CN211031652U - Transfer printing head mechanism and transfer printing equipment - Google Patents

Abstract

The utility model discloses a bat printing head mechanism and bat printing equipment. The transfer printing head mechanism comprises a transfer printing head, a transfer printing head bottom plate and a positioning mechanism, wherein the transfer printing head bottom plate is used for being connected with a transfer printing head driving part, the positioning mechanism is connected between the transfer printing head and the transfer printing head bottom plate, and the positioning mechanism comprises a position positioning assembly and an angle positioning assembly, the position positioning assembly is used for adjusting the mounting position of the transfer printing head in the direction vertical to the Z direction, and the angle positioning assembly is used for adjusting the mounting angle of the transfer printing head around the. Through the setting of position locating component and angle locating component, can make the mounting position and the angularly adjustable of bat printing head for the removal head bottom plate, correspondingly, the position and the angularly adjustable of bat printing head installation in bat printing head driving piece to overcome the installation deviation that machining error brought, can improve the bat printing effect.

Description

Transfer printing head mechanism and transfer printing equipment

Technical Field

The utility model relates to a bat printing technical field, in particular to bat printing head mechanism and bat printing equipment.

Background

In the process of pad printing, the pad printing equipment adopts the pad printing head to absorb ink from the groove of the engraving plate, and then the movable support drives the pad printing head to move to the position of the glass waiting for the pad printing piece to print.

Among the current bat printing equipment, the bat printing head snap-on is on removing the first driving piece, and its installation accuracy is nonadjustable, when bat printing head or remove first driving piece when there is the error in the course of working, leads to the bat printing head to assemble probably can not accurately carry out the blotting or printing in the position of settlement behind removing the first driving piece, influences the bat printing effect.

Therefore, how to improve the pad printing effect is a technical problem that needs to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a pad printing head mechanism, which can improve the pad printing effect. Another object of the present invention is to provide a pad printing apparatus including the above pad printing head mechanism, which can improve the pad printing effect.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a bat printing head mechanism, its characterized in that, including the bat printing head, be used for connecting the bat printing head bottom plate of bat printing head driving piece and connect in the bat printing head with positioning mechanism between the bat printing head bottom plate, positioning mechanism includes position locating component and angle locating component, position locating component is used for adjusting the installation position of bat printing head on perpendicular to Z is ascending, angle locating component is used for adjusting the bat printing head winds the installation angle of Z to.

Preferably, the position positioning assembly comprises a pad printing head sliding block connected with the pad printing head bottom plate in a sliding mode and a Y-direction transmission piece connected between the pad printing head sliding block and the pad printing head bottom plate; the Y-direction transmission part is used for driving the pad printing head to slide linearly relative to the pad printing head bottom plate along the Y direction, and the Y direction is perpendicular to the Z direction.

Preferably, a first dovetail groove extending along the Y direction is formed in the pad bottom plate, the first dovetail groove is contracted toward a port of the first dovetail groove in the Z direction, and a first dovetail-shaped slider adapted to the first dovetail groove for Y-direction guiding is fixed to the pad slider.

Preferably, the angle positioning assembly comprises a pad printing head rotating block and a rotating shaft fixed on the pad printing head rotating block, the pad printing head is fixed on the pad printing head rotating block, and the rotating shaft is rotatably connected with the pad printing head sliding block and the rotating center of the rotating shaft is along the Z direction extension.

Preferably, the last edge of bat printing head sliding block is equipped with convex spacing hole to the Z to running through, the extension orbit in spacing hole is for using the rotation center of rotation axis is a circular shape arc limit of centre of a circle, be equipped with stop screw in the spacing hole, stop screw fixed connection the bat printing head rotating block just the head of stop screw with the cooperation of bat printing head rotating block is followed the Z is to cliping the bat printing head sliding block.

