Moving mechanism of packaging box screen printing machine

Abstract

The utility model discloses a packing box screen printing machine moving mechanism which comprises a stand column, a lifting frame, a lifting air cylinder installed on the stand column, a screen printing plate, a machine head horizontally arranged on the lifting frame in a sliding mode and a horizontal driving assembly. A limiting assembly for limiting the lifting frame to move opposite to the lifting air cylinder is arranged on the stand column, a pressing assembly is arranged above the screen printing plate, the pressing assembly has a pressing state for pressing the screen printing plate to be fixed to the positioning assembly and a non-pressing state, and a linkage assembly for driving the lifting frame and the pressing assembly to move is connected between the lifting air cylinder and the lifting frame and between the lifting air cylinder and the pressing assembly. The linkage assembly is matched with the limiting assembly and has a lifting stroke for driving the lifting frame to ascend and descend and a pressing stroke for driving the pressing assembly to be in a pressing state. The utility model has the following advantages and effects: the screen printing plate can be conveniently replaced, so that the workload of workers is reduced, and the production efficiency of products is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a packing box silk screen printing machine, especially a packing box silk screen printing machine moving mechanism. BACKGROUND

[0002] The silk screen printing machine is a kind of printing equipment that ink is transferred to the surface of printing material by silk screen, and belongs to one kind of hole printing technology.It occupies an important position in many industries by virtue of unique printing mode, extensive applicability and high-quality printing effect.

[0003] The existing silk screen printing machine moving mechanism includes stand, lifting frame that can slide up and down along the stand, lifting driving part that drives the movement of lifting frame, screen plate fixed on the lifting frame, head that slides horizontally on the lifting frame and horizontal drive assembly that drives the movement of head.At present, most screen plates on the market are locked and fixed on the lifting frame by multiple fasteners.When facing the printing task of small batch, multiple screen surface products, workers need to frequently replace screen plate according to different needs.However, due to the restriction of existing screen plate fixing structure, workers need to operate fasteners one by one in the replacement process, which leads to large workload and slow replacement speed of this kind of operation mode, which has caused adverse effects on the production efficiency of products to some extent. SUMMARY

[0004] The utility model aims at providing a packing box silk screen printing machine moving mechanism, which can realize convenient replacement of screen plate, thereby reducing manual workload and improving product production efficiency.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a packing box silk screen printing machine moving mechanism, including stand, lifting frame that is arranged to slide up and down on the stand, lifting cylinder that is installed on the stand, screen plate, head that is arranged to slide horizontally on the lifting frame and horizontal drive assembly that drives the movement of head, the position of lifting frame below head is provided with the positioning assembly for screen plate, the stand is provided with the limiting assembly that limits the movement of lifting frame opposite lifting cylinder, the pressure assembly is arranged above screen plate, the pressure assembly has the pressure state that screen plate is fixed in the positioning assembly and non-pressure state, the lifting cylinder is connected with lifting frame and pressure assembly and is connected with linkage assembly that drives the movement of lifting frame and pressure assembly, the linkage assembly cooperates with limiting assembly and has lifting stroke that drives lifting frame to lift and pressure stroke that drives pressure assembly to be in pressure state.

[0006] By adopting the technical scheme, the screen plate is placed and installed on the positioning assembly, the lifting cylinder drives the lifting frame and the pressing assembly to move synchronously through the linkage assembly, the linkage assembly drives the lifting frame to move up and down to make the screen plate adhere to the surface of the printing object first, and then drives the pressing assembly to press the screen plate, so as to avoid displacement of the screen plate in the printing process, thereby ensuring the printing quality of the product. When the printing operation is completed, the lifting cylinder drives the lifting frame and the pressing assembly to rise through the linkage assembly, so as to switch the pressing assembly to the non-pressing state, conveniently take out the screen plate from the positioning assembly, realize convenient replacement of the screen plate, reduce the labor workload, and improve the product production efficiency.

