CN115610108A

CN115610108A - Shower nozzle buffer stop and digital printing machine

Info

Publication number: CN115610108A
Application number: CN202211545962.6A
Authority: CN
Inventors: 何小燕; 黄达明; 霍文杰
Original assignee: Hopetech Digital Co ltd
Current assignee: Hopetech Digital Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-01-17
Anticipated expiration: 2042-12-05
Also published as: CN115610108B

Abstract

The invention relates to the technical field of scanning digital printing machines, and particularly discloses a spray head anti-collision device and a digital printing machine, wherein the spray head anti-collision device comprises: the detection device comprises a cross beam, a sensing part and a detection element, wherein the cross beam is provided with a plurality of mounting grooves penetrating along the Y-axis direction, the sensing parts penetrate through the mounting grooves, when the cross beam moves synchronously with a spray head along the printing direction, the lower ends of the sensing parts do lifting motion along the Y-axis direction along with the bulges of the cloth, the detection element is suitable for monitoring the height of the sensing parts, and the detection element has a sensing state triggered by the fact that the sensing parts rise to the threshold height and a detection state when the sensing parts are lower than the threshold height; when the detection element is in the sensing state, the spray head stops moving. The anti-collision device for the spray head is compact in structure and high in trigger sensitivity, damage to the spray head due to the protruding cloth can be effectively avoided, and maintenance cost is saved.

Description

Shower nozzle buffer stop and digital printing machine

Technical Field

The invention relates to the technical field of scanning type digital printing machines, in particular to a spray head anti-collision device and a digital printing machine.

Background

The scanning digital printing machine is widely used for manufacturing processes of clothes, cut-parts, clothes, leather, bags, transfer paper, artificial flower leaves, shoe materials, flocked cloth, thick plates, cloth and the like. When the scanning type digital printing machine works, required printed cloth is adhered to a conveying belt, the printed cloth moves to a printing platform under the driving of a driving roller, and then a scanning trolley sprays required patterns on the printed cloth at a certain resolution. Because the cloth adhered on the belt cannot be completely flat and free of bulges, and the spray head is expensive, belongs to a precise instrument and is easy to damage, when the cloth bulges are high, if a scanning trolley for back-and-forth printing does not stop before touching the bulged cloth, the spray head is easy to damage under impact. Furthermore, if the edges of the two sides of the cloth adhered to the belt are curled, the scanning trolley passes through the scanning trolley, and the printed cloth may be curled from the edges, so as to press the nozzle surface, and the nozzle is permanently damaged.

Disclosure of Invention

Therefore, the invention provides the spray head anti-collision device and the digital printing machine in order to overcome the defect that the spray head is easy to damage due to the raised cloth in the printing process.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a sprinkler head collision avoidance device, comprising: the device comprises a cross beam, an induction piece and a detection element, wherein the cross beam and a printing surface are arranged in parallel, and the cross beam is arranged at the front end of the spray head along the printing direction and is suitable for synchronously moving with the spray head along the printing direction; the beam is provided with a plurality of mounting grooves penetrating along the Y-axis direction; the sensing pieces are respectively arranged in the mounting grooves in a penetrating mode, are positioned above the cloth and are suitable for lifting movement along the Y-axis direction along with the bulges of the cloth; the detection element has a sensing state triggered by the sensor rising to a threshold height and a detection state when the sensor is below the threshold height; and when the sensing state is achieved, the spray head stops moving.

According to some embodiments of the invention, the anti-collision device for the spray head further comprises a limiting rod which simultaneously penetrates through the plurality of sensing pieces along the Z-axis direction, and two ends of the limiting rod are fixedly connected with the cross beam through limiting seats.

According to some embodiments of the invention, the sensing member is provided with a limiting hole, the limiting hole is arranged at an eccentric position of the sensing member, the limiting rod is arranged on the limiting hole in a penetrating manner, and the diameter of the limiting hole is larger than the outer diameter of the limiting rod.

According to some embodiments of the invention, the sensing member is provided with a supporting part, the notch of the mounting groove is provided with a sinking platform surface, and the supporting part and the sinking platform surface have a first state of mutual abutting and a second state of mutual disengaging.