Preferably, the rotation axis rotate peg graft in the connecting hole of bat printing head sliding block, the rotation axis is in Z upwards stretch into in the one end of connecting hole is fixed with the stopper, be equipped with the elastic component between stopper and the bat printing head sliding block, the restoring force of elastic component makes the stopper have towards Z upwards keeps away from the trend of the direction motion of bat printing head rotating block.

Preferably, a rotary connecting block is fixed on the transfer printing head rotating block, an angle adjusting knob assembly is connected on the transfer printing head sliding block, and the angle adjusting knob assembly pushes the transfer printing head rotating block to rotate around the rotating center of the rotating shaft through rotation.

Preferably, the pad is detachably and fixedly connected to the pad rotating block.

A transfer printing device comprises a transfer printing rack and a transfer printing head mechanism as described in any one of the above, the transfer printing head mechanism is connected to the transfer printing rack through a transfer printing head driving part, the transfer printing head driving part comprises an X-direction driving part for driving the transfer printing head to move in an X direction and a Z-direction driving part for driving the transfer printing head to move in the Z direction; the position positioning assembly is used for adjusting the mounting position of the pad printing head in the Y direction; and the X direction, the Y direction and the Z direction are vertical pairwise.

Preferably, the pad printing frame is provided with a safety grating for detecting whether a person or an object enters the set working range of the pad printing head, and the safety grating is electrically connected with the controller.

The utility model provides a bat printing head mechanism, including bat printing head, be used for connecting the bat printing head bottom plate of bat printing head driving piece and connect the positioning mechanism between bat printing head and bat printing head bottom plate, positioning mechanism moves the position locating component of printer head in perpendicular to Z to the mounted position and is used for adjusting the angle locating component that moves printer head around Z to installation angle including being used for adjusting.

Through the setting of position locating component and angle locating component, can make the mounting position and the angularly adjustable of bat printing head for the removal head bottom plate, correspondingly, the position and the angularly adjustable of bat printing head installation in bat printing head driving piece to overcome the installation deviation that machining error brought, can improve the bat printing effect.

The utility model provides a bat printing equipment including above-mentioned bat printing head mechanism can improve bat printing effect.

Drawings

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

Fig. 1 is a first direction structure diagram of the pad printing device provided by the present invention;

FIG. 2 is a second directional block diagram of the pad printing apparatus provided by the present invention;

FIG. 3 is a block diagram of a pad print head mechanism provided by the present invention;

FIG. 4 is a cross-sectional view of the pad print head mechanism of the present invention in the Z-direction;

FIG. 5 is a cross-sectional view of the moving head base plate and the moving head slider portion of the pad printing head mechanism provided by the present invention;

FIG. 6 is a side view of the moving head base plate and the moving head slider portion of the pad printing head mechanism provided by the present invention;

FIG. 7 is a top view of a pad print head mechanism provided by the present invention after hiding the pad print head backplane;

FIG. 8 is a block diagram of a pad print head mechanism according to the present invention after hiding the pad print head base plate;

FIG. 9 is a side view of a pad print head mechanism provided by the present invention;

FIG. 10 is a schematic view of a pad rotating block and a pad positioning plate of the pad mechanism according to the present invention in a locked state;

fig. 11 is a structural diagram of the pad rotating block and the pad positioning plate portion of the pad mechanism in an unlocked state.

In fig. 1 to 11:

11-a pad, 12-a pad positioning plate, 13-a locking mechanism and 14-a second dovetail-shaped sliding block;

21-pad print head rotating block, 22-rotating shaft, 23-angle adjusting knob, 24-second dovetail groove, 25-elastic piece, 26-limiting block, 27-first gasket, 28-second gasket, 29-limiting screw, 210-head end plate, 211-rotating connecting block, 212-elastic pin;

31-a pad sliding block, 32-a pad bottom plate, 33-Y direction adjusting knobs, 34-Y direction precision screw rods, 35-Y direction screw rod fixing seats, 36-bearings, 37-Y direction screw rod nuts, 38-limiting holes, 39-mounting seats, 310-a first dovetail groove, 311-a first dovetail-shaped sliding block, 312-a sleeve and 313-connecting holes;

