Buffer type printer trolley lifting adjusting mechanism and industrial printer

Abstract

The utility model provides a buffer type printer dolly elevating adjusting mechanism and a printer, the mechanism is installed between a dolly backboard and a fixed plate, the mechanism comprises a driving motor, a pair of fixed seats, a spring and a lead screw pair comprising a lead screw nut, the lead screw nut is connected with the dolly backboard; the pair of fixing seats is installed on the fixing plate and is in running fit with the upper end and the lower end of the lead screw pair. The driving motor is connected to one end of the lead screw pair and used for driving the lead screw nut to ascend and descend so that the trolley back plate can move relative to the fixing plate. The spring is arranged between the lead screw nut and one of the fixing bases and used for elastically supporting the lead screw nut. The buffering type printer trolley lifting adjusting mechanism and the printer can solve the problems that due to the fact that a lifting motor breaks down or is powered off, a spray head set rapidly falls off and collides with each other.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial printer field, specifically speaking, relates to a buffer formula printer dolly lifting adjustment mechanism and industrial printer. BACKGROUND

[0002] The printer dolly in the printer is mainly responsible for reciprocating linear motion along the printing platform, a nozzle group is installed at the bottom of the printer dolly, the nozzle group is close to the printing medium through the printing platform, high-quality printing of the printing medium is realized. Before and after printing, the height of the nozzle group needs to be adjusted to facilitate the control of the distance between the nozzle group and the printing medium and the moisturizing of the nozzle group on the ink stack. In the prior art, a lead screw transmission assembly is usually arranged on the printer dolly, and the lead screw transmission assembly is used to drive the printer dolly to move up and down.

[0003] A low-noise-volume printer dolly lifting adjustment mechanism is disclosed in the utility model patent with the authorization announcement No. CN219727657U, which comprises a lifting motor, a first fixed seat, a second fixed seat, a thrust bearing assembly, a lead screw and a lead screw nut seat. The first fixed seat and the second fixed seat are coaxially arranged along the longitudinal direction, and both the first fixed seat and the second fixed seat are back plate fixed seats. The lifting motor is fixed on the first fixed seat, and the output shaft of the lifting motor is arranged downward. The output shaft of the lifting motor drives the top end of the lead screw through the thrust bearing assembly, and the bottom end of the lead screw is installed on the second fixed seat through a bearing. The lead screw nut seat is threadedly connected with the lead screw, the material of the lead screw nut seat is wear-resistant engineering plastic, and the lead screw nut seat is an activity plate fixed seat. The low-noise-volume printer dolly lifting adjustment mechanism has the advantages of smoother adjustment action and lower noise. However, the structure disclosed in the low-noise-volume printer dolly lifting adjustment mechanism does not have the function of buffering during lifting, and cannot solve the problem of rapid falling and collision of the nozzle group caused by the fault or power failure of the lifting motor. UTILITY MODEL CONTENT

[0004] 1. In order to solve the problem of rapid falling and collision of the nozzle group caused by the fault or power failure of the lifting motor, the utility model adopts the technical scheme of a buffer type printer dolly lifting adjustment mechanism and a printer, which is installed between the dolly back plate and the fixed plate and comprises a driving motor, a pair of fixed seats, a spring and a lead screw pair comprising a lead screw nut, wherein the lead screw nut is connected with the dolly back plate.

[0005] A pair of the fixed seats are installed on the fixed plate and rotationally connected with the upper and lower ends of the lead screw pair.

[0006] The driving motor is connected with one end of the lead screw pair and is used to drive the lead screw nut to move up and down, so that the dolly back plate is displaced relative to the fixed plate.

[0007] The spring is arranged between the fixed seat and the screw nut, and is used for elastically supporting the screw nut.

[0008] Based on the above, the screw pair comprises a sliding rail, a sliding block, a screw rod and the screw nut.

[0009] The sliding rail and the screw nut are fixed on the trolley back plate respectively, the sliding block is fixed on the fixed plate and is in sliding cooperation with the sliding rail.

[0010] The screw rod is connected to the fixed plate through a pair of fixed seats, and the screw rod is in threaded cooperation with the screw nut.

