Adjustable character carving machine pressing wheel mechanism

Abstract

The utility model relates to the technical field of character cutting machines, and discloses an adjustable character cutting machine pressing wheel mechanism which comprises a plurality of pressing wheel assemblies, the pressing wheel assemblies are linearly arranged and installed on a character cutting machine rack, each pressing wheel assembly comprises a shell and a wheel plate rotationally installed in the shell, and the pressure end of each wheel plate is located outside the shell; a tension spring is arranged at the control end of the wheel plate piece, a pressure adjusting mechanism is arranged at the upper end of the tension spring, and the pressure adjusting mechanism adjusts the pressure of the pressing wheel body by adjusting the pressure of the tension spring. The device further comprises an independent control mechanism and a linkage control mechanism, and the independent control mechanism is arranged at the tail ends of the control ends of the wheel plates and can independently lift or press one set of wheel plates. According to the utility model, the independent control mechanism is arranged, so that any group of wheel plates can be lifted up or pressed down independently; and by arranging the linkage control mechanism, all the wheel plates can be lifted up or pressed down at the same time, flexible adjustment can be achieved according to the actual use condition, and the utilization rate of the pressing wheel assembly is increased.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of lettering machines, in particular to an adjustable lettering machine pressure wheel mechanism. BACKGROUND

[0002] A lettering machine is a device specially used for lettering or engraving, and usually adopts mechanical cutting and laser cutting technology to carve characters, patterns and various graphics. The lettering machine pressure wheel is an important component of the lettering machine. The lettering machine pressure wheel clamps a plate to ensure that the plate does not move or run off during engraving, thereby ensuring the accuracy and effect of engraving. The design of the lettering machine pressure wheel ensures that the plate remains stable during engraving, avoiding engraving failure or damage caused by plate movement. The existing lettering machine pressure wheel is usually provided with multiple groups, and the pressure wheels can only be synchronously moved up and down, and cannot be individually adjusted according to actual use conditions, so the flexibility is low. Therefore, an adjustable lettering machine pressure wheel is provided. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the problem that the existing lettering machine pressure wheel can only be synchronously moved up and down and cannot be individually adjusted according to actual use conditions, the application provides an adjustable lettering machine pressure wheel mechanism.

[0004] The adjustable lettering machine pressure wheel mechanism provided by the application adopts the following technical scheme:

[0005] An adjustable lettering machine pressure wheel mechanism comprises multiple groups of pressure wheel assemblies, the pressure wheel assemblies are linearly arranged and installed on a lettering machine rack, each of the pressure wheel assemblies comprises a shell and a wheel plate piece rotatably installed in the shell, a pressure end of the wheel plate piece is located outside the shell, a control end of the wheel plate piece is provided with a tension spring, an upper end of the tension spring is provided with a pressure adjusting mechanism, and the pressure adjusting mechanism adjusts the pressure of the pressure wheel body by adjusting the pressure of the tension spring.

[0006] Further comprising an independent control mechanism and a linkage control mechanism, the independent control mechanism is arranged at the control end of the wheel plate piece and can individually lift or press one group of wheel plate pieces, and the linkage control mechanism is arranged at the first end of the control end of the wheel plate piece and can simultaneously lift or press all the wheel plate pieces.

[0007] Preferably, each of the wheel plate pieces comprises a pressure wheel plate, the pressure wheel plate is rotatably connected with the shell through a wheel plate shaft, one end of the pressure wheel plate is located outside the shell and rotatably connected with a pressure wheel body through a pressure wheel shaft, and the other end of the pressure wheel plate is fixedly connected with the lower end of the tension spring.

[0008] Preferably, the independent control mechanism each comprises a pressure roller trigger, a trigger shaft and a trigger torsion spring, the pressure roller trigger is arranged in an inverted "Y" shape, the upper part of the pressure roller trigger is rotationally connected with the shell through the trigger shaft, the surface of the trigger shaft is sleeved with the trigger torsion spring, one end of the trigger torsion spring abuts against the shell, and the other end of the trigger torsion spring abuts against the pressure roller trigger, the lower part of the pressure roller trigger is slidably connected with the pressure roller plate, and the other end of the lower part of the pressure roller trigger is an interaction end.

[0009] Preferably, the linkage control mechanism comprises a rotating shaft arranged in the shell, and a rectangular rod is jointly inserted into the rotating shaft, and triangular push blocks are fixedly connected to the surface of the rotating shaft, when the triangular push blocks are vertically downward, the pressure roller body is in a lifted state, and when the triangular push blocks are inclined, the pressure roller body is in a pressed state.

