Circular cutter shaft body

Abstract

The utility model relates to a circular cutter shaft body, which belongs to the technical field of die cutting processing, and comprises a cutter shaft body and a fixing piece, the outer side of the cutter shaft body is sleeved with a plurality of circular cutter bodies, and the outer side of the cutter shaft body is provided with an installation adjusting assembly used for positioning and installing the circular cutter bodies. The left side of the fixing piece is fixedly connected with a positioning insertion block, and the interior of the fixing piece is rotationally connected with a plurality of fastening screws. According to the circular cutter shaft body, the basic design of a circular cutter die can be changed by shortening the design of the cutter shaft body, so that the steel consumption is effectively reduced, the die cost is saved, and the machining efficiency is improved; when the die is manufactured, only half of the shaft body and the cutting die need to be manufactured, the die production efficiency can be effectively improved, the circular cutter die manufacturing cost is reduced, and the product competitiveness is improved; in addition, the fixing piece can be matched with a fastening screw to achieve installation and positioning of the cutter shaft bodies of different sizes, and therefore the applicability and the practical effect of the device are conveniently enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of die cutting processing, in particular to a circular knife shaft body. Background Art

[0002] Die-cutting products are widely used in automobile manufacturing and electronics industries, especially in the flat panel display industry, where thin layered materials are generally used and basically need to be die-cut; insulating materials, shockproof materials, heat-resistant insulation materials, adhesive products, dust-proof materials, shielding materials, etc. are all manufactured using die-cutting technology; rotary die-cutting machines, also commonly known as circular knife die-cutting machines or circular cutting machines, are also commonly called circular knives because their knife dies are round.

[0003] The patent document with the announcement number CN216177078U proposes an adjustable circular knife tool, including a circular knife shaft, a spring, a clamping bead, a knife sleeve, a mounting ring, and a circular knife blade. The circular knife shaft is provided with a plurality of knife sleeves, and the inner side wall of each knife sleeve is provided with at least two receiving grooves, and a spring is fixed inside each receiving groove, and a clamping bead is fixed at the other end of each spring...; Through the setting of the knife sleeve, the patent can install the circular knife blade on one side or both sides according to actual needs, so that the spacing between adjacent circular knife blades can be set to be equal or unequal, so as to realize diversified adjustment.

[0004] Traditional circular knife mold shafts are all one-piece structures, the shaft size is relatively long, and the steel cost during the manufacturing process is high, which increases the production cost; in view of this, the present application proposes a circular knife shaft. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a circular knife shaft body, which has the advantages of being able to change the basic design of the circular knife mold by shortening the design of the knife shaft body, so as to effectively reduce the amount of steel used, save mold costs, and improve processing efficiency. It solves the problem that the shaft bodies of existing circular knife molds are all one-piece structures, the shaft body size is relatively long, the steel cost in the manufacturing process is high, and the production cost is increased.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circular knife shaft body, including a knife shaft body and a fixing part, the outer side of the knife shaft body is sleeved with a plurality of circular knife bodies, the outer side of the knife shaft body is provided with an installation and adjustment component for realizing the positioning and installation of the circular knife body, the left side of the fixing part is fixedly connected with a positioning plug, the interior of the fixing part is rotatably connected with a plurality of fastening screws, the outer side of the fixing part is sleeved with a rotating gear ring, the interior of the fixing part is provided with a transmission component for linking the fastening screw and the rotating gear ring, and the outer side of the fixing part is provided with a limit component for limiting the rotating gear ring.

[0007] Furthermore, a connecting plate is detachably connected to the right side of the fixing member and the left side of the blade shaft body. A driving shaft is fixedly connected to the connecting plate on the left side of the blade shaft body, and a rotating shaft is fixedly connected to the connecting plate on the right side of the fixing member.

[0008] Furthermore, the interior of the right connecting plate is movably connected with a first mounting bolt, and the interior of the left connecting plate is movably connected with a second mounting bolt.

[0009] Furthermore, a driving gear is fixedly connected to the outer side of the driving shaft, and a mounting thread groove is provided on the right side of the fixing member and the left side of the knife shaft body.

[0010] Furthermore, the installation and adjustment component includes a plurality of positioning thread grooves opened on the upper and lower sides of the knife shaft body, the interior of the circular knife body is movably connected with a positioning bolt that is threadably adapted to the positioning thread groove, and the outer side of the knife shaft body is provided with scale lines.

