CN214313144U - Intrinsic pressure device - Google Patents

Abstract

The embodiment of the utility model discloses this pressure equipment device. This pressure equipment is put includes: the base station is used for bearing the piece to be bound; the device comprises at least one pressure head, at least one motion module and a controller, wherein the motion modules are connected with the pressure heads in a one-to-one correspondence manner, each motion module is connected with the controller, and the motion modules are used for driving the corresponding pressure heads to move under the control of the controller; the distance measuring modules are arranged in one-to-one correspondence with the pressure heads, connected with the controller and used for measuring the distance between the corresponding pressure heads and the base station along the vertical direction; wherein, the vertical direction is perpendicular to the plane of the base station. The embodiment of the utility model provides an originally, press device can improve binding quality and efficiency of display panel and chip.

Description

Intrinsic pressure device

Technical Field

The embodiment of the utility model provides a relate to and show technical field, especially relate to an originally press device.

Background

After the display panel is manufactured, the chip needs to be bound to the display panel. The chip binding process is generally as follows: the display panel and the chip are aligned and pre-pressed, then the display panel and the chip are lapped on a base platform of the local pressing device, and a pressing head is pressed on the driving chip to apply pressure required in the local pressing process.

In which the ram is generally lowered to an initial position, i.e., a position where the ram is just in contact with the base, before the ram is pressed against the drive chip. At present, the specific way for an operator to move the indenter to the initial position is to measure the distance between the indenter and the base by a manual plug gauge and adjust the indenter position according to the distance. However, the manual plug gauge measurement has the problems of large error among people, large measurement difficulty, long measurement time consumption and the like, so that the binding quality of the display panel and the chip can be influenced, and the binding efficiency of the display panel and the chip is low.

SUMMERY OF THE UTILITY MODEL

The utility model provides an this pressure equipment is put can improve binding quality and efficiency of display panel and chip.

In a first aspect, the embodiment of the present invention provides an originally pressing device, this originally pressing device includes:

the base station is used for bearing the piece to be bound;

the device comprises at least one pressure head, at least one motion module and a controller, wherein the motion modules are connected with the pressure heads in a one-to-one correspondence manner, each motion module is connected with the controller, and the motion modules are used for driving the corresponding pressure heads to move under the control of the controller;

the distance measuring modules are arranged in one-to-one correspondence with the pressure heads, connected with the controller and used for measuring the distance between the corresponding pressure heads and the base station along the vertical direction; wherein, the vertical direction is perpendicular to the plane of the base station.

Optionally, the ranging module includes: the infrared emitters are arranged on the corresponding pressure heads and connected with the controller, and the infrared emitters are used for emitting infrared rays;

and the infrared receiver is arranged on the base station and connected with the controller, and the infrared receiver is used for receiving the infrared rays emitted by the infrared emitter in the same distance measuring module.

Optionally, the infrared receiver is attached to the base station by means of magnetic adsorption.

Optionally, at least one groove is formed in the base platform, and the grooves correspond to the pressing heads one to one;

a first sliding block and a first sliding rail are arranged in the groove, and the first sliding block is connected with the first sliding rail in a sliding manner; the infrared receiver is fixed on the first sliding block and moves along the first sliding rail along with the first sliding block;

the extending direction of the first slide rail is parallel to the plane of the base station.

Optionally, the first slide rail includes a first rail and a second rail arranged along the vertical direction, and the first rail and the second rail are fixed on the side wall of the groove through a connecting bolt.

Optionally, the infrared receiver is embedded in the groove.

Optionally, the present pressing device further comprises: the printing opacity base plate, the printing opacity base plate can dismantle set up in the base station orientation one side of pressure head.

Optionally, the distance measuring module includes a laser distance measuring sensor, and the laser distance measuring sensor is disposed on the pressure head and electrically connected to the controller.

Optionally, the motion module comprises a motor mechanically coupled to the corresponding ram and electrically coupled to the controller.

Optionally, the motion module further includes a second slider and a second slide rail extending along the vertical direction, and the second slider is slidably connected to the second slide rail; the pressure head is fixed on the second sliding block and moves along the second sliding rail along with the second sliding block.

The embodiment of the utility model provides a this pressure equipment is put measures the pressure head and the distance of base station along vertical direction through setting up ranging module, can make the controller move to initial position according to the position of this distance adjustment pressure head so that the pressure head. Therefore, the measuring difficulty of the distance between the pressure head and the base station in the vertical direction can be reduced, the consumed time is reduced, the measuring precision can be improved, and the binding quality and the binding efficiency of the display panel and the chip can be improved.

Drawings

Fig. 1 is a schematic structural diagram of an instant pressing device provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another original-pressure device provided in an embodiment of the present invention;

fig. 3 is a schematic structural diagram of another current pressing device provided in the embodiment of the present invention;

fig. 4 is a schematic structural diagram of another present pressure device provided in the embodiment of the present invention;

fig. 5 is a schematic view of a base in the press device shown in fig. 4;

fig. 6 is a schematic structural diagram of a first sliding block and a first sliding rail according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an instant pressing device provided in an embodiment of the present invention;

fig. 8 is a schematic structural diagram of another instant pressing device provided in the embodiment of the present invention;

wherein, the embodiment of the utility model provides an in, the reference numeral and the characteristic name that corresponds:

10-abutment, 11-groove;

20-pressure head;

30-motion module, 31-motor, 32-second slide rail, 33-second slide block;

40-a controller;

50-a distance measuring module, 51-an infrared transmitter, 52-an infrared receiver and 53-a laser distance measuring sensor;

