groove 121, and lock the positioning shaft 12 and the support seat 13; the above completes the assembly and positioning of the tool assembly.

[0057] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A slitting machine tool assembly, comprising a tool holder (1) and a tool (2) mounted on the tool holder (1), characterized in that: The tool (2) comprises: The knife seat (21) is a hollow cylindrical structure and is sleeved on the knife holder (1); a groove (24) is provided on the outer surface of the knife seat (21); the two ends of the groove (24) are connected and the notch is away from the axis of the knife seat (21); A blade (22) is sleeved in the groove (24); The elastic member (23) is an annular structure formed by connecting and enclosing two ends, is sleeved in the groove (24) and is arranged between the blade (22) and the blade seat (21).

2. The slitting machine tool assembly according to claim 1, characterized in that: The knife seat (21) comprises a detachable fixing portion (211) and a limiting portion (212), wherein the fixing portion (211) and the limiting portion (212) are connected and locked via a connecting piece (25); the fixing portion (211) and the limiting portion (212) are connected to form the groove (24).

3. The slitting machine tool assembly according to claim 2, characterized in that: The fixing portion (211) of the knife seat (21) is provided with a break (2113), and the fixing portions (211) on both sides of the break (2113) are locked by locking members (26), and the locking members (26) are used to lock the knife seat (21) and the knife holder (1).

4. The slitting machine tool assembly according to claim 1, characterized in that: The tool holder (1) comprises a tool shaft (11), a positioning shaft (12) and two support seats (13), wherein the tool shaft (11) and the positioning shaft (12) are arranged between the two support seats (13), and the axis of the tool shaft (11) is parallel to the axis of the positioning shaft (12); the tool holder (21) is sleeved on the tool shaft (11), and a plurality of cutting grooves (121) are arranged at intervals on the side wall (242) of the positioning shaft (12) along the axial direction of the positioning shaft (12), and the blade (22) is aligned and cuts into the cutting groove (121).

5. The slitting machine tool assembly according to claim 2, characterized in that: The groove (24) comprises a bottom wall (241) and two side walls (242), and the elastic member (23) and the blade (22) are sandwiched between the two side walls (242).

6. The slitting machine tool assembly according to claim 2, characterized in that: The fixing portion (211) of the knife seat (21) comprises a locking section (2111) and a limiting section (2112), the outer diameter of the locking section (2111) is larger than the outer diameter of the limiting section (2112), and the inner diameter of the locking section (2111) is equal to the inner diameter of the limiting section (2112); the elastic member (23) is sleeved on the limiting section (2112), and the connecting member (25) connects the limiting portion (212) and the limiting section (2112).

7. The slitting machine tool assembly according to claim 1, characterized in that: The groove (24) is further provided with a gasket (27), and the blade (22) is sandwiched between the gasket (27) and the elastic member (23).

Images