[0011] Furthermore, the transmission assembly includes a fixed block fixedly connected to the inside of the fixing member, the inside of the fixing block is rotatably connected to a rotating rod, the right side of the rotating rod is fixedly connected to a second transmission gear, and the inside of the fixing member is rotatably connected to a third transmission gear meshing with the second transmission gear and the rotating gear ring.

[0012] Furthermore, the transmission assembly also includes a first transmission gear fixedly connected to the left side of the rotating rod, and the right side of the fastening screw is fixedly connected to a rotating gear meshing with the first transmission gear.

[0013] Furthermore, the limit assembly includes a limit frame fixedly connected to the bottom of the fixing member, a pull rod is slidably connected inside the limit frame, a positioning block is fixedly connected to the left side of the pull rod, an extrusion spring fixedly connected to the positioning block and the limit frame is sleeved on the outer side of the pull rod, and a plurality of positioning grooves are opened on the right side of the rotating gear ring.

[0014] Furthermore, the blade shaft body and the fixing member are both hollow cylindrical structures, and a limiting ring groove that is slidably matched with the rotating gear ring is provided on the outer side of the fixing member.

[0015] Furthermore, a slot corresponding to the position of the positioning plug is opened on the right side of the knife shaft body, and a fastening thread groove corresponding to the position of the fastening screw is opened on the right side of the knife shaft body.

[0016] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0017] The circular knife shaft body can change the basic design of the circular knife mold by shortening the design of the knife shaft body, so as to effectively reduce the amount of steel used, save mold costs, and improve processing efficiency; when making the mold, only half of the shaft body and knife mold need to be made, which can effectively improve the mold production efficiency, reduce the cost of circular knife mold production, and increase product competitiveness; in addition, the fixing parts can cooperate with the set fastening screws to achieve the installation and positioning of knife shaft bodies of different sizes, thereby facilitating the enhancement of the applicability and practical effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a front view of the structure of the utility model;

[0019] Figure 2 This is a structural sectional view of the knife shaft body of the utility model;

[0020] Figure 3 This is a structural cross-sectional view of the fixing member of the utility model;

[0021] Figure 4 For this utility model Figure 3 The structural diagram at A in the middle;

[0022] Figure 5 This is a structural stereogram of the knife shaft body of the utility model;

[0023] Figure 6 It is a structural stereogram of the fixing member of the utility model.

[0024] In the figure: 1. knife shaft body; 101. positioning thread groove; 102. slot; 103. fastening thread groove; 2. fixing piece; 201. limiting ring groove; 3. driving shaft; 4. driving gear; 5. scale line; 6. circular knife body; 7. positioning bolt; 8. positioning plug block; 9. fastening screw; 10. rotating gear; 11. fixing block; 12. rotating rod; 13. first transmission gear; 14. second transmission gear; 15. third transmission gear; 16. rotating gear ring; 17. connecting plate; 18. rotating shaft; 19. first mounting bolt; 20. limiting frame; 21. pull rod; 22. positioning block; 23. extrusion spring; 24. mounting thread groove; 25. second mounting bolt. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-6The circular cutter shaft body in this embodiment includes a cutter shaft body 1 and a fixing member 2.

[0027] In this embodiment, a plurality of circular knife bodies 6 are sleeved on the outer side of the knife shaft body 1. The knife shaft body 1 and the fixing part 2 are both hollow cylindrical structures, which can effectively reduce the amount of steel used. An installation and adjustment component for positioning and installing the circular knife body 6 is provided on the outer side of the knife shaft body 1.

[0028] Among them, the installation and adjustment component includes a plurality of positioning thread grooves 101 opened on the upper and lower sides of the knife shaft body 1, and the internal movably connected circular knife body 6 is provided with a positioning bolt 7 threadably adapted to the positioning thread groove 101. The outer side of the knife shaft body 1 is provided with a scale line 5, which is convenient for accurately adjusting the distance between two adjacent circular knife bodies 6 according to the scale line 5. After the adjustment is completed, the positioning installation of the circular knife body 6 can be achieved by the positioning bolt 7.

[0029] In this embodiment, a positioning block 8 is fixedly connected to the left side of the fixing member 2, and a slot 102 corresponding to the position of the positioning block 8 is opened on the right side of the blade shaft body 1, so that the positioning block 8 can be conveniently extended to the blade shaft body 1 by using the slot 102, thereby realizing the coaxial positioning of the blade shaft body 1 and the fixing member 2; a plurality of fastening screws 9 are rotatably connected inside the fixing member 2, and a fastening thread groove 103 corresponding to the position of the fastening screw 9 is opened on the right side of the blade shaft body 1, so that the fastening screw 9 can be conveniently extended to the blade shaft body 1 by using the fastening thread groove 103, thereby maintaining a firm connection between the blade shaft body 1 and the fixing member 2.