According to some embodiments of the invention, the sensing member is a hollow-out plate structure.

According to some embodiments of the invention, the device further comprises an adjusting mechanism, the detecting element is mounted on the cross beam through the adjusting mechanism, and the adjusting mechanism is suitable for adjusting the relative position relationship of the detecting element and the sensing piece on the X axis and the Y axis.

According to some embodiments of the invention, the adjustment mechanism comprises a first adjustment member connected to the beam, a second adjustment member fixedly connected to the detection element, and an adapter adapted to connect the first adjustment member and the second adjustment member, the first adjustment member being adapted to adjust the position of the detection element in the Y-axis, the second adjustment member being adapted to adjust the position of the detection element in the X-axis.

According to some embodiments of the invention, the number of the detection elements is two, and the two detection elements are respectively located at two sides of the sensing member.

According to some embodiments of the present invention, the frame further comprises a connecting plate and a housing, the cross member being fixedly connected to the connecting plate via a first extension arm and a second extension arm; the outer cover is arranged on the cross beam and the connecting plate, and the outer cover is fixedly connected with the cross beam and the connecting plate through fasteners.

The invention also provides a digital printing machine which comprises a scanning vehicle, wherein the scanning vehicle is connected with the spray head anti-collision device.

The technical scheme of the invention has the following advantages:

1. the invention provides a spray head anti-collision device.A cross beam is provided with a plurality of mounting grooves which penetrate through along the Y-axis direction, a plurality of sensing parts penetrate through the mounting grooves, when the cross beam moves synchronously with a spray head along the printing direction, the lower ends of the sensing parts move up and down along the Y-axis direction along with the bulges of cloth, a detection element is suitable for monitoring the height of the sensing parts, and the detection element has a sensing state triggered by the fact that the sensing parts rise to the threshold height and a detection state when the sensing parts are lower than the threshold height; when the detection element is in the sensing state, the spray head stops moving. The anti-collision device for the spray head is compact in structure and high in trigger sensitivity, can effectively avoid damage to the spray head caused by cloth protrusion, and saves maintenance cost.

2. According to the anti-collision device for the spray head, the limit hole of the sensing piece is eccentrically arranged, the limit rod penetrates through the limit hole, the sensing piece takes the limit rod as a supporting point and a rotating center, the micro displacement generated after the sensing piece is contacted with cloth is amplified through the lever principle, the triggering sensitivity can be effectively improved, and when the displacement reaches the set threshold height, the sensing state of the detection element is triggered, so that the spray head stops moving, the impact between the spray head and the cloth bulge is avoided, and the aim of protecting the spray head is fulfilled.

3. According to the anti-collision device for the spray heads, the detection element is mounted on the cross beam through the adjusting mechanism, and the relative position of the detection element and the induction piece is adjusted through the adjusting structure, so that the threshold height is set to adapt to the spray heads with different heights, and the universality is improved.

4. According to the digital printing machine provided by the invention, the spray head anti-collision device is assembled on the scanning vehicle, so that the contact between the spray head and the cloth bulge is effectively avoided, the damage probability of the spray head is reduced, and the maintenance cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is an axial view of a showerhead anticollision device provided in some embodiments of the present invention;

FIG. 2 is a cross-sectional view of a showerhead anti-collision device provided in some embodiments of the present invention;

fig. 3 is a structural view of a sensing member of the head bumper provided in some embodiments of the present invention.

Description of reference numerals: 1. a cross beam; 2. a sensing member; 3. a detection element; 4. a limiting rod; 5. an adjustment mechanism; 6. a connecting plate; 7. a housing; 11. mounting grooves; 12. sinking the table top; 21. a limiting hole; 22. a support portion; 51. a first adjustment member; 52. a second adjusting member; 53. an adapter.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 and 2, the present invention provides a head crash prevention device, including: the device comprises a beam 1, an induction part 2 and a detection element 3, wherein the beam 1 and a printing surface are arranged in parallel, and the beam 1 is arranged at the front end of a spray head along the printing direction and is suitable for synchronously moving with the spray head along the printing direction; a plurality of mounting grooves 11 penetrating along the Y-axis direction are formed in the cross beam 1; the sensing pieces 2 are respectively arranged in the mounting grooves 11 in a penetrating manner, and the sensing pieces 2 are positioned above the cloth and are suitable for lifting movement along the Y-axis direction along with the bulges of the cloth; the detection element 3 has a sensing state triggered by the sensor 2 rising to a threshold height, and a detection state when the sensor 2 is lower than the threshold height; and when the sensing state is achieved, the spray head stops moving.