[0011] Based on the above, in order to improve the movement accuracy and stability of the screw pair, a flange bearing is arranged in the fixed seat at the upper end, a needle bearing is arranged in the fixed seat at the lower end, and the spring is arranged between the fixed seat at the lower end and the screw nut and is sleeved on the screw rod.

[0012] Based on the above, a motor mounting seat is arranged on the fixed plate, the driving motor is mounted on the motor mounting seat, and the driving motor is in transmission connection with the screw rod through a shaft coupling.

[0013] Based on the above, in order to improve the lifting fluency and stability of the trolley back plate, two sliding rails are included, the two sliding rails and the screw rod are arranged in parallel with each other, and two sliding blocks are arranged on each sliding rail.

[0014] Based on the above, in order to avoid interference, the distance between the trolley back plate and the fixed plate is greater than the thickness of the screw nut, so that the screw nut moves up and down without friction with the fixed plate.

[0015] The utility model also provides an industrial printer, which is installed with the buffer type printer trolley lifting adjusting mechanism.

[0016] Compared with the prior art, the utility model has substantial features and progress, specifically, the buffer type printer trolley lifting adjusting mechanism and the printer provided by the utility model set a spring under the screw rod assembly, so that the screw nut in the screw rod assembly can be supported by the spring when the lifting motor fails or power fails, thereby avoiding the problem of rapid falling and collision of the nozzle group caused by the falling of the screw rod assembly.

[0017] Further, the flange bearing and the needle bearing are installed on the screw rod assembly, thereby further improving the stability and carrying capacity of the screw rod assembly. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic diagram of the buffering type printer trolley lifting adjusting mechanism and the buffering type printer trolley lifting adjusting mechanism in the industrial printer provided by the utility model.

[0019] Figure 2 It is the bottom structure schematic diagram of the buffering type printer trolley lifting adjusting mechanism and the buffering type printer trolley lifting adjusting mechanism in the industrial printer provided by the utility model.

[0020] Figure 3 It is the local structure schematic diagram of the buffering type printer trolley lifting adjusting mechanism and the buffering type printer trolley lifting adjusting mechanism in the industrial printer provided by the utility model.

[0021] In the drawing: 1, fixed plate; 2, motor mounting seat; 3, sliding block; 4, slide rail; 5, trolley back plate; 6, driving motor; 7, trolley side plate; 8, trolley bottom plate; 9, screw rod; 10, flange bearing; 11, screw nut; 12, spring; 13, needle roller bearing. DETAILED DESCRIPTION

[0022] The technical scheme of the utility model will be described in further detail by specific embodiments.

[0023] Embodiment 1

[0024] The embodiment provides a buffering type printer trolley lifting adjusting mechanism, as shown in Figure 1 、 Figure 2 、 Figure 3 It is installed between the trolley back plate 5 and the fixed plate 1, and comprises a driving motor 6, a pair of fixed seats, a spring 12 and a screw rod pair containing a screw nut 11. A pair of said fixed seats are installed at the upper and lower ends of said screw rod pair and are rotationally matched with said screw rod pair. The trolley back plate 5 is provided with a trolley side plate 7 on both sides, and the trolley side plate 7 is provided with a trolley bottom plate 8 at the bottom.

[0025] Said driving motor 6 is connected to one end of said screw rod pair for driving said screw rod pair to lift. Said spring 12 is sleeved between said screw nut 11 and one of said fixed seats, for elastically supporting said screw nut 11.

[0026] Specifically, the screw rod pair comprises a slide rail 4, a slide block 3, a screw rod 9 and the screw nut 11. The slide rail 4 and the screw nut 11 are fixed on the trolley back plate 5 respectively. The slide block 3 is fixed on the fixed plate 1 and is in sliding fit with the slide rail 4. The screw rod 9 is connected to the fixed plate 1 through a pair of the fixed seats. The screw rod 9 is in threaded fit with the screw nut 11. Specifically, two slide rails 4 are included, and the two slide rails 4 and the screw rod 9 are arranged parallel to each other, and two slide blocks 3 are arranged on each slide rail 4 respectively.

[0027] Wherein, the driving force of the driving motor 6 is greater than the elastic force of the spring 12.