41-pad printing frame, 42-safety grating, 43-blocking block;

the device comprises a 51-X-direction wire groove, a 52-X-direction sliding plate, a 53-X-direction motor, a 54-first coupler, a 55-first supporting seat, a 56-X-direction screw rod and a 57-X-direction screw rod connecting block;

61-a second supporting seat, 62-a second coupler, 63-Z direction motor, 64-Z direction wire groove and 65-Z direction screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a bat printing head mechanism can improve the bat printing effect. The other core of the utility model is to provide a bat printing equipment including above-mentioned bat printing head mechanism, can improve bat printing effect.

In the description of the present invention, the first and second are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In one embodiment of the pad printing head mechanism provided in the present invention, please refer to fig. 1 to 11, which includes a pad printing head 11, a pad printing head bottom plate 32 for connecting a driving member of the pad printing head, and a positioning mechanism connected between the pad printing head 11 and the pad printing head bottom plate 32. The pad 11 is typically a glue pad. The positioning mechanism includes a position positioning unit for adjusting the mounting position of the pad 11 in the direction perpendicular to the Z direction and an angle positioning unit for adjusting the mounting angle of the pad 11 around the Z direction. As shown in FIG. 3, the pad head plate 32, the positioning mechanism, and the pad head 11 are preferably arranged in sequence along the Z-direction.

In use in a pad printing apparatus, the pad driver is connected to the other end of the pad backplane 32 which is not connected to the positioning mechanism in the Z-direction. For the purpose of convenient description, the X direction, the Y direction and the Z direction are perpendicular straight line directions in pairs, and are not to be construed as limiting the application. Wherein the Z-direction generally corresponds to the up-down direction, as shown in fig. 1, the pad 11 is connected below the pad backplane 32 and the pad driver is connected above the pad backplane 32.

The position positioning assembly is used for adjusting the mounting position of the pad 11 in the direction perpendicular to the Z direction, and the adjustment of the mounting position refers to the spatial position change of the pad 11 achieved by translation along the preset direction. The position positioning assembly can specifically adjust the position of the pad 11 in one, two or more than two preset directions perpendicular to the Z direction, and in addition, the preset directions can be linear directions or arc directions.

The angular positioning unit is used to adjust the mounting angle of the pad 11 about the Z direction, which is a spatial position change achieved by rotation about a rotation center extending in the Z direction. Wherein, the position of the rotation center may be adjustable in the direction perpendicular to the Z direction relative to the moving head base plate 32 or may be fixed relative to the moving head base plate 32 according to the connection relationship between the angle positioning assembly and the position positioning assembly. The pad printing accuracy can be improved by adjusting the mounting angle of the pad printing head 11 having a rectangular cross section perpendicular to the Z direction.

Accordingly, the installation position and angle of the pad 11 relative to the pad base plate 32 can be adjusted by the arrangement of the position positioning component and the angle positioning component, and accordingly, the position and angle of the pad 11 installed on the pad driving component can be adjusted, so that the installation deviation caused by machining errors can be overcome, and the pad effect can be improved.

Further, the position positioning assembly includes a pad slider 31 slidably connected to the pad base plate 32 and a Y-directional transmission member connected between the pad slider 31 and the pad base plate 32. Specifically, the pad slider 31 is attached to the pad base plate 32 on the side in the Z direction. The Y-direction transmission member is used to drive the pad 11 to slide linearly along the Y-direction relative to the pad base plate 32.

When applied to a pad printing device, as shown in fig. 1, the pad driving member drives the pad 11 to move linearly on the pad frame 41 along the X direction to switch between the ink absorbing position and the pad position of the member to be pad printed, the pad driving member can ensure the pad printing precision of the X direction, and the position of the pad 11 in the Y direction can be adjusted by the position positioning member to ensure the pad printing precision of the Y direction.