Specifically, the printing direction may be an arrow direction indicated by an X axis in fig. 1. The Y-axis direction may be the direction of the Y-axis shown in fig. 1.

Specifically, a plurality of mounting grooves 11 penetrating along the Y-axis direction are formed in the cross beam 1, a plurality of sensing elements 2 penetrate through the mounting grooves 11, when the cross beam 1 moves synchronously with the spray head along the printing direction, the lower ends of the sensing elements 2 move up and down along the Y-axis direction along with the protrusions of the cloth, and the detection element 3 has a sensing state triggered by the sensing elements 2 rising to the threshold height and a detection state when the sensing elements 2 are lower than the threshold height; when the sensing piece 2 rises along with the cloth protrusion, the detection element 3 is in a sensing state, the spray head stops moving, when the cloth protrusion disappears, the sensing piece 2 moves downwards under the action of gravity, the detection element 3 is in a detection state, and the spray head moves along the X-axis direction. The anti-collision device for the spray head is compact in structure and high in trigger sensitivity, damage to the spray head due to the protruding cloth can be effectively avoided, and maintenance cost is saved.

Referring to fig. 1, in some embodiments of the present invention, the nozzle head collision avoidance device further includes a limiting rod 4, which simultaneously penetrates through the plurality of sensing elements 2 along the Z-axis direction, and two ends of the limiting rod 4 are fixedly connected to the cross beam 1 through limiting seats.

Specifically, a plurality of mounting grooves 11 are evenly arranged along the Z-axis direction in parallel to be suitable for mounting a plurality of induction elements 2, the limiting rod 4 is simultaneously threaded through the plurality of induction elements 2, the cross beam 1 is provided with a limiting seat, the limiting seat is arranged on two sides of the mounting grooves 11, two ends of the limiting rod 4 are provided with threads, the threads are connected with two ends of the limiting rod 4 through nuts, and the limiting rod 4 is fixedly mounted on the limiting seat. The limiting rod 4 is used for enabling the plurality of sensing pieces 2 to be located at the same initial height, and meanwhile, the sensing pieces 2 can be prevented from being separated from the mounting groove 11 when being touched with a larger cloth bulge.

Note that the Z-axis direction may be the Z-axis direction shown in fig. 1.

Referring to fig. 2, in some embodiments of the present invention, a limiting hole 21 is formed in the sensing element 2, the limiting hole 21 is formed in an eccentric position of the sensing element 2, the limiting rod 4 is inserted into the limiting hole 21, and a diameter of the limiting hole 21 is greater than an outer diameter of the limiting rod 4.

Specifically, spacing hole 21 eccentric settings, gag lever post 4 wears to locate on spacing hole 21, can produce the displacement when guaranteeing to touch with the cloth arch as response piece 2, the diameter of spacing hole 21 is greater than gag lever post 4's external diameter, make to have the hole that can produce the displacement between spacing hole 21 and the gag lever post 4, after the bottom of response piece 2 bumps the back with the cloth arch, response piece 2 uses gag lever post 4 as strong point and center, through lever principle, touch response piece 2 and cloth arch and touch the small displacement volume that produces and enlarge through the skew, effectively improve trigger sensitivity.

In some embodiments of the present invention, the sensing member 2 is provided with a supporting portion 22, the opening of the mounting groove 11 is provided with the sinking platform 12, and the supporting portion 22 and the sinking platform 12 have a first state of mutual abutting and a second state of mutual disengaging.

