Roller assembly and laser engraving machine

Abstract

The utility model provides a roller assembly and a laser engraving machine. The roller assembly comprises a base, a first roller assembly and an abutting piece assembly. The first rolling wheel assembly comprises a first rolling wheel, and the first rolling wheel is rotatably connected to the base and supports the bottom of a part to be carved; the abutting part assembly comprises a lifting seat and an abutting part, the lifting seat is connected to the base in a liftable mode, the abutting part is detachably connected to the lifting seat, the abutting part is arranged on the upper side of the first roller, the position of the abutting part is adjusted along with lifting of the lifting seat, the abutting part abuts against the top of the part to be carved, and a shaping space is formed between the abutting part and the first roller. According to the laser engraving machine, the shaping space is matched with the to-be-engraved part, so that the bottom and the top of the to-be-engraved part are supported, the to-be-engraved part is shaped through the abutting part and the first roller, the situation that the to-be-engraved part cannot be shaped is avoided, the horizontal state of the to-be-engraved part is guaranteed, and then the engraving effect of the laser engraving machine on the to-be-engraved part is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of laser engraving machines, in particular to a roller assembly and a laser engraving machine. Background Art

[0002] With the development of technology, laser engraving machines are based on numerical control technology and use laser as the processing medium. The material instantaneously melts or vaporizes under the laser irradiation of the engraving machine, so that the laser engraving machine can perform laser engraving on the workpiece to be engraved under the action of the laser.

[0003] In the prior art, the existing roller assembly includes a base and a roller assembly. The roller assembly is rotatably connected to the base and supports the bottom of the workpiece to be engraved. However, the top of the workpiece to be engraved is in a free state and is not subjected to a pressing force, resulting in the inability to shape the workpiece to be engraved, which affects the engraving effect of the existing laser engraving machine on the workpiece to be engraved. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a roller assembly and a laser engraving machine. The first roller assembly includes a first roller, and the first roller is rotatably connected to the base and supports the bottom of the workpiece to be engraved; the pressing member assembly includes a lifting seat and a pressing member. The lifting seat is liftably connected to the base, and the pressing member is detachably connected to the lifting seat. The pressing member is arranged above the first roller. The pressing member adjusts its position as the lifting seat rises and falls and presses the top of the workpiece to be engraved. Among them, a shaping space is formed between the pressing member and the first roller, and the shaping space is adapted to the workpiece to be engraved, so that both the bottom and the top of the workpiece to be engraved are supported, thereby shaping the workpiece to be engraved through the pressing member and the first roller, avoiding the inability to shape the workpiece to be engraved, so as to ensure the horizontal state of the workpiece to be engraved, and further ensuring the engraving effect of the laser engraving machine on the workpiece to be engraved.

[0005] To achieve the above object, the utility model provides the following technical solutions:

[0006] A roller assembly is applied to a laser engraving machine. The roller assembly includes:

[0007] A base;

[0008] A first roller assembly, including a first roller, the first roller is rotatably connected to the base and supports the bottom of the workpiece to be engraved;

[0009] The pressing component assembly includes a lifting seat and a pressing component. The lifting seat is connected to the base in a liftable manner. The pressing component is detachably connected to the lifting seat. The pressing component is arranged above the first roller. The pressing component adjusts its position as the lifting seat moves up and down and presses against the top of the workpiece to be engraved. Among them, a shaping space is formed between the pressing component and the first roller, and the shaping space is adapted to the workpiece to be engraved.

[0010] Optionally, the first roller assembly further includes a first rotating shaft; the first roller is connected to the first rotating shaft;

[0011] The first rotating shaft is rotatably connected to the base and drives the first roller to rotate relative to the base along its own axis.

[0012] Optionally, there are multiple first rollers, and multiple first rollers are all installed on the same first rotating shaft and are arranged at intervals along the axial direction of the first rotating shaft.

[0013] Optionally, the first rotating shaft is connected to the base through a first bearing;

[0014] One end of the first rotating shaft is outside the base and is connected with an operation wheel.

[0015] Optionally, the pressing component and the first roller are arranged opposite to each other in the up and down direction;

[0016] Or, the pressing component and the first roller are arranged offset in the up and down direction.