[0007] Further, the lifting cylinder drives the lifting frame and the pressing assembly to move through the linkage assembly and sequentially pass through the lifting stroke and the pressing stroke, and switches the pressing assembly from the non-pressing state to the pressing state.

[0008] By adopting the technical scheme, the lifting cylinder can drive the lifting frame to move up and down, and can cooperate with the pressing assembly to synchronously realize the pressing and fixing operation of the screen plate in the positioning assembly, so as to avoid movement of the screen plate in the printing process.

[0009] Further, the positioning assembly includes a positioning slot provided on the lifting frame and having a socket, and a centering structure formed between the positioning slot and the screen plate, and the socket of the positioning slot is perpendicular to the movement direction of the lifting cylinder.

[0010] By adopting the technical scheme, the screen plate is inserted into the positioning slot, and the centering structure is provided to realize the centering and installation of the screen plate, so as to ensure the installation precision of the screen plate and the printing quality in the later period.

[0011] Further, the centering structure includes two centering inclined surfaces formed on the side wall of the positioning slot and a matching inclined surface formed on the screen plate and corresponding to the two centering inclined surfaces, and the two centering inclined surfaces are symmetrically arranged along the socket of the positioning slot.

[0012] By adopting the technical scheme, the two symmetrically arranged centering inclined surfaces cooperate with the matching inclined surface to realize the centering and positioning operation of the screen plate in the positioning slot.

[0013] Further, a plurality of detachable positioning structures are arranged between the positioning slot and the screen plate, and the positioning structure includes a first magnetic block fixedly arranged on the side wall of the positioning slot and a second magnetic block fixedly arranged on the screen plate and magnetically attracted to the first magnetic block.

[0014] By adopting the technical scheme, the first magnetic block cooperates with the second magnetic block to realize detachable pre-fixing of the screen plate in the positioning slot, displacement of the screen plate when being attached to the printing object is avoided, so as to ensure the printing quality, and the detachable pre-fixing structure does not affect the convenient replacement operation of the screen plate, and the screen plate can be taken out of the positioning slot by applying a large force.

[0015] Further, the linkage assembly comprises a linkage hole arranged on the lifting frame and through which the lifting cylinder telescopic rod passes, and a linkage spring fixedly connecting the lifting frame and the pressing assembly, the pressing assembly is located below the linkage hole and connected with the lifting cylinder telescopic rod, and when the linkage spring is in the initial state, the pressing assembly is in the non-pressing state above the screen plate.

[0016] By adopting the technical scheme, the lifting cylinder drives the lifting frame and the pressing assembly to move synchronously through the linkage spring fixedly connecting the lifting frame and the pressing assembly, when the lifting frame is positioned by the limiting component, the lifting cylinder continues to stretch to stretch the linkage spring, and then drives the pressing assembly to move independently to control the pressing assembly to be pressed above the screen plate.

[0017] Further, the pressing assembly is a pressing frame fixedly connected with the lifting cylinder telescopic rod.

[0018] By adopting the technical scheme, the pressing frame is abutted above the screen plate to fix the screen plate, so as to avoid displacement of the screen plate in the subsequent printing process.

[0019] Further, the limiting component comprises a limiting seat fixedly installed on the stand, a limiting block slidingly arranged on the limiting seat along the movement direction of the lifting cylinder, and a locking nut threadedly connected with the limiting block.

[0020] By adopting the technical scheme, the locking nut fixes the limiting block on the limiting seat, and can adjust the limiting height of the limiting block according to the need, so that the limiting block has better practicability.

[0021] In summary, the utility model has the following beneficial effects: the utility model can realize convenient replacement of the screen plate, so as to reduce the labor workload and improve the product production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of an embodiment;

[0023] Figure 2 It is a structural schematic view of another view of an embodiment;

[0024] Figure 3 It is an exploded view of an embodiment;

[0025] Figure 4 It is a partial structural schematic view of an embodiment;

[0026] Figure 5 Another partial exploded view for the embodiment.