[0010] Preferably, the pressure adjusting mechanism each comprises a pressure roller pressure adjusting lever, one end of the pressure roller pressure adjusting lever is rotationally connected with the shell through a pressure adjusting lever shaft, the middle part of the pressure roller pressure adjusting lever is rotationally connected with a pressure roller pressure adjusting handle through a pressure roller pressure adjusting pin shaft, and the other end of the pressure roller pressure adjusting lever is fixedly connected with the upper end of the tension spring.

[0011] Preferably, the surface of the pressure roller pressure adjusting handle is provided with a pressure adjusting A surface and a pressure adjusting B surface, and the distance between the axis point of the pressure roller pressure adjusting pin shaft and the vertical line of the pressure adjusting A surface is greater than the distance between the axis point of the pressure roller pressure adjusting pin shaft and the vertical line of the pressure adjusting B surface.

[0012] Preferably, circular holes adapted to the rotating shaft are formed in the two sides of the shell, and the two ends of the rotating shaft are rotationally installed in the circular holes.

[0013] Preferably, clamping grooves are formed in the surface of the shell, and clamping blocks adapted to the clamping grooves are arranged on the surface of the character carving machine frame, and the clamping grooves and the clamping blocks are inserted and assembled.

[0014] In summary, the application has the following beneficial technical effects:

[0015] The independent control mechanism can be used to individually lift or press any group of wheel plate pieces, the linkage control mechanism can be used to simultaneously lift or press all the wheel plate pieces, the actual use condition can be flexibly adjusted, and the utilization rate of the pressure roller assembly is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic diagram of the whole application embodiment;

[0017] Figure 2 is a structural schematic diagram of the pressure roller assembly of the application embodiment;

[0018] Figure 3 is a structural schematic diagram of the pressure roller single-lifting and single-pressing of the application embodiment;

[0019] Figure 4 is a structural schematic diagram of the application embodiment of the single lifting of the pressure wheel high pressure structure;

[0020] Figure 5 is a structural schematic diagram of the application embodiment of the synchronous lifting of the pressure wheel low pressure structure;

[0021] Figure 6 is a structural schematic diagram of the application embodiment of the synchronous lifting of the pressure wheel high pressure structure;

[0022] Figure 7 is a structural schematic diagram of the application embodiment of the synchronous lifting of the pressure wheel low pressure structure;

[0023] Figure 8 is a structural schematic diagram of the application embodiment of the synchronous lifting of the pressure wheel high pressure structure.

[0024] The figure mark explanation: 1, card slot; 2, pressure wheel assembly; 21, shell; 22, pressure wheel shaft; 23, pressure wheel plate; 24, wheel plate shaft; 25, tension spring; 26, pressure wheel body; 3, pressure adjusting mechanism; 31, pressure wheel pressure adjusting handle; 32, pressure wheel pressure adjusting pin shaft; 33, pressure wheel pressure adjusting lever; 34, pressure adjusting lever shaft; 4, independent control mechanism; 41, pressure wheel trigger; 42, trigger shaft; 43, trigger torsional spring; 5, linkage control mechanism; 51, rotating shaft; 52, rectangular bar; 53, triangular push block; 6, round hole. DETAILED DESCRIPTION

[0025] The following will be combined with the Figures 1-8 The application is further described in detail.

[0026] The application embodiment discloses a pressure wheel mechanism of an adjustable lettering machine, which comprises multiple groups of pressure wheel assemblies 2, the pressure wheel assemblies 2 are linearly arranged and installed on a rack of the lettering machine, each of the pressure wheel assemblies 2 comprises a shell 21 and a wheel plate piece rotatably installed in the shell 21, a pressure end of the wheel plate piece is located outside the shell 21, a control end of the wheel plate piece is provided with a tension spring 25, an upper end of the tension spring 25 is provided with a pressure adjusting mechanism 3, and the pressure adjusting mechanism 3 adjusts the pressure of a pressure wheel body 26 by adjusting the pressure of the tension spring 25.

[0027] The application further comprises an independent control mechanism 4 and a linkage control mechanism 5, the independent control mechanism 4 is arranged at an end of the control end of the wheel plate piece and can individually lift or press down one of the wheel plate pieces, and the linkage control mechanism 5 is arranged at a first end of the control end of the wheel plate piece and can simultaneously lift or press down all the wheel plate pieces.