[0017] Optionally, the pressing component is a second roller. The second roller is connected to the lifting seat and floats up and down relative to the lifting seat. Among them, the second roller elastically presses against the workpiece to be engraved.

[0018] Optionally, an elastic member is provided between the second roller and the lifting seat. Two ends of the elastic member are respectively connected to the second roller and the lifting seat and drive the second roller to elastically float.

[0019] Optionally, a lifting module is provided between the lifting seat and the base. The lifting module includes at least one of a gear-rack module, a screw drive module, a chain drive module, a gear drive module, and a threaded screw module.

[0020] Optionally, the shaping space is in the shape of a cuboid or a circular arc.

[0021] A laser engraving machine includes the roller assembly described above.

[0022] Compared with the prior art, the beneficial effects of the present utility model are:

[0023] The present utility model provides a roller assembly and a laser engraving machine. The first roller assembly includes a first roller, which is rotatably connected to a base and supports the bottom of the workpiece to be engraved; the pressing member assembly includes a lifting seat and a pressing member. The lifting seat is vertically movably connected to the base, and the pressing member is detachably connected to the lifting seat. The pressing member is arranged above the first roller. The pressing member adjusts its position as the lifting seat moves up and down and presses the top of the workpiece to be engraved. A shaping space is formed between the pressing member and the first roller, and the shaping space is adapted to the workpiece to be engraved, so that both the bottom and the top of the workpiece to be engraved are supported, thereby shaping the workpiece to be engraved by the pressing member and the first roller, avoiding the situation where the workpiece to be engraved cannot be shaped, facilitating ensuring the horizontal state of the workpiece to be engraved, and further ensuring the engraving effect of the laser engraving machine on the workpiece to be engraved. Description of the Drawings

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0025] In order to more completely understand the present application and its beneficial effects, the following will be described in conjunction with the drawings. Among them, the same reference numerals in the following description represent the same parts.

[0026] Figure 1 Shows a schematic diagram of a roller assembly according to an embodiment of the present application.

[0027] Figure 2 Shows an internal schematic diagram of a roller assembly according to an embodiment of the present application.

[0028] Figure 3 Shows a schematic diagram of the first roller assembly of a roller assembly according to an embodiment of the present application.

[0029] Figure 4 Shows a schematic diagram of the pressing member assembly of a roller assembly according to an embodiment of the present application.

[0030] Figure 5 Shows a schematic diagram of the lifting module of a roller assembly according to an embodiment of the present application.

[0031] Figure 6 Shows an exploded view of the rotating rod and the lifting column of the lifting module of a roller assembly according to an embodiment of the present application.

[0032] Reference Numerals

[0033] 100, roller assembly;

[0034] 10. Base

[0035] 20. First roller assembly; 21. First roller; 22. First rotating shaft; 221. Operating wheel; 23. First bearing

[0036] 30. Pressing member assembly; 31. Lifting seat; 32. Pressing member; 32a. Shaping space; 33. Elastic member

[0037] 40. Lifting module; 41. Power member; 411. Power rod; 42. Rotating rod; 421. Screw portion; 43. Lifting column; 43a. Connecting hole; 43b. Thread portion; 44. First gear; 45. Second gear Specific implementation manner

[0038] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative efforts belong to the scope of protection of the present application.

[0039] Please refer to the attached Figures 1 to 6 , an embodiment of the present application provides a roller assembly 100. The roller assembly 100 is applied to a laser engraving machine. The roller assembly 100 includes a base 10, a first roller assembly 20, and a pressing member assembly 30. The first roller assembly 20 and the pressing member assembly 30 are both disposed inside the base 10.

[0040] In the embodiment of the present application, the base 10 serves as a supporting component of the roller assembly 100, and the base 10 is used to support the first roller assembly 20 and the pressing member assembly 30.

[0041] In the embodiment of the present application, the first roller assembly 20 includes a first roller 21. The first roller 21 is disposed inside the base 10. The first roller 21 is rotatably connected to the base 10 to facilitate adjusting the position of the first roller 21 relative to the base 10. The first roller 21 supports the bottom of the workpiece to be engraved.