Through setting up the position locating component to the bat printing head sliding block 31 of the 11 positions of the straight line adjustment bat printing head, the cooperation bat printing head driving piece can realize in perpendicular to Z upwards to the comprehensive adjustment of 11 bat printing positions of the bat printing head, the processing of being convenient for, the regulation operation is convenient for go on.

Wherein, optionally, as shown in fig. 5, the Y-direction transmission member includes a Y-direction precision screw 34, a Y-direction screw nut 37, and a Y-direction precision screw holder 35 fixed to the pad bottom plate 32. The Y-direction precision screw 34 is rotatably connected to a Y-direction precision screw fixing seat 35 through a bearing 36, a Y-direction screw nut 37 is in threaded connection with the Y-direction precision screw 34, the Y-direction screw nut 37 is fixed on the pad printing head sliding block 31, and the Y-direction screw nut 37 and the pad printing head sliding block 31 can be driven to slide in the Y direction relative to the pad printing head bottom plate 32 by rotating the Y-direction precision screw 34. More specifically, the Y-direction fine screw rod 34 may be sleeved and fixed with a Y-direction adjusting knob 33, so as to determine the number of manual rotation turns, and determine the distance of Y-direction adjustment. Alternatively, the Y-direction transmission member may be a linear motor, a housing of which is fixed to the pad bottom plate 32 and an output shaft of which is fixed to the pad slider 31.

Optionally, the pad bottom plate 32 and the pad sliding block 31 may be slidably connected by a linear guide mechanism guided along the Y direction to ensure the smoothness of the movement. Preferably, as shown in fig. 9, a first dovetail groove 310 extending along the Y direction may be disposed on the pad base plate 32, and correspondingly, a first dovetail slider 311 adapted to the first dovetail groove 310 for Y-direction guiding is fixed on the pad slider block 31, and the first dovetail groove 310 is contracted in the Z direction toward the port direction thereof, so as to prevent the pad slider block 31 from separating from the pad base plate 32 along the Z direction, and have a Z-direction limiting function.

Further, as shown in fig. 4, the angle positioning unit includes a pad rotating block 21 and a rotating shaft 22 fixed to the pad rotating block 21, the pad 11 is fixed to the pad rotating block 21, the rotating shaft 22 is rotatably connected to the pad sliding block 31, and a rotation center of the rotating shaft 22 extends in the Z direction.

The angle positioning component is connected between the position positioning component and the pad printing head 11, the position positioning component can drive the angle positioning component to be integrally adjusted with the pad printing head 11 in the installation position, and the angle positioning component can adjust the installation angle of the pad printing head 11 in the determined installation position. However, since the rotation shaft 22 is changed in position in the Y direction in accordance with the pad slider 31, the position of the rotation center (generally, the center line of the rotation shaft 22) of the pad 11 for adjusting the mounting angle is changed accordingly. By rotating the pad 11 with reference to the rotation shaft 22, the operation is facilitated, and the assembly is facilitated.

Of course, in other embodiments, the position-locating assembly may be coupled between the angular-locating assembly, which is directly coupled to the pad backplane 32, and the pad 11.

Further, as shown in fig. 4, 7 and 8, an arc-shaped limiting hole 38 is formed in the pad head sliding block 31 in the Z direction, an extending track of the limiting hole 38 is a circular arc edge with the rotation center of the rotating shaft 22 as a center, a limiting screw 29 is disposed in the limiting hole 38, the limiting screw 29 is fixedly connected to the pad head rotating block 21, and the head of the limiting screw 29 cooperates with the pad head rotating block 21 to clamp the pad head sliding block 31 in the Z direction.

When the pad 11 is rotated around the rotation center of the rotation shaft 22, the limit screws 29 will move in the corresponding limit holes 38, which has a guiding effect on the rotation of the pad 11 and is beneficial to improving the stability of the rotation of the pad 11; when the limit screw 29 moves to abut against the end of the limit hole 38, the pad 11 cannot rotate continuously, and the rotational angle of the pad 11 can be restricted within the reasonable range set by the limit hole 38, so that the pad has a rotation limiting effect.

