Tool apron structure of circular knife die-cutting machine
By using a split-type blade holder structure and locking mechanism, the rotary blade of the circular die-cutting machine can be quickly adapted to different sizes for installation, solving the problem of poor installation convenience in existing technologies and improving production efficiency.
Patent Information
- Application Number
- CN202520091530.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-15
AI Technical Summary
The existing rotary die-cutting machine's blade holder is difficult to quickly adapt to the installation of different sized rotary cutters, resulting in poor installation convenience and affecting production efficiency.
It adopts a split lower column and upper column structure, combined with a rotating component and a locking mechanism, so that the upper column can rotate and be radially locked, which can accommodate the installation of different sized rollers. By rotating the upper column to adjust the position of the connecting bushing, precise docking with the cylindrical roller can be achieved.
This improves the ease of installation and replacement efficiency of the roller cutter, ensures a stable fit between the roller cutter and the cylindrical roller, and enhances production efficiency.
Smart Images

Figure CN223948050U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a die -cutting machine technical field, especially a kind of knife seat structure of round knife die -cutting machine. BACKGROUND
[0002] Round knife die -cutting machine is in the form of hob continuous rotary die cutting processing, it is one of the highest production efficiency equipment in die cutting machine, is widely used in mobile phone, computer, liquid crystal display, digital camera, LCD backlight source etc.
[0003] Currently, the hob on the round knife die -cutting machine is generally used in cooperation with cylindrical roller, cylindrical roller is installed below hob, when the cutting strip is transmitted between hob and cylindrical roller, the relative extrusion of the two to the strip, cooperate the blade on hob to realize the die cutting of strip;
[0004] But the knife seat of present round knife die -cutting machine can meet the demand of replacing different sizes of hob, but because different sizes of hob need to cooperate with cylindrical roller after installation, so it is necessary to adjust the position of hob on knife seat after each installation, affect the convenience of installation of hob on knife seat, thereby reduce the convenience of use of knife seat, for this, present a kind of knife seat structure of round knife die -cutting machine. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of knife seat structure of round knife die -cutting machine, to solve the problems raised in the above background technology.
[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of knife seat structure of round knife die -cutting machine, comprising:
[0007] Bearing bottom plate, the bearing bottom plate top end fixed installation has knife seat assembly, the knife seat assembly is used for the bearing of hob;
[0008] Wherein, the knife seat assembly includes:
[0009] Lower stand, the lower stand top end is equipped with rotating assembly;
[0010] Upper stand, the upper stand is rotatably connected with lower stand by rotating assembly, the radial outer wall of the upper stand is rotatably connected with connecting shaft sleeve, multiple connecting shaft sleeves are arranged from top to bottom at intervals;
[0011] Locking mechanism, the locking mechanism is arranged at the top of lower stand, and the locking mechanism is used for the locking of the position of upper stand on lower stand.
[0012] Preferably, the knife seat assembly is two and is arranged at the top position of bearing bottom plate in parallel interval, the upper stand is multi-surface column body, and cylindrical roller is rotatably installed between the two lower stands.
[0013] Preferably, the rotating assembly comprises:
[0014] A rotating disc is arranged in the convex slot at the top of the lower column, and the rotating disc is rotatably connected to the inside of the convex slot.
[0015] A connecting shaft is fixedly connected to the middle of the top end of the rotating disc, and the connecting shaft penetrates through the top end of the lower column and is fixed to the bottom end of the upper column.
[0016] Preferably, the locking mechanism comprises:
[0017] An outer shell is fixedly connected to the top of the side wall of the lower column, and the inner cavity of the outer shell is in communication with the convex slot.
[0018] A positioning bolt is slidably connected to one end of the outer shell close to the lower column, and a plurality of locking grooves matched with the positioning bolt are arranged in the side wall of the rotating disc.
[0019] Preferably, the side of the outer shell away from the lower column is movably connected with an auxiliary pull handle, and one end of the auxiliary pull handle extends into the inner cavity of the outer shell and is fixedly connected to the side wall of the positioning bolt.
[0020] Preferably, a return spring is movably sleeved at the end of the auxiliary pull handle, one end of the return spring is fixedly connected to the inner wall of the outer shell, and the other end of the return spring is fixedly connected to the side wall of the positioning bolt.