[0042] In the embodiment of the present application, the pressing member assembly 30 is arranged on the upper side of the first roller 21. The pressing member assembly 30 includes a lifting seat 31 and a pressing member 32. The lifting seat 31 is connected to the base 10 in a liftable manner to facilitate adjusting the position of the lifting seat 31 relative to the base 10. The pressing member 32 is detachably connected to the lifting seat 31 to facilitate the pressing member 32 being able to connect to or disengage from the lifting seat 31. The pressing member 32 is arranged on the upper side of the first roller 21. The pressing member 32 adjusts its position as the lifting seat 31 rises and falls to facilitate adjusting the position of the pressing member 32 relative to the lifting seat 31, thereby facilitating adjusting the height position of the pressing member 32 relative to the first roller 21. The pressing member 32 presses the top of the workpiece to be engraved.

[0043] Wherein, a shaping space 32a is formed between the pressing member 32 and the first roller 21. The shaping space 32a is adapted to the workpiece to be engraved so that both the bottom and the top of the workpiece to be engraved are supported, thereby shaping the workpiece to be engraved by the pressing member 32 and the first roller 21, avoiding the situation where the workpiece to be engraved cannot be shaped, facilitating ensuring the horizontal state of the workpiece to be engraved, and further ensuring the engraving effect of the laser engraving machine on the workpiece to be engraved. Optionally, the shaping space 32a is in the shape of a cuboid or a circular arc.

[0044] The first roller assembly 20 further includes a first rotating shaft 22; the first rotating shaft 22 is arranged in the transverse direction, and the first roller 21 is connected to the first rotating shaft 22; the first rotating shaft 22 is rotatably connected to the base 10 to facilitate adjusting the position of the first rotating shaft 22 relative to the base 10. The first rotating shaft 22 drives the first roller 21 to rotate relative to the base 10 along its own axis, so that the first roller 21 can rotate relative to the base 10 through the first rotating shaft 22, thereby facilitating adjusting the position of the first roller 21 relative to the base 10.

[0045] There are multiple first rollers 21. The multiple first rollers 21 are all installed on the same first rotating shaft 22 and are arranged at intervals along the axial direction of the first rotating shaft 22. By arranging multiple first rollers 21, the rotation range of the first rollers 21 relative to the base 10 is increased, thereby facilitating improving the supporting effect of the first rollers 21 on the bottom of the workpiece to be engraved.

[0046] A first bearing 23 is between the first rotating shaft 22 and the base 10. The first rotating shaft 22 is connected to the base 10 through the first bearing 23 to facilitate improving the rotational smoothness of the first rotating shaft 22 relative to the base 10; one end of the first rotating shaft 22 is outside the base 10 and is connected with an operating wheel 221 to facilitate the operating wheel 221 being outside the base 10, so that the operating wheel 221 can be rotated by the user in the external environment to achieve manual rotation of the first roller 21.

[0047] The pressing member 32 and the first roller 21 are arranged opposite to each other in the vertical direction, or the pressing member 32 and the first roller 21 are arranged offset in the vertical direction, so that the pressing member 32 and the first roller 21 are respectively arranged relative to the bottom and top of the workpiece to be engraved, so that both the bottom and top of the workpiece to be engraved are supported, so as to shape the workpiece to be engraved by the pressing member 32 and the first roller 21, avoiding the situation where the workpiece to be engraved cannot be shaped, facilitating the guarantee of the horizontal state of the workpiece to be engraved, and further ensuring the engraving effect of the laser engraving machine on the workpiece to be engraved.

[0048] The pressing member 32 is a second roller, and the second roller is connected to the lifting seat 31 and floats relative to the lifting seat 31 in the vertical direction. Among them, the second roller elastically presses the workpiece to be engraved, so as to facilitate the adjustment of the position of the second roller relative to the workpiece to be engraved, so as to facilitate the second roller to adapt to workpieces to be engraved with different heights.

[0049] An elastic member 33 is provided between the second roller and the lifting seat 31. The two ends of the elastic member 33 are respectively connected to the second roller and the lifting seat 31, and drive the second roller to elastically float, so that the second roller can float relative to the lifting seat 31 in the vertical direction through the elastic member 33, so as to facilitate the adjustment of the position of the second roller relative to the workpiece to be engraved, and further facilitate the second roller to adapt to workpieces to be engraved with different heights.