[0028] In the embodiment, the independent control mechanism 4 is arranged to individually lift or press down any one of the wheel plate pieces, and the linkage control mechanism 5 is arranged to simultaneously lift or press down all the wheel plate pieces, so that the utilization rate of the pressure wheel assemblies 2 can be flexibly adjusted according to actual use conditions.

[0029] Further, each wheel plate member comprises a pressing wheel plate 23, the pressing wheel plate 23 is rotationally connected with the shell 21 through a wheel plate shaft 24, and one end of the pressing wheel plate 23 is located outside the shell 21 and rotationally connected with a pressing wheel body 26 through a pressing wheel shaft 22, and the other end of the pressing wheel plate 23 is fixedly connected with a lower end of a tension spring 25.

[0030] Further, each independent control mechanism 4 comprises a pressing wheel trigger 41, a trigger shaft 42 and a trigger torsional spring 43, the pressing wheel trigger 41 is provided in an inverted "Y" shape, the upper part of the pressing wheel trigger 41 is rotationally connected with the shell 21 through the trigger shaft 42, the surface of the trigger shaft 42 is sleeved with the trigger torsional spring 43, one end of the trigger torsional spring 43 abuts against the shell 21, the other end of the trigger torsional spring 43 abuts against the pressing wheel trigger 41, one end of the lower part of the pressing wheel trigger 41 is in sliding fit with the pressing wheel plate 23, and the other end of the lower part of the pressing wheel trigger 41 is an interaction end.

[0031] In the embodiment, the end of the pressing wheel plate 23 is provided in a trapezoidal shape, so as to ensure that the end of the pressing wheel plate 23 moves in cooperation with the pressing wheel trigger 41.

[0032] In the embodiment, when it is needed to individually lift or press some group of the pressing wheel bodies 26, only the independent control mechanism 4 corresponding to the wheel plate member needs to be adjusted, specifically, when it is needed to individually lift some group of the pressing wheel bodies 26, only the pressing wheel trigger 41 needs to be actuated, so that one end of the lower part of the pressing wheel trigger 41 is moved to the upper surface of the end of the pressing wheel plate 23, so as to make the end of the pressing wheel plate 23 rotate downward around the wheel plate shaft 24, that is, the pressing wheel bodies 26 can be lifted, and at this time, the tension spring 25 is stretched;

[0033] When it is needed to press some group of the pressing wheel bodies 26, only the pressing wheel trigger 41 needs to be actuated, so that one end of the lower part of the pressing wheel trigger 41 is moved away from the upper surface of the pressing wheel plate 23, the stretched tension spring 25 is restored, and the end of the pressing wheel plate 23 rotates upward around the wheel plate shaft 24, that is, the pressing wheel bodies 26 can be pressed.

[0034] Further, the linkage control mechanism 5 comprises a rotating shaft 51 arranged inside the shell 21, a rectangular rod 52 is jointly inserted into the rotating shaft 51, and a triangular push block 53 is fixedly connected to the surface of the rotating shaft 51, when the triangular push block 53 is vertically downward, the pressing wheel bodies 26 are in a lifted state, and when the triangular push block 53 is inclined, the pressing wheel bodies 26 are in a pressed state.

[0035] In the embodiment, when it is needed to simultaneously lift or press the pressing wheel bodies 26, the linkage control mechanism 5 can be used for adjustment, specifically, when it is needed to simultaneously lift the pressing wheel bodies 26, the rectangular rod 52 is rotated, so as to drive all the rotating shafts 51 and the triangular push blocks 53 to rotate, so that the triangular push blocks 53 are rotated to be vertically downward, the triangular push blocks 53 make the ends of all the pressing wheel plates 23 rotate downward around the wheel plate shaft 24, that is, the pressing wheel bodies 26 can be lifted, and at this time, the tension spring 25 is stretched;

[0036] When the pressure roller body 26 needs to be pressed down at the same time, the rectangular rod 52 is rotated to drive all the rotating shafts 51 and the triangular push block 53 to rotate, so that the triangular push block 53 is rotated to an inclined state, at this time, the stretched tension spring 25 is reset to drive the end of the pressure roller plate 23 to rotate upward around the plate shaft 24, that is, the pressure roller body 26 can be pressed down.