[0021] Compared with the prior art, the technical effects of the utility model are:
[0022] The utility model discloses a cutter holder assembly is arranged into the split structure of lower column and upper column, and the rotating assembly between the two is matched to realize the rotation of the upper column on the lower column, and the locking mechanism is utilized to realize the radial locking of the upper column, so that the upper column can be installed on the connecting shaft sleeve of different height positions on each surface, can adapt to the installation of different sizes of the hob, and the operation is convenient and efficient, and the utility model is more suitable for the use demand of hob replacement. BRIEF DESCRIPTION OF DRAWINGS
[0023] Fig. 1 It is the overall structure schematic diagram of the utility model.
[0024] Fig. 2 It is the partial three-dimensional sectional view structure schematic diagram of the lower column of the utility model.
[0025] Fig. 3 It is the front sectional view structure schematic diagram of the locking mechanism of the utility model.
[0026] In the figure: 100, bearing bottom plate; 200, tool holder assembly; 201, lower stand; 202, upper stand; 203, convex slot; 204, rotating disc; 205, connecting shaft; 206, locking groove; 300, connecting shaft sleeve; 400, locking mechanism; 401, outer shell; 402, positioning bolt; 403, return spring; 404, auxiliary pull handle. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0028] The utility model provides a kind of tool holder structure of round knife die cutting machine as Figs. 1-3 The utility model provides a kind of tool holder structure of round knife die cutting machine as
[0029] Embodiment 1, including bearing bottom plate 100, bearing bottom plate 100 top end fixed installation has tool holder assembly 200, tool holder assembly 200 is two and parallel interval is arranged in the top position of bearing bottom plate 100, tool holder assembly 200 is used for the bearing of hob; Wherein, tool holder assembly 200 includes lower stand 201, upper stand 202 and locking mechanism 400, upper stand 202 is multi-face column body, two lower stand 201 are rotatably installed with cylindrical roller, lower stand 201 top end is equipped with rotating assembly, upper stand 202 is rotatably connected with lower stand 201 by rotating assembly, the radial outer wall of upper stand 202 is rotatably connected with connecting shaft sleeve 300, a plurality of connecting shaft sleeves 300 are interval arranged from top to bottom, so that the assembly height of connecting shaft sleeve 300 on each face of upper stand 202 is inconsistent, so that the hob of different sizes can be assembled by selecting the connecting shaft sleeve 300 on different face positions of upper stand 202, so as to meet the demand of adapting to the position of cylindrical roller, locking mechanism 400 is arranged on the top of lower stand 201, locking mechanism 400 is used for locking the position of upper stand 202 on lower stand 201, by rotating upper stand 202, the opposite face of two upper stands 202 is adjusted, so as to switch the connecting shaft sleeve 300 on the opposite side of two upper stands 202, so that the hob of different sizes can be installed between the opposite two connecting shaft sleeves 300, to meet the mutual adaptation of hob and lower cylindrical roller position, finally, the radial position of upper stand 202 is locked by locking mechanism 400, so that upper stand 202 cannot rotate, that is, the stability of hob use can be guaranteed, so that the disassembly and replacement of hob are more convenient and efficient, and more meet the use demand.
[0030] The rotating assembly comprises a rotating disc 204 and a connecting shaft 205. The top of the lower stand column 201 is provided with a convex slot 203. The rotating disc 204 is rotatably connected to the inside of the convex slot 203. The connecting shaft 205 is fixedly connected to the middle part of the top end of the rotating disc 204. The connecting shaft 205 penetrates through the top end of the lower stand column 201 and is fixed to the bottom end of the upper stand column 202. The convex slot 203 on the lower stand column 201 limits and guides the rotating disc 204, so that the rotating disc 204 can rotate in the convex slot 203. The connecting shaft 205 connects the upper stand column 202. As a result, the upper stand column 202 can be kept fixed in the vertical direction of the lower stand column 201, and the upper stand column 202 can rotate in the radial direction. Therefore, the positions of the plurality of side walls of the upper stand column 202 can be switched, so as to switch the positions of the connecting shaft sleeves 300 in the use position. As a result, the switching operation of the connecting shaft sleeves 300 in different positions is more convenient and efficient, and the convenience and efficiency of the operation are improved.