[0050] A lifting module 40 is provided between the lifting seat 31 and the base 10, and the lifting module 40 includes at least one of a gear-rack module, a screw drive module, a chain drive module, a gear drive module, and a threaded screw module.

[0051] When the lifting module 40 includes a gear-rack module, the lifting module 40 includes a power member 41, a rotating rod 42, and a lifting column 43; the rotating rod 42 is arranged in the vertical direction, the rotating rod 42 is rotatably connected to the lifting column 43, and rotates under the power of the power member 41; the rotating rod 42 rotates along its own axis to facilitate the adjustment of the position of the rotating rod 42 relative to the lifting column 43; the lifting column 43 is connected to the lifting seat 31; the lifting column 43 rises and falls with the rotation of the rotating rod 42, and drives the lifting seat 31 to rise and fall, so that the lifting seat 31 can rise and fall relative to the base 10 through the rotating rod 42 and the lifting column 43.

[0052] The lifting column 43 is provided with a connection hole 43a, the rotating rod 42 passes through the connection hole 43a and performs positioning rotation; the lifting column 43 rises and falls with the rotation of the rotating rod 42, so that the rotating rod 42 can be connected to the lifting column 43 through the connection hole 43a, thus facilitating the guarantee of the connection accuracy between the rotating rod 42 and the lifting column 43.

[0053] When a threaded portion 43b is provided on the inner sidewall of the connection hole 43a, a screw rod portion 421 is provided on the outer sidewall of the rotating rod 42. The screw rod portion 421 meshes with the threaded portion 43b, so as to facilitate the threaded connection between the rotating rod 42 and the connection hole 43a, thereby facilitating the connection of the rotating rod 42 to the lifting column 43 via the screw rod portion 421 and the threaded portion 43b, and thus facilitating the lifting of the lifting column 43 as the rotating rod 42 rotates.

[0054] Alternatively, when a sliding table portion is provided on the inner sidewall of the connection hole 43a, a lead screw portion is provided on the outer sidewall of the rotating rod 42. A lead screw drive structure is formed between the lead screw portion and the sliding table portion, so as to facilitate the lead screw connection between the rotating rod 42 and the connection hole 43a, thereby facilitating the connection of the rotating rod 42 to the lifting column 43 via the lead screw portion and the sliding table portion, and thus facilitating the lifting of the lifting column 43 as the rotating rod 42 rotates.

[0055] The lifting module 40 further includes a first gear 44 and a second gear 45; the first gear 44 is connected to the power member 41 and rotates under the drive of the power member 41. The first gear 44 meshes with the second gear 45 and drives the second gear 45 to rotate; the second gear 45 is sleeved on the rotating rod 42, and the rotating rod 42 rotates as the second gear 45 rotates, so as to facilitate the power member 41 to drive the rotating rod 42 to rotate via the first gear 44 and the second gear 45, thereby facilitating the adjustment of the position of the rotating rod 42 relative to the base 10; optionally, the transmission structure between the first gear 44 and the second gear 45 is respectively a bevel gear transmission structure or a helical gear transmission structure.

[0056] The power member 41 includes a power rod 411, and the power rod 411 is used to connect a manual rod or a motor; the power rod 411 is rotatably connected to the base 10 and rotates along its own axial direction, so as to facilitate the adjustment of the position of the power rod 411 relative to the base 10; the power rod 411 passes through the first gear 44 and drives the first gear 44 to rotate, so as to facilitate the manual rod or the motor to drive the first gear 44 to rotate via the power rod 411, and thus facilitate the rotation of the first gear 44 via the power rod 411.

[0057] When the power rod 411 is connected to the manual rod, it is convenient for the manual rod to drive the power rod 411 to rotate under the action of an external force, so as to facilitate the manual operation of the power rod 411. When the power rod 411 is connected to the motor, it is convenient for the power rod 411 to drive the power rod 411 to rotate under the action of the motor, so as to facilitate the automation of the power rod 411.

[0058] In another embodiment, a laser engraving machine includes a roller assembly 100. The roller assembly 100 is a part of the laser engraving machine, and the laser engraving machine performs laser engraving on materials under the action of a laser.