[0028] Embodiment 2

[0029] The embodiment provides a buffer type printer trolley lifting adjusting mechanism, and the main difference from the embodiment 1 is that in the embodiment, a flange bearing 10 is arranged in the fixed seat at the upper end, and a needle bearing 13 is arranged in the fixed seat at the lower end. The spring 12 is arranged between the fixed seat at the lower end and the screw nut 11 and is sleeved on the screw rod 9.

[0030] Embodiment 3

[0031] The embodiment provides a buffer type printer trolley lifting adjusting mechanism, and the main difference from the embodiment 1 is that in the embodiment, a motor mounting seat 2 is arranged on the fixed plate, and the driving motor 6 is mounted on the motor mounting seat 2. The driving motor 6 is in transmission connection with the screw rod 9 through a shaft coupling.

[0032] Embodiment 4

[0033] The embodiment provides a buffer type printer trolley lifting adjusting mechanism, and the main difference from the embodiment 1 is that in the embodiment, the distance between the trolley back plate 5 and the fixed plate 1 is greater than the thickness of the screw nut 11, so that the screw nut 11 can move up and down without friction with the fixed plate 1.

[0034] Embodiment 5

[0035] The embodiment provides an industrial printer, and the buffer type printer trolley lifting adjusting mechanism in the embodiment 1, the embodiment 2, the embodiment 3 or the embodiment 4 is mounted on the industrial printer.

[0036] Specifically, the buffer type printer trolley lifting adjusting mechanism provided by the utility model has the following specific movement process:

[0037] Firstly, the driving motor 6 drives the screw rod 9 to rotate, and then drives the screw nut 11 to move on the screw rod 9. Due to the restriction of the slide rail 4 and the slide block 3, the screw nut 11 drives the trolley back plate 5 to ascend and descend. At the same time, since the driving force of the driving motor 6 is greater than the elastic force of the spring 12, when the screw nut 11 descends, the spring 12 can be compressed. When the screw nut 11 ascends, the spring 12 can generate an ascending force on the screw nut 11.

[0038] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the specific embodiments of the present application can still be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range of the present application claimed.

Claims

1. A buffer type printer carriage lift adjustment mechanism installed between a carriage back plate and a fixed plate, characterized in that: The device comprises a driving motor, a pair of fixed seats, a spring and a screw pair containing a screw nut, the screw nut being connected with the trolley back plate; A pair of the fixed seats are installed on the fixed plate and are rotationally matched with the upper and lower ends of the screw pair; The driving motor is connected with one end of the screw pair, used to drive the screw nut to lift and lower, so that the trolley back plate is displaced relative to the fixed plate; The spring is arranged between the screw nut and one of the fixed seats, used to elastically support the screw nut.

2. The cushioned printer cart lift adjustment mechanism of claim 1, wherein: The screw pair comprises a slide rail, a slide block, a screw rod and the screw nut; The slide rail is fixed on the trolley back plate, the slide block is fixed on the fixed plate and is slidingly matched with the slide rail; The screw rod is connected with the fixed plate through a pair of the fixed seats, the screw rod is threadedly matched with the screw nut.

3. The cushioned printer cart lift adjustment mechanism of claim 2, wherein: The fixed seat at the upper end is provided with a flange bearing, the fixed seat at the lower end is provided with a needle bearing, and the spring is arranged between the fixed seat at the lower end and the screw nut and is sleeved on the screw rod.

4. The buffer printer trolley lift adjustment mechanism according to claim 2 or 3, characterised in that: The fixed plate is provided with a motor mounting seat, the driving motor is mounted on the motor mounting seat, and the driving motor is drivingly connected with the screw rod through a shaft coupling.

5. The cushioned printer cart lift adjustment mechanism of claim 4, wherein: The device comprises two slide rails, the three are parallel to each other, and each slide rail is slidingly provided with two slide blocks.

6. The cushioned printer cart lift adjustment mechanism of claim 5, wherein: The distance between the trolley back plate and the fixed plate is greater than the thickness of the screw nut, so that the screw nut moves up and down without friction with the fixed plate.

7. An industrial printer characterized by, The industrial printer is provided with the buffer type printer trolley lifting adjusting mechanism according to any one of claims 1 to 6.

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