[0031] In embodiment 2, on the basis of embodiment 1, the locking mechanism 400 comprises an outer housing 401 and a positioning bolt 402. The outer housing 401 is fixedly connected to the top of the side wall of the lower stand column 201, and the inner cavity of the outer housing 401 is communicated with the convex slot 203. The positioning bolt 402 is slidably connected to one end of the outer housing 401 close to the lower stand column 201. A plurality of locking grooves 206 matched with the positioning bolt 402 are arranged at intervals on the side wall of the rotating disc 204. The number and position of the locking grooves 206 on the outer wall of the rotating disc 204 correspond to the plurality of side walls of the upper stand column 202. As a result, when the position of one side wall of the upper stand column 202 is switched, the corresponding locking groove 206 on the rotating disc 204 can reach the locking position of the locking mechanism 400. The positioning bolt 402 is moved to extend into the convex slot 203 and is inserted into the locking groove 206, so as to limit the radial position of the rotating disc 204, thereby realizing the locking of the upper stand column 202 in the radial direction.
[0032] Further, the side of the outer housing 401 away from the lower stand column 201 is movably connected with an auxiliary pull handle 404. One end of the auxiliary pull handle 404 extends into the inner cavity of the outer housing 401 and is fixedly connected with the side wall of the positioning bolt 402. A reset spring 403 is movably sleeved on the end of the auxiliary pull handle 404. One end of the reset spring 403 is fixedly connected with the inner wall of the outer housing 401, and the other end of the reset spring 403 is fixedly connected with the side wall of the positioning bolt 402. The auxiliary pull handle 404 can make the operator manually drive the positioning bolt 402 to extend and retract more conveniently. In combination with the reset spring 403, the elastic pushing force can be provided to the positioning bolt 402. After the end of the positioning bolt 402 is inserted into the corresponding position 406, the stability of the position can be ensured, and the positioning bolt 402 can be inserted into the position 406, so that the locking operation of the upper stand column 202 in the radial direction is more convenient.
[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A knife holder structure of a rotary knife die cutter, characterized by comprising: The utility model relates to a cutting tool carrier, including: A bearing bottom plate (100) is fixedly installed with a cutter seat assembly (200) at the top end, and the cutter seat assembly (200) is used for the bearing of a hob; Wherein, the cutter seat assembly (200) includes: A lower stand column (201) is provided with a rotating assembly at the top end; An upper stand column (202) is rotatably connected with the lower stand column (201) through the rotating assembly, and the radial outer wall of the upper stand column (202) is rotatably connected with a connecting shaft sleeve (300), and a plurality of connecting shaft sleeves (300) are arranged from top to bottom at intervals; A locking mechanism (400) is arranged at the top of the lower stand column (201), and the locking mechanism (400) is used for locking the position of the upper stand column (202) on the lower stand column (201).
2. The knife holder construction of a rotary die cutting machine according to claim 1, characterized in that The cutter seat assembly (200) is two and is arranged at the top end of the bearing bottom plate (100) in parallel at intervals, the upper stand column (202) is a multi-faceted column body, and a cylindrical roller is rotatably installed between the two lower stand columns (201).
3. A knife holder structure for a rotary die cutting machine according to claim 2, wherein The rotating assembly includes: A turntable (204) is rotatably connected inside a convex slot (203) at the top of the lower stand column (201); A connecting shaft (205) is fixedly connected to the top end of the turntable (204), and the connecting shaft (205) penetrates the top end of the lower stand column (201) and is fixed to the bottom end of the upper stand column (202).
4. The knife holder construction of a rotary die cutting machine according to claim 3, characterized in that The locking mechanism (400) includes: An outer shell (401) is fixedly connected to the top of the side wall of the lower stand column (201), and the inner cavity of the outer shell (401) is in communication with the convex slot (203); A positioning bolt (402) is slidably connected to one end of the outer shell (401) close to the lower stand column (201), and the side wall of the turntable (204) is spaced apart to form a plurality of locking grooves (206) matched with the positioning bolt (402).
5. A knife holder structure for a rotary die cutting machine according to claim 4, wherein The side of the outer shell (401) away from the lower stand column (201) is movably connected with an auxiliary pull handle (404), and one end of the auxiliary pull handle (404) extends into the inner cavity of the outer shell (401) and is fixedly connected with the side wall of the positioning bolt (402).
6. A knife holder structure for a rotary die cutting machine according to claim 5, wherein A reset spring (403) is movably sleeved at the end of the auxiliary pull handle (404), one end of the reset spring (403) is fixedly connected with the inner wall of the outer shell (401), and the other end of the reset spring (403) is fixedly connected with the side wall of the positioning bolt (402).