[0059] Compared with the prior art, the beneficial effects of the present utility model are:

[0060] The present utility model provides a roller assembly 100 and a laser engraving machine. The first roller assembly 20 includes a first roller 21, and the first roller 21 is rotatably connected to the base 10 and supports the bottom of the workpiece to be engraved. The pressing member assembly 30 includes a lifting seat 31 and a pressing member 32. The lifting seat 31 is vertically movably connected to the base 10, and the pressing member 32 is detachably connected to the lifting seat 31. The pressing member 32 is disposed above the first roller 21. The pressing member 32 adjusts its position as the lifting seat 31 moves up and down and presses the top of the workpiece to be engraved. Wherein, a shaping space 32a is formed between the pressing member 32 and the first roller 21, and the shaping space 32a is adapted to the workpiece to be engraved, so that both the bottom and the top of the workpiece to be engraved are supported, thereby shaping the workpiece to be engraved by the pressing member 32 and the first roller 21, avoiding the situation that the workpiece to be engraved cannot be shaped, facilitating ensuring the horizontal state of the workpiece to be engraved, and further ensuring the engraving effect of the laser engraving machine on the workpiece to be engraved.

[0061] In the above embodiments, the descriptions of the various embodiments have their own emphases. For the parts not detailed in a certain embodiment, reference may be made to the relevant descriptions of other embodiments.

[0062] In the description of the present application, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more such features.

[0063] Specific examples are used herein to elaborate on the principles and implementation manners of the present application. The descriptions of the above embodiments are only used to help understand the method and its core idea of the present application; at the same time, for those skilled in the art, based on the idea of the present application, there will be changes in the specific implementation manners and application scopes. In summary, the content of this specification should not be construed as a limitation to the present application.

Claims

1. A roller assembly, characterized in that: Applied to a laser engraving machine, the roller assembly comprises: Base; A first roller assembly, comprising a first roller, wherein the first roller is rotatably connected to the base and supports the bottom of the piece to be engraved; The pressing member assembly includes a lifting seat and a pressing member, wherein the lifting seat is liftably connected to the base, and the pressing member is detachably connected to the lifting seat. The pressing member is arranged on the upper side of the first roller, and the pressing member is adjusted in position as the lifting seat is lifted and lowered, and presses the top of the piece to be engraved, wherein a shaping space is formed between the pressing member and the first roller, and the shaping space is adapted to the piece to be engraved.

2. The roller assembly according to claim 1, characterized in that: The first roller assembly further includes a first rotating shaft; the first roller is connected to the first rotating shaft; The first rotating shaft is rotatably connected to the base, and drives the first roller to rotate along its own axis relative to the base.

3. The roller assembly according to claim 2, characterized in that: There are a plurality of the first rollers, and the plurality of the first rollers are all mounted on the same first rotating shaft and are spaced apart along the axial direction of the first rotating shaft.

4. The roller assembly according to claim 2, characterized in that: The first rotating shaft is connected to the base through a first bearing; One end of the first rotating shaft is located outside the base and is connected to an operating wheel.

5. The roller assembly according to any one of claims 1 to 4, characterized in that: The pressing member and the first roller are arranged opposite to each other in the up-down direction; Alternatively, the pressing member and the first roller are arranged in a staggered manner along the up-down direction.

6. The roller assembly according to claim 5, characterized in that: The pressing member is a second roller, which is connected to the lifting seat and floats in an up-and-down direction relative to the lifting seat, wherein the second roller elastically presses the piece to be engraved.

7. The roller assembly according to claim 6, characterized in that: An elastic member is provided between the second roller and the lifting seat, and two ends of the elastic member are respectively connected to the second roller and the lifting seat, and drive the second roller to float elastically.

8. The roller assembly according to claim 5, characterized in that: A lifting module is arranged between the lifting seat and the base, and the lifting module comprises at least one of a gear rack module, a screw transmission module, a chain transmission module, a gear transmission module and a threaded screw module.

9. The roller assembly according to claim 5, characterized in that: The shaping space is in the form of a cuboid or an arc.

10. A laser engraving machine, characterized in that: Comprising the roller assembly as claimed in any one of claims 1 to 9.

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