[0027] In the figure: 1, a column; 2, a lifting frame; 3, a lifting cylinder; 4, a screen; 5, a machine head; 6, a horizontal driving assembly; 7, a positioning assembly; 71, a positioning slot; 72, a centering bevel; 73, a matching bevel; 8, a limiting assembly; 81, a limiting seat; 82, a limiting block; 83, a locking nut; 91, a pressing frame; 10, a linkage assembly; 101, a linkage hole; 102, a linkage spring; 11, a first magnetic block; 12, a second magnetic block. DETAILED DESCRIPTION

[0028] The utility model will be further explained in detail below in combination with the drawings.

[0029] Reference Figures 1 to 5 A packaging box screen printing machine moving mechanism, including column 1, lifting frame 2 of lifting slidingly arranged in column 1, lifting cylinder 3 fixedly installed in column 1, screen 4, machine head 5 of horizontal slidingly arranged in lifting frame 2 and the horizontal driving assembly 6 of driving machine head 5 movement. Lifting frame 2 is equipped with the positioning assembly 7 for screen 4 to place in the position below machine head 5, and column 1 is equipped with the limiting assembly 8 for limiting lifting frame 2 opposite lifting cylinder 3 movement. The pressing assembly is arranged above screen 4, and the pressing assembly has the pressing state of pressing screen 4 fixed in positioning assembly 7 and the non-pressing state. Lifting cylinder 3 is connected between lifting frame 2 and the pressing assembly and has linkage assembly 10 for driving lifting frame 2 and the pressing assembly movement, and linkage assembly 10 cooperates with limiting assembly 8 and has the lifting stroke of driving lifting frame 2 lifting and the pressing stroke of driving the pressing assembly in the pressing state.

[0030] Lifting cylinder 3 drives lifting frame 2 and the pressing assembly movement through linkage assembly 10 and sequentially passes through lifting stroke and pressing stroke and switches the pressing assembly from non-pressing state to pressing state. Positioning assembly 7 includes positioning slot 71 being opened in lifting frame 2 and having spigot and centering structure being formed between positioning slot 71 and screen 4, and the spigot of positioning slot 71 is perpendicular to the direction of movement of lifting cylinder 3. The centering structure includes two centering bevels 72 being opened and formed in the side wall of positioning slot 71 and matching bevel 73 being opened and formed in screen 4 and corresponding to the adaptation of two centering bevels 72, and two centering bevels 72 are symmetrically arranged along the direction of spigot of positioning slot 71.

[0031] A plurality of detachable positioning structures are arranged between the positioning slot 71 and the screen 4, and the positioning structures include a first magnetic block 11 fixedly arranged on the side wall of the positioning slot 71 and a second magnetic block 12 fixedly arranged on the screen 4 and attracted to the first magnetic block 11. The horizontal driving assembly 6 includes two pulleys rotatably arranged in the lifting frame 2, a transmission belt connecting the two pulleys, and a motor fixedly installed on the outer wall of the lifting frame 2 and fixedly connected with one of the pulleys, and the head 5 is fixedly connected with the transmission belt.

[0032] The pressing assembly is a pressing frame 91, the linkage assembly 10 includes a linkage hole 101 arranged in the lifting frame 2 and through which the telescopic rod of the lifting cylinder 3 extends, and a linkage spring 102 fixedly connecting the lifting frame 2 and the pressing frame 91. The pressing frame 91 is located below the linkage hole 101 and is fixedly connected with the telescopic rod of the lifting cylinder 3; and when the linkage spring 102 is in the initial state, the pressing frame 91 is in the non-pressing state above the screen 4, the initial state of the linkage spring 102 is the state not affected by the force of the lifting cylinder 3, and the telescopic rod of the lifting cylinder 3 is in sliding fit with the linkage hole 101.

[0033] The limiting assembly 8 includes a limiting seat 81 fixedly installed on the stand 1, a limiting block 82 slidingly arranged on the limiting seat 81 along the movement direction of the lifting cylinder 3, and a locking nut 83 threadedly connected with the limiting block 82. The locking nut 83 is provided in two and located above and below the limiting seat 81 respectively, and the limiting block 82 abuts against the lifting frame 2 below for limiting the downward movement of the lifting frame 2.