Further, referring to fig. 4, the rotation shaft 22 is rotatably inserted into the connection hole 313 of the pad slider 31, the rotation shaft 22 is fixed with a stopper 26 at one end extending into the connection hole 313 in the Z direction, an elastic member 25 is disposed between the stopper 26 and the pad slider 31, and the reset force of the elastic member 25 makes the stopper 26 have a tendency of moving in a direction away from the pad rotation block 21 in the Z direction, so as to prevent the stopper 26 of the pad 11 from being separated from the pad slider 31.

More specifically, as shown in fig. 4, the stopper 26 is a stopper nut that is screwed to the rotary shaft 22 to be fixed, and the assembly between the rotary shaft 22 and the pad slider 31 is facilitated due to the detachability of the stopper nut. In the Z direction, the rotation shaft 22 may be sequentially sleeved with a limit nut, a first gasket 27, a spring, a second gasket 28 and a sleeve 312, two ends of the spring respectively support against the first gasket 27 and the second gasket 28, the second gasket 28 supports against the sleeve 312, and the sleeve 312 supports against a connecting hole 313 on a step surface perpendicular to the Z direction. Among them, the sleeve 312 may reduce friction damage between the rotation shaft 22 and the connection hole 313 in the circumferential direction.

When the pad rotating block 21 is rotated, in order to make the rotation smoother, the limit screw 29 is usually loosened a little, at this time, in the orientation shown in fig. 4, the pad rotating block 21 and its lower part move downward under the action of gravity, because the bottom end of the spring abuts against the sleeve 312, the bottom end position of the spring does not change, the spring is compressed and deformed, the top end of the spring supports the first gasket 27 and the limit nut upward, thereby providing upward supporting force to the rotating shaft 22 fixed to the limit nut to balance the gravity, and the rotating shaft 22 will not drop out of the connecting hole 313 completely downward.

In which, more specifically, as shown in fig. 4, the head end plate 210 of the rotary shaft 22 is screwed into the mounting groove on the pad rotary block 21 for easy mounting.

Further, a rotary connecting block 211 is fixed on the pad rotating block 21, and an angle adjusting knob assembly is connected on the pad sliding block 31 and rotates to push the pad rotating block 21 to rotate around the rotating shaft 22. The rotation of the pad 11 is realized by rotating the angle adjusting knob assembly, and the operation is convenient.

Optionally, as shown in fig. 7 and 8, the angle adjustment knob assembly includes an elastic pin 212 and an angle adjustment knob 23 respectively connected to the two mounting seats 39 on the pad slider 31, the elastic pin 212 and the angle adjustment knob 23 are respectively disposed on two sides of the rotation connecting block 211, the angle adjustment knob 23 can be specifically screwed to the mounting seats 39, the elastic action of the elastic pin 212 can enable the rotation connecting block 211 to abut against the angle adjustment knob 23, so that the rotation of the angle adjustment knob 23 can push the rotation connecting block 211 to move, and further drive the pad rotating block 21 to rotate.

Further, the pad 11 is detachably fixedly attached to the pad rotating block 21. Because the pad 11 needs to be replaced after the service life is reached, the pad 11 can be detachably connected to the pad rotating block 21, and the sustainable use of the angle positioning component and the position positioning component can be realized.

Wherein, optionally, the pad 11 is fixed on the pad positioning plate 12, the pad positioning plate 12 and the pad rotating block 21 are detachably connected through a locking mechanism 13, as shown in fig. 10 and 11, and the locking mechanism 13 is preferably a snap to realize quick release. Of course, the locking mechanism 13 may also be a screw or the like.

In addition, in order to facilitate the mounting of the pad positioning plate 12 and the pad rotating block 21, a slider guide assembly may be disposed between the pad positioning plate 12 and the pad rotating block 21 for mounting and guiding. As shown in fig. 9, the second dovetail groove 24 extending along the Y direction is provided on the pad rotating block 21, and correspondingly, the second dovetail slider 14 adapted to the second dovetail groove 24 for Y-directional guiding is fixed on the pad positioning plate 12, and the second dovetail groove 24 is contracted in the Z direction toward the port direction thereof to prevent the pad positioning plate 12 from being separated from the pad rotating block 21 along the Z direction, thereby having a Z-directional limiting function.