[0037] Further, the pressure adjusting mechanism 3 comprises a pressure roller pressure adjusting lever 33, one end of the pressure roller pressure adjusting lever 33 is rotationally connected with the shell 21 through a pressure adjusting lever shaft 34, the middle part of the pressure roller pressure adjusting lever 33 is rotationally connected with a pressure roller pressure adjusting handle 31 through a pressure roller pressure adjusting pin shaft 32, and the other end of the pressure roller pressure adjusting lever 33 is fixedly connected with the upper end of the tension spring 25.

[0038] Further, the surface of the pressure roller pressure adjusting handle 31 is provided with a pressure adjusting A surface and a pressure adjusting B surface, and the distance from the shaft point of the pressure roller pressure adjusting pin shaft 32 to the vertical line of the pressure adjusting A surface is greater than the distance from the shaft point of the pressure roller pressure adjusting pin shaft 32 to the vertical line of the pressure adjusting B surface.

[0039] Further, the both sides of the shell 21 are provided with circular holes 6 matched with the rotating shafts 51, and the both ends of the rotating shafts 51 are rotationally installed inside the circular holes 6.

[0040] In this embodiment, by arranging the pressure adjusting mechanism 3, the pressure when the pressure roller body 26 is lifted or pressed down can be adjusted.

[0041] When the pressure roller body 26 is lifted alone, the pressure roller pressure adjusting handle 31 is rotated to make the pressure adjusting A surface of the pressure roller pressure adjusting handle 31 contact with the shell 21, at this time, the pressure roller pressure adjusting lever 33 is rotated upward around the pressure adjusting lever shaft 34, so as to lengthen the tension spring 25 and increase the tension of the tension spring 25, which is the single lifting high pressure state of the pressure roller body 26; in this state, the pressure roller pressure adjusting handle 31 is rotated to make the pressure adjusting B surface of the pressure roller pressure adjusting handle 31 contact with the shell 21, at this time, the pressure roller pressure adjusting lever 33 is rotated downward around the pressure adjusting lever shaft 34, so as to shorten the tension spring 25 and reduce the tension of the tension spring 25, which is the single lifting low pressure state of the pressure roller body 26.

[0042] When the pressure roller body 26 is lifted simultaneously, the pressure roller pressure adjusting handle 31 is rotated to make the pressure adjusting A surface of the pressure roller pressure adjusting handle 31 contact with the shell 21, at this time, the pressure roller pressure adjusting lever 33 is rotated upward around the pressure adjusting lever shaft 34, so as to lengthen the tension spring 25 and increase the tension of the tension spring 25, which is the simultaneous lifting high pressure state of the pressure roller body 26; in this state, the pressure roller pressure adjusting handle 31 is rotated to make the pressure adjusting B surface of the pressure roller pressure adjusting handle 31 contact with the shell 21, at this time, the pressure roller pressure adjusting lever 33 is rotated downward around the pressure adjusting lever shaft 34, so as to shorten the tension spring 25 and reduce the tension of the tension spring 25, which is the simultaneous lifting low pressure state of the pressure roller body 26.

[0043] When the pressure roller body 26 is pressed down synchronously, the pressure roller adjusting handle 31 is rotated, the pressure adjusting surface A of the pressure roller adjusting handle 31 is in contact with the shell 21, at this time, the pressure roller adjusting lever 33 rotates upward around the adjusting lever shaft 34, thereby the tension spring 25 is lengthened, and the tension of the tension spring 25 is increased, which is the high pressure state of the pressure roller body 26 pressed down synchronously; in this state, the pressure roller adjusting handle 31 is rotated, the pressure adjusting surface B of the pressure roller adjusting handle 31 is in contact with the shell 21, at this time, the pressure roller adjusting lever 33 rotates downward around the adjusting lever shaft 34, thereby the tension spring 25 is shortened, and the tension of the tension spring 25 is reduced, which is the low pressure state of the pressure roller body 26 pressed down synchronously.

[0044] Further, the shell 21 is provided with a clamping groove 1, and the surface of the engraver rack is provided with a clamping block matched with the clamping groove 1.

[0045] Finally, it should be pointed out that: first, in the description of the present application, it should be pointed out that unless otherwise specified and limited, the terms "installation", "connection", "connection" should be understood broadly, which can be mechanical connection or electrical connection, or the communication between two elements, or direct connection, "up", "down", "left", "right" and the like are only used to indicate the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may change;

[0046] Secondly: the utility model discloses the embodiment of the drawings, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0047] Finally: the above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc.