[0030] Among them, the outer side of the fixing part 2 is sleeved with a rotating gear ring 16, and the outer side of the fixing part 2 is provided with a limiting ring groove 201 which is slidably adapted to the rotating gear ring 16, so as to facilitate the rotating gear ring 16 to rotate in the limiting ring groove 201, thereby limiting the left and right movement of the rotating gear ring 16; the interior of the fixing part 2 is provided with a transmission component for linking the fastening screw 9 and the rotating gear ring 16.

[0031] In this embodiment, the transmission assembly includes a fixed block 11 fixedly connected to the inside of the fixed member 2, the fixed block 11 is internally rotatably connected to a rotating rod 12, the right side of the rotating rod 12 is fixedly connected to a second transmission gear 14, and the inside of the fixed member 2 is internally rotatably connected to a third transmission gear 15 meshing with the second transmission gear 14 and a rotating gear ring 16, so that the rotating gear ring 16 can drive the rotating rod 12 to rotate using the third transmission gear 15.

[0032] Among them, the transmission assembly also includes a first transmission gear 13 fixedly connected to the left side of the rotating rod 12, and the right side of the fastening screw 9 is fixedly connected with a rotating gear 10 meshing with the first transmission gear 13, so that the rotating rod 12 can use the first transmission gear 13 to drive the rotating gear 10 to rotate, thereby realizing the rotation adjustment of the fastening screw 9.

[0033] Among them, a limit assembly for limiting the rotation of the gear ring 16 is provided on the outer side of the fixing member 2, and the limit assembly includes a limit frame 20 fixedly connected to the bottom of the fixing member 2, a pull rod 21 is slidably connected inside the limit frame 20, a positioning block 22 is fixedly connected to the left side of the pull rod 21, and an extrusion spring 23 fixedly connected to the positioning block 22 and the limit frame 20 is sleeved on the outer side of the pull rod 21. A plurality of positioning grooves are provided on the right side of the rotating gear ring 16, which facilitates the positioning block 22 to extend into the positioning groove under the action of the extrusion spring 23, thereby limiting the rotation of the rotating gear ring 16.

[0034] In this embodiment, a rotating shaft 18 is fixedly connected to the connecting plate 17 on the right side of the fixing member 2, a driving shaft 3 is fixedly connected to the connecting plate 17 on the left side of the knife shaft body 1, and a driving gear 4 is fixedly connected to the outer side of the driving shaft 3, so that the driving gear 4 can be used to conveniently engage with the gears on the external slitting machine driving structure.

[0035] Among them, the right side of the fixing member 2 and the left side of the knife shaft body 1 are detachably connected with a connecting plate 17, the inside of the right connecting plate 17 is movably connected with a first mounting bolt 19, and the inside of the left connecting plate 17 is movably connected with a second mounting bolt 25. The right side of the fixing member 2 and the left side of the knife shaft body 1 are both provided with mounting thread grooves 24, which facilitate the first mounting bolt 19 and the second mounting bolt 25 to extend to the inside of the fixing member 2 and the knife shaft body 1 using the mounting thread grooves 24, thereby realizing the fixation of the left and right connecting plates 17.

[0036] The beneficial effects of the above embodiments are:

[0037] The circular knife shaft body can change the basic design of the circular knife mold by shortening the design of the knife shaft body 1, so as to effectively reduce the amount of steel used, save mold costs, and improve processing efficiency; when making the mold, only half of the shaft body and knife mold need to be made, which can effectively improve the mold production efficiency, reduce the cost of circular knife mold production, and increase product competitiveness; in addition, the fixing part 2 can cooperate with the set fastening screw 9 to achieve the installation and positioning of knife shaft bodies 1 of different sizes, thereby facilitating the enhancement of the applicability and practical effect of the device.

[0038] The working principle of the above embodiment is:

[0039] When the circular knife shaft body is used, the circular knife body 6 needs to be sleeved on the knife shaft body 1 first, and the distance between two adjacent circular knife bodies 6 is accurately adjusted according to the set scale line 5. After the adjustment is completed, the circular knife body 6 can be positioned and installed by the positioning bolt 7;

[0040] Then, the fixing member 2 needs to be placed on the blade shaft body 1, and the third transmission gear 15 is driven to rotate by operating the rotating gear ring 16, so that the third transmission gear 15 drives the rotating rod 12 to rotate, so that the rotating rod 12 drives the rotating gear 10 to rotate by the first transmission gear 13, so as to realize the rotation adjustment of the fastening screw 9, and extend the fastening screw 9 into the fastening thread groove 103, so as to keep the blade shaft body 1 and the fixing member 2 connected firmly;

[0041] Afterwards, the first mounting bolt 19 and the second mounting bolt 25 can be used to connect the fixing member 2 and the cutter shaft body 1 to the connecting plates 17 on the left and right sides respectively. At this time, the driving structure on the external slitting machine can drive the cutter shaft body 1 to rotate by the driving gear 4 to achieve die cutting.