Preferably, since the mounting position of the pad 11 does not need to be adjusted along the Y direction relative to the pad rotating block 21, the second dovetail groove 24 may be only closed at the other end of the opening at the one end in the Y direction, the pad positioning plate 12 moves to the position after entering from the Y direction opening of the second dovetail groove 24 and abutting against the closed end, and then the pad positioning plate 12 and the pad rotating block 21 are locked by the locking mechanism 13, so that the replacement is convenient, and the position of the pad 11 after replacement is not changed.

In addition to above-mentioned bat printing head mechanism, the utility model also provides a bat printing equipment, this bat printing equipment include bat printing head mechanism and bat printing frame 41, and wherein, the bat printing head mechanism specifically can be the bat printing head mechanism that provides in above arbitrary embodiment, and each embodiment above beneficial effect can be correspondingly referred to.

The pad printing head mechanism is connected to the pad printing frame 41 through a pad printing head driving member. The pad driving member includes an X-direction driving member for driving the pad 11 to move in the X direction and a Z-direction driving member for driving the pad 11 to move in the Z direction. The position positioning assembly is used for adjusting the mounting position of the pad 11 in the Y direction, so that the precise movement of the pad 11 in the X direction and the Z direction can be realized, the precise adjustment in the Y direction and the precise rotation in the Z axis can be realized, the pad 11 can be precisely aligned with the pattern on the engraving plate, and the pad printing effect is improved.

More specifically, as shown in fig. 1 and 2, the connection end of the X-direction motor 53 is fixed to the pad printing frame 41, the output end is connected to the X-direction sliding plate 52 through the X-direction lead screw 56 and the X-direction lead screw connection block 57, the X-direction motor 53 rotates and drives the X-direction sliding plate 52 to move linearly in the X-direction through the X-direction lead screw 56, and the X-direction sliding plate 52 is slidably connected to the X-direction line slot 51 for performing the X-direction on the pad printing frame 41. The connecting end of the Z-direction motor 63 is fixed on the X-direction sliding plate 52, the output end of the Z-direction motor 63 is connected with the Z-direction sliding plate through a Z-direction screw rod 65 and a Z-direction screw rod connecting block, the Z-direction motor 63 rotates and drives the Z-direction sliding plate to move linearly along the Z direction through the Z-direction screw rod 65, and the Z-direction sliding plate is fixedly connected with the moving head bottom plate. The Z-direction slide plate is slidably connected to a Z-direction slot 64 for Z-direction guiding, and the Z-direction slot 64 is fixed to the X-direction slide plate 52. Still alternatively, the motor and the lead screw connected thereto to achieve the linear driving may be replaced with a linear motor as a driving member for the linear driving.

Further, a stopper 43 is fixedly provided on the pad carriage 41 to limit the moving range of the pad 11 in the X direction, and prevent the pad 11 from falling off the pad carriage 41. As shown in fig. 2, two stoppers 43 may be provided at both ends of the X-direction wire groove 51, respectively.

Furthermore, the pad printing frame 41 is provided with a safety grating 42 for detecting whether a person or an object enters the set working range of the pad printing head 11, and the safety grating 42 is electrically connected with the controller to improve the safety of the use of the equipment.