Specifically, referring to fig. 2 and 3, the sensing element 2 is connected to the mounting groove 11 through the supporting portion 22, so as to reduce the stress between the sensing element 2 and the limiting rod 4, thereby preventing the limiting rod 4 from being bent due to long-term stress and affecting the sensitivity. When the bottom of response piece 2 and the protruding time of touching that does not take place of cloth, supporting part 22 is in the first state of mutual butt with heavy mesa 12, when the bottom of response piece 2 touches with the protruding emergence of cloth, response piece 2 rises this moment, thereby make supporting part 22 and heavy mesa 12 be in the second state that breaks away from each other, response piece 2 uses gag lever post 4 as strong point and rotation axis, touch the response piece 2 and heavy mesa 12 the small displacement that produces enlargies after, thereby improve and trigger sensitivity.

In some embodiments of the present invention, the sensing member 2 is a plate structure with a hollow center.

Specifically, referring to fig. 3, the sensing element 2 is configured as a plate structure with a hollow middle portion, so that the gravity of the sensing element 2 can be effectively reduced, and the trigger sensitivity can be improved.

In some embodiments of the present invention, the head crash prevention device further includes an adjusting mechanism 5, the detecting element 3 is mounted on the cross beam 1 through the adjusting mechanism 5, and the adjusting mechanism 5 is adapted to adjust the relative positional relationship between the detecting element 3 and the sensing member 2 in the X axis and the Y axis.

Specifically, referring to fig. 1 and 2, the adjusting mechanism 5 is disposed on the cross beam 1, and the adjusting mechanism 5 adjusts the relative position relationship between the detecting element 3 and the sensing member 2 on the X axis and the Y axis, so as to set different height thresholds, so as to adjust the sensing sensitivity and adapt to the nozzles with different installation heights. The adjusting mechanism 5 can improve the universality of the spray head anti-collision device.

In some embodiments of the invention, the adjusting mechanism 5 comprises a first adjusting member 51 connected to the cross beam 1, a second adjusting member 52 fixedly connected to the detecting element 3, and an adapter 53 adapted to connect the first adjusting member 51 and the second adjusting member 52, the first adjusting member 51 being adapted to adjust the position of the detecting element 3 on the Y-axis, and the second adjusting member 52 being adapted to adjust the position of the detecting element 3 on the X-axis.

Specifically, the first adjusting member 51 is fixedly connected with the cross beam 1, the adapter 53 is arranged on the first adjusting member 51 in a penetrating manner and can move along the Y-axis direction, after the required position is reached, a threaded hole is formed in the adapter 53, and a fastening screw acts on the first adjusting member 51 through the threaded hole, so that the adapter 53 is fixed; the second adjusting part 52 penetrates through the adapter 53, the second adjusting part 52 can move on the adapter 53 along the X-axis direction, a threaded hole is formed in the adapter 53 after the required position is reached, the second adjusting part 52 is fixed through a set screw by the aid of the threaded hole, and the detecting element 3 is fixed at one end of the second adjusting part 52. By adjusting the position of the adapter 53 on the first adjusting member 51, the threshold height of the detection element 3 on the Y axis is preset; after the adapter 53 is fixed on the first adjusting member 51, the distance between the detecting element 3 and the sensing member 2 on the X axis is adjusted by controlling the position of the second adjusting member on the X axis.

In some embodiments of the present invention, two detection elements 3 are provided, and two detection elements 3 are respectively located at two sides of the sensing member 2.

Specifically, the detection elements 3 are distributed on two sides of the sensing piece 2, so that the displacement change of the sensing piece 2 is comprehensively monitored, the trigger sensitivity is ensured, and the error is reduced.

In some embodiments of the present invention, the present invention further comprises a connecting plate 6 and a cover 7, wherein the cross beam 1 is fixedly connected with the connecting plate 6 through a first extension arm and a second extension arm; the outer cover 7 covers the cross beam 1 and the connecting plate 6, and the outer cover 7 is fixedly connected with the cross beam 1 and the connecting plate 6 through fasteners.

Concretely speaking, through first extension arm and second extension arm, be connected connecting plate 6 and crossbeam 1, the keysets and scanning car fixed connection, first extension arm and second extension arm make response piece 2 be located the relative front end of shower nozzle, and when response piece 2 and cloth arch touched, the shower nozzle was located relative rear end, avoided shower nozzle and the protruding striking of cloth to cause the damage.