[0042] In addition, during the manufacturing process, the basic design of the circular knife mold can be changed by shortening the design of the knife shaft body 1, so as to effectively reduce the amount of steel used, save mold costs, and improve processing efficiency.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0044] 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 circular knife shaft body, comprising a knife shaft body (1) and a fixing member (2), characterized in that: A plurality of circular knife bodies (6) are sleeved on the outer side of the knife shaft body (1), and an installation and adjustment component for realizing the positioning and installation of the circular knife body (6) is arranged on the outer side of the knife shaft body (1). A positioning plug (8) is fixedly connected to the left side of the fixing member (2), and a plurality of fastening screws (9) are rotatably connected inside the fixing member (2). A rotating gear ring (16) is sleeved on the outer side of the fixing member (2), and a transmission component for linking the fastening screw (9) and the rotating gear ring (16) is arranged inside the fixing member (2), and a limit component for limiting the rotating gear ring (16) is arranged on the outer side of the fixing member (2).

2. The circular knife shaft according to claim 1, characterized in that: The right side of the fixing member (2) and the left side of the blade shaft body (1) are both detachably connected with a connecting plate (17); the connecting plate (17) on the left side of the blade shaft body (1) is fixedly connected to the driving shaft (3); and the connecting plate (17) on the right side of the fixing member (2) is fixedly connected to the rotating shaft (18).

3. The circular knife shaft body according to claim 2, characterized in that: A first mounting bolt (19) is movably connected inside the right connecting plate (17), and a second mounting bolt (25) is movably connected inside the left connecting plate (17).

4. The circular knife shaft body according to claim 3, characterized in that: The outer side of the driving shaft (3) is fixedly connected to a driving gear (4), and the right side of the fixing member (2) and the left side of the knife shaft body (1) are both provided with mounting thread grooves (24).

5. The circular knife shaft body according to claim 1, characterized in that: The installation and adjustment assembly comprises a plurality of positioning thread grooves (101) provided on the upper and lower sides of the knife shaft body (1); a positioning bolt (7) threadably connected to the inside of the circular knife body (6) and adapted to the positioning thread groove (101); and a scale mark (5) is provided on the outside of the knife shaft body (1).

6. The circular knife shaft body according to claim 1, characterized in that: The transmission assembly comprises a fixed block (11) fixedly connected to the interior of the fixed member (2); a rotating rod (12) is rotatably connected to the interior of the fixed block (11); a second transmission gear (14) is fixedly connected to the right side of the rotating rod (12); and a third transmission gear (15) meshing with the second transmission gear (14) and a rotating gear ring (16) is rotatably connected to the interior of the fixed member (2).

7. The circular knife shaft body according to claim 6, characterized in that: The transmission assembly also includes a first transmission gear (13) fixedly connected to the left side of the rotating rod (12), and a rotating gear (10) meshing with the first transmission gear (13) is fixedly connected to the right side of the fastening screw (9).

8. The circular knife shaft body according to claim 1, characterized in that: The limiting assembly comprises a limiting frame (20) fixedly connected to the bottom of the fixing member (2), a pull rod (21) is slidably connected inside the limiting frame (20), a positioning block (22) is fixedly connected to the left side of the pull rod (21), an extrusion spring (23) fixedly connected to the positioning block (22) and the limiting frame (20) is sleeved on the outside of the pull rod (21), and a plurality of positioning grooves are provided on the right side of the rotating gear ring (16).

9. The circular knife shaft body according to claim 1, characterized in that: The blade shaft body (1) and the fixing member (2) are both hollow cylindrical structures, and the outer side of the fixing member (2) is provided with a limiting ring groove (201) that is slidably matched with the rotating gear ring (16).

10. The circular knife shaft body according to claim 1, characterized in that: The right side of the knife shaft body (1) is provided with a slot (102) corresponding to the position of the positioning plug (8), and the right side of the knife shaft body (1) is provided with a fastening thread groove (103) corresponding to the position of the fastening screw (9).

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