Specifically, as shown in fig. 1, two pillars of the pad printing frame 41 sequentially arranged along the X direction are provided with a safety grating 42 in cooperation, and a guard gate may be arranged between the other pillars. The security grating 42 has a detection signal transmitted along the X direction, and when a person or an object blocks the detection signal of the security grating 42, it indicates that the person or the object approaches the pad 11 through the security grating 42. The safety grating 42 sends a control signal to the controller, which may generate alarm information based on the control signal or control the equipment to shut down to protect the operator.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above that the utility model provides a bat printing equipment and bat printing head mechanism have introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (10)

1. The utility model provides a bat printing head mechanism, its characterized in that, including bat printing head (11), be used for connecting bat printing head bottom plate (32) of bat printing head driving piece and connect in bat printing head (11) with positioning mechanism between bat printing head bottom plate (32), positioning mechanism includes position locating component and angle locating component, position locating component is used for adjusting bat printing head (11) is at the ascending mounted position of perpendicular to Z, angle locating component is used for adjusting bat printing head (11) is around Z to installation angle.

2. A pad head mechanism according to claim 1, wherein the position locating assembly comprises a pad head slide block (31) slidably connected to the pad head base plate (32) and a Y-drive connected between the pad head slide block (31) and the pad head base plate (32); the Y-direction transmission part is used for driving the pad (11) to linearly slide along the Y direction relative to the pad bottom plate (32), and the Y direction is vertical to the Z direction.

3. The pad head mechanism according to claim 2, wherein the pad head base plate (32) is provided with a first dovetail groove (310) extending along the Y direction, the first dovetail groove (310) is tapered toward a port thereof in the Z direction, and the pad head sliding block (31) is fixed with a first dovetail sliding block (311) adapted to the first dovetail groove (310) to perform the Y direction guide.

4. A pad head mechanism according to claim 2 or 3, wherein the angular positioning assembly comprises a pad head rotary block (21) and a rotary shaft (22) fixed to the pad head rotary block (21), the pad head (11) is fixed to the pad head rotary block (21), the rotary shaft (22) is rotatably connected to the pad head slide block (31) and a rotation center of the rotary shaft (22) extends in the Z direction.

5. The pad printing head mechanism according to claim 4, wherein a circular arc-shaped limiting hole (38) penetrates through the pad printing head sliding block (31) along the Z direction, the extending track of the limiting hole (38) is a circular arc edge taking the rotation center of the rotating shaft (22) as a center of circle, a limiting screw (29) is arranged in the limiting hole (38), the limiting screw (29) is fixedly connected with the pad printing head rotating block (21), and the head of the limiting screw (29) is matched with the pad printing head rotating block (21) to clamp the pad printing head sliding block (31) along the Z direction.

6. The pad printing head mechanism according to claim 5, wherein the rotating shaft (22) is rotatably inserted into a connecting hole (313) of the pad printing head sliding block (31), a limiting block (26) is fixed at one end of the rotating shaft (22) extending into the connecting hole (313) in the Z direction, an elastic member (25) is arranged between the limiting block (26) and the pad printing head sliding block (31), and the resetting force of the elastic member (25) enables the limiting block (26) to have a tendency of moving in a direction away from the pad printing head rotating block (21) in the Z direction.

7. The pad head mechanism according to claim 5, wherein a rotary connection block (211) is fixed to the pad head rotary block (21), and an angle adjustment knob assembly is connected to the pad head slide block (31), and is rotated to push the pad head rotary block (21) to rotate around a rotation center of the rotary shaft (22).

8. A pad printing head mechanism according to claim 4, characterized in that the pad printing head (11) is detachably fixedly connected to the pad printing head rotary block (21).

9. A pad printing apparatus comprising a pad printing frame (41) and a pad printing head mechanism according to any one of claims 1 to 8, said pad printing head mechanism being connected to said pad printing frame (41) by a pad printing head driving member, said pad printing head driving member comprising an X-direction driving member for driving the X-direction movement of said pad printing head (11) and a Z-direction driving member for driving said pad printing head (11) to move in said Z-direction; the position positioning component is used for adjusting the mounting position of the pad (11) in the Y direction; and the X direction, the Y direction and the Z direction are vertical pairwise.

10. The pad printing device according to claim 9, wherein the pad printing frame (41) is provided with a safety light barrier (42) for detecting whether a person or an object enters the set working range of the pad printing head (11), and the safety light barrier (42) is electrically connected with a controller.

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