[0034] The specific embodiment is only an explanation of the present application, and is not a limitation of the present application. Those skilled in the art can make modifications to the embodiment without creative contribution after reading the specification, but as long as the modifications are within the scope of the claims of the present application, they are protected by the patent law.

Claims

1. A packaging box screen printing machine moving mechanism, comprising a stand column (1), a lifting frame (2) which is arranged on the stand column (1) in a lifting sliding mode, a lifting cylinder (3) which is installed on the stand column (1), a screen (4), a machine head (5) which is arranged on the lifting frame (2) in a horizontal sliding mode, and a horizontal driving assembly (6) which drives the machine head (5) to move, characterized in that: The lifting frame (2) is provided with a positioning assembly (7) for placing the screen plate (4) below the head (5), the stand (1) is provided with a limiting assembly (8) for limiting the movement of the lifting frame (2) away from the lifting cylinder (3), a pressing assembly is provided above the screen plate (4), the pressing assembly has a pressing state and a non-pressing state, the lifting cylinder (3) is connected with the lifting frame (2) and the pressing assembly, and the linkage assembly (10) is connected between the lifting cylinder (3) and the lifting frame (2) and the pressing assembly, the linkage assembly (10) cooperates with the limiting assembly (8) to drive the lifting frame (2) to lift and drive the pressing assembly to the pressing state.

2. The packaging carton screen printing press moving mechanism according to claim 1, wherein: The lifting cylinder (3) drives the lifting frame (2) and the pressing assembly to move through the linkage assembly (10) and sequentially pass through the lifting stroke and the pressing stroke, and switches the pressing assembly from the non-pressing state to the pressing state.

3. The packaging carton screen printing press moving mechanism according to claim 2, wherein: The positioning assembly (7) includes a positioning slot (71) provided on the lifting frame (2) and having a socket, and a centering structure formed between the positioning slot (71) and the screen plate (4), the socket of the positioning slot (71) is perpendicular to the movement direction of the lifting cylinder (3).

4. The packaging carton screen printing press moving mechanism according to claim 3, wherein: The centering structure includes two centering inclined surfaces (72) formed on the side wall of the positioning slot (71) and a matching inclined surface (73) formed on the screen plate (4) and corresponding to the two centering inclined surfaces (72), the two centering inclined surfaces (72) are symmetrically arranged along the socket direction of the positioning slot (71).

5. The packaging carton screen printing press moving mechanism according to claim 3, wherein: A plurality of detachable positioning structures are provided between the positioning slot (71) and the screen plate (4), the positioning structure includes a first magnetic block (11) fixedly arranged on the side wall of the positioning slot (71) and a second magnetic block (12) fixedly arranged on the screen plate (4) and attracted to the first magnetic block (11).

6. The packaging carton screen printing press moving mechanism according to claim 3, wherein: The linkage assembly (10) includes a linkage hole (101) provided on the lifting frame (2) and through which the telescopic rod of the lifting cylinder (3) passes, and a linkage spring (102) fixedly connecting the lifting frame (2) and the pressing assembly, the pressing assembly is located below the linkage hole (101) and connected with the telescopic rod of the lifting cylinder (3), and when the linkage spring (102) is in the initial state, the pressing assembly is in the non-pressing state above the screen plate (4).

7. A packaging carton screen printing machine moving mechanism according to claim 6, wherein: The pressing assembly is a pressing frame (91) fixedly connected with the telescopic rod of the lifting cylinder (3).

8. The packaging carton screen printer moving mechanism according to claim 1, wherein: The limiting assembly (8) includes a limiting seat (81) fixedly installed on the stand (1), a limiting block (82) slidingly arranged in the limiting seat (81) along the movement direction of the lifting cylinder (3), and a locking nut (83) threadedly connected to the limiting block (82).

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