[0048] The above are the preferred embodiments of the present application, and are not limited to the protection scope of the present application, therefore: any equivalent change made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. An adjustable platen mechanism for a lettering machine comprising a plurality of platen assemblies (2) mounted in linear array on a lettering machine frame, characterised in that, The pressure wheel assembly (2) comprises a shell (21) and a wheel plate member rotatably installed in the shell (21), a pressure end of the wheel plate member is located outside the shell (21), a control end of the wheel plate member is provided with a tension spring (25), an upper end of the tension spring (25) is provided with a pressure adjusting mechanism (3), the pressure adjusting mechanism (3) adjusts the pressure of the pressure wheel body (26) by adjusting the pressure of the tension spring (25); Further comprising independent control mechanisms (4) and linkage control mechanisms (5), the independent control mechanisms (4) are arranged at the control end of the wheel plate member and can individually lift or press one set of wheel plate members; the linkage control mechanisms (5) are arranged at the first end of the control end of the wheel plate member and can simultaneously lift or press all the wheel plate members.

2. An adjustable platen mechanism for a lettering machine as defined in claim 1, wherein The wheel plate member comprises a pressure wheel plate (23), the pressure wheel plate (23) is rotatably connected with the shell (21) through a wheel plate shaft (24), one end of the pressure wheel plate (23) is located outside the shell (21) and is rotatably connected with a pressure wheel body (26) through a pressure wheel shaft (22), and the other end of the pressure wheel plate (23) is fixedly connected with the lower end of the tension spring (25).

3. An adjustable platen mechanism for a lettering machine as defined in claim 2 wherein, The independent control mechanism (4) comprises a pressure wheel trigger (41), a trigger shaft (42) and a trigger torsional spring (43), the pressure wheel trigger (41) is arranged in an inverted "Y" type structure, the upper part of the pressure wheel trigger (41) is rotatably connected with the shell (21) through the trigger shaft (42), the trigger shaft (42) is sleeved with the trigger torsional spring (43), one end of the trigger torsional spring (43) abuts against the shell (21), the other end of the trigger torsional spring (43) abuts against the pressure wheel trigger (41), the lower part of the pressure wheel trigger (41) is slidably connected with the pressure wheel plate (23), and the other end of the lower part of the pressure wheel trigger (41) is an interaction end.

4. An adjustable platen mechanism for a lettering machine as defined in claim 2 wherein, The linkage control mechanism (5) comprises a rotating shaft (51) arranged in the shell (21), a rectangular rod (52) is jointly inserted into the rotating shaft (51), triangular push blocks (53) are fixedly connected to the surface of the rotating shaft (51), when the triangular push blocks (53) are vertically downward, the pressure wheel body (26) is in a lifted state, and when the triangular push blocks (53) are inclined, the pressure wheel body (26) is in a pressed state.

5. An adjustable platen mechanism for a lettering machine as defined in claim 1 wherein, The pressure adjusting mechanism (3) comprises a pressure wheel pressure adjusting lever (33), one end of the pressure wheel pressure adjusting lever (33) is rotatably connected with the shell (21) through a pressure adjusting lever shaft (34), the middle part of the pressure wheel pressure adjusting lever (33) is rotatably connected with a pressure wheel pressure adjusting handle (31) through a pressure wheel pressure adjusting pin shaft (32), and the other end of the pressure wheel pressure adjusting lever (33) is fixedly connected with the upper end of the tension spring (25).

6. An adjustable platen mechanism for a lettering machine as defined in claim 5 wherein, The surface of the pressure wheel pressure adjusting handle (31) is provided with an adjusting A surface and an adjusting B surface, the distance between the shaft point of the pressure wheel pressure adjusting pin shaft (32) and the vertical line of the adjusting A surface is greater than the distance between the shaft point of the pressure wheel pressure adjusting pin shaft (32) and the vertical line of the adjusting B surface.

7. An adjustable platen mechanism for a lettering machine as defined in claim 5 wherein, The two sides of the shell (21) are provided with circular holes (6) matched with the rotating shaft (51), and the two ends of the rotating shaft (51) are rotatably installed in the circular holes (6).

8. An adjustable platen mechanism for a lettering machine as defined in claim 1, wherein, The shell (21) surface is provided with a clamping groove (1), and the lettering machine rack surface is provided with a clamping block matched with the clamping groove (1), and the clamping groove (1) and the clamping block are inserted and assembled.

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