Specifically, two waist-shaped holes are formed in the connecting plate 6, and the connecting plate 6 is fixedly connected with the scanning vehicle through the fasteners penetrating through the waist-shaped holes, so that the nozzle anti-collision device moves along with the scanning vehicle. Through the waist type hole on the connecting plate 6, carry out position control to shower nozzle buffer stop on the Y axle to make the bottom surface and the shower nozzle hole face of response piece 2 have the difference in height, shower nozzle hole face is higher than the bottom surface of response piece 2, has further guaranteed the security of shower nozzle, reduces the maintenance cost.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.

Claims

1. The utility model provides a shower nozzle buffer stop which characterized in that includes:

the printing device comprises a cross beam (1), wherein the cross beam (1) and a printing surface are arranged in parallel, and the cross beam (1) is arranged at the front end, opposite to a sprayer, of the sprayer along the printing direction and is suitable for moving synchronously with the sprayer along the printing direction; a plurality of mounting grooves (11) penetrating along the Y-axis direction are formed in the cross beam (1);

the sensing pieces (2) are respectively arranged in the mounting grooves (11) in a penetrating mode, and the sensing pieces (2) are located above the cloth and are suitable for moving up and down along the Y-axis direction along with the protrusions of the cloth;

a detection element (3), said detection element (3) having a sensing state triggered by said sensor (2) rising to a threshold height, and a detection state when said sensor (2) is below a threshold height;

and when the sensing state is achieved, the spray head stops moving.

2. The anti-collision device for the spray head according to claim 1, further comprising a limiting rod (4) which penetrates through the plurality of sensing pieces (2) along the Z-axis direction, wherein two ends of the limiting rod (4) are fixedly connected with the cross beam (1) through limiting seats.

3. The anti-collision device for the spray head according to claim 2, wherein a limiting hole (21) is formed in the sensing part (2), the limiting hole (21) is formed in an eccentric position of the sensing part (2), the limiting rod (4) penetrates through the limiting hole (21), and the diameter of the limiting hole (21) is larger than the outer diameter of the limiting rod (4).

4. The spray head collision avoidance device according to claim 3, wherein the sensing member (2) is provided with a support portion (22), the notch of the mounting groove (11) is provided with a counter top (12), and the support portion (22) and the counter top (12) have a first state of mutual abutment and a second state of mutual disengagement.

5. The anti-collision device for the spray head according to claim 4, wherein the sensing part (2) is of a plate structure with a hollow middle part.

6. The spray head collision avoidance device according to claim 1, further comprising an adjustment mechanism (5), wherein the detection element (3) is mounted on the cross beam (1) through the adjustment mechanism (5), and the adjustment mechanism (5) is adapted to adjust a relative positional relationship between the detection element (3) and the sensing member (2) in an X-axis and a Y-axis.

7. Spray head impact protection according to claim 6, wherein said adjustment mechanism (5) comprises a first adjustment member (51) connected to said cross-member (1), a second adjustment member (52) fixedly connected to said detection element (3), and an adapter (53) adapted to connect said first adjustment member (51) and said second adjustment member (52), said first adjustment member (51) being adapted to adjust the position of said detection element (3) on the Y-axis, said second adjustment member (52) being adapted to adjust the position of said detection element (3) on the X-axis.

8. Spray head collision prevention device according to claim 1, characterized in that there are two detection elements (3), two detection elements (3) being located on each side of the sensor (2).

9. The spray head collision avoidance device of claim 1, further comprising a connecting plate (6) and a housing (7), wherein the cross beam (1) is fixedly connected with the connecting plate (6) through a first extension arm and a second extension arm; the outer cover (7) is covered on the cross beam (1) and the connecting plate (6), and the outer cover (7) is fixedly connected with the cross beam (1) and the connecting plate (6) through fasteners.

10. A digital printing machine, comprising a scanning vehicle, wherein the scanning vehicle is connected with the spray head collision-prevention device of any one of claims 1 to 9.