61-a first magnetic adsorption part, 62-a second magnetic adsorption part, 63-a third magnetic adsorption part, and 64-a fourth magnetic adsorption part;

71-first sliding rail, 711-first rail, 712-second rail, 72-first sliding block, 73-through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In view of the problems mentioned in the background, an embodiment of the present invention provides an instant pressing device. This pressure equipment is put includes: the base station is used for bearing the piece to be bound; the device comprises at least one pressure head, at least one motion module and a controller, wherein the motion modules are connected with the pressure heads in a one-to-one correspondence manner, each motion module is connected with the controller, and the motion modules are used for driving the corresponding pressure heads to move under the control of the controller; the distance measuring modules are arranged in one-to-one correspondence with the pressure heads, connected with the controller and used for measuring the distance between the corresponding pressure heads and the base station along the vertical direction; wherein, the vertical direction is perpendicular to the plane of the base station. Technical scheme more than adopting, measure the pressure head and the distance of base station along vertical direction through setting up the range finding module, can make the controller move to initial position according to the position of this distance adjustment pressure head. Therefore, the measuring difficulty and time consumption of the distance between the pressure head and the base platform in the vertical direction can be reduced, the measuring precision can be improved, and the binding quality and efficiency of the display panel and the chip can be improved.

The above is the core idea of the present application, and the technical solution in the embodiments of the present invention will be clearly and completely described below 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, under the premise that creative work is not done by ordinary skilled in the art, all other embodiments obtained all belong to the protection scope of the present invention.

Fig. 1 is a schematic structural diagram of the pressure generating device provided in the embodiment of the present invention, and referring to fig. 1, the pressure generating device includes: the base station 10 is used for bearing an element to be bound; the device comprises at least one pressure head 20, at least one motion module 30 and a controller 40, wherein the motion modules 30 are correspondingly connected with the pressure heads 20 one by one, each motion module 30 is connected with the controller 40, and the motion modules 30 are used for driving the corresponding pressure heads 20 to move under the control of the controller 40; the distance measuring modules 50 are arranged corresponding to the pressing heads 20 one by one, each distance measuring module 50 is connected with the controller 40, and each distance measuring module 50 is used for measuring the distance between the corresponding pressing head 20 and the corresponding base station 10 along the vertical direction; wherein, the vertical direction is perpendicular to the plane of the base 10.

Specifically, the specific structure of the to-be-bound piece can be set by a person skilled in the art according to the actual situation, and is not limited herein. For example, the to-be-bonded member may include the display panel and the chip after pre-pressing, and in the present pressing process, one end of the display panel pre-pressed with the chip may be lapped on the base 10. For convenience of explanation, the display panel and the chip after being pre-pressed are taken as the bonding members to be described as an example.

Specifically, the present apparatus is only exemplarily shown in fig. 1 to include two pressing heads 20 and two moving modules 30, but is not limited thereto, and a person skilled in the art may set the number of the pressing heads 20 and the moving modules 30 according to actual circumstances. It can be understood that, when a plurality of chips need to be bound on one display panel, if the present pressing apparatus includes a plurality of pressing heads 20, the present pressing of the plurality of chips can be completed at one time, which reduces the overall time consumption for completing the binding of the plurality of chips on one display panel, and is beneficial to improving the productivity.

Specifically, the moving module 30 can drive the pressing head 20 to move in a vertical direction, and in addition, the moving module 30 can drive the pressing head 20 to move in a plane (referred to as a horizontal plane) parallel to the base 10, which is not limited herein. Specifically, the specific implementation of the motion module 30 may be set by a person skilled in the art according to actual situations, and is not limited herein, and will be described with reference to a typical example hereinafter, which is not described herein again.

Specifically, the distance measuring module 50 is used for measuring the distance between the pressing head 20 and the base platform 10 along the vertical direction, and includes the distance measuring module 50 directly measuring the distance between the pressing head 20 and the base platform 10 along the vertical direction, the distance measuring module 50 can measure an intermediate distance, the controller 40 can know the distance between the pressing head 20 and the base platform 10 along the vertical direction according to the intermediate distance, the distance measuring module 50 can output a distance measuring signal, and the controller 40 can determine the distance between the pressing head 20 and the base platform 10 along the vertical direction according to the distance measuring signal. Specifically, those skilled in the art can set the specific implementation of the ranging module 50 according to practical situations, which is not limited herein, and the following description will be given with reference to a typical example, which is not repeated herein.

Specifically, the specific embodiment of the controller 40 can be set by those skilled in the art according to practical situations, and is not limited herein. Illustratively, the controller 40 may include a programmable logic controller 40, a single chip, a field programmable gate array, or the like.

It can be understood that, compared with the manual plug gauge for measuring the distance between the indenter 20 and the base 10 along the vertical direction, the distance measuring module 50 for measuring the distance between the indenter 20 and the base 10 along the vertical direction has high measurement accuracy, short time consumption of single measurement, and low measurement difficulty. Therefore, the pressing head 20 can be quickly moved to the initial position, which is beneficial to reducing the whole time consumption of the pressing process; and the pressing head 20 can be accurately moved to the initial position, so that the subsequent pressing head 20 can provide pressure within a required range for the chip, the problem that the chip is indented due to overlarge pressure can be avoided, the problem that the chip is bound due to undersize pressure can be avoided, and the binding quality of the chip and the display panel can be improved.

The embodiment of the utility model provides an originally press device measures the distance of pressure head 20 and base station 10 along vertical direction through setting up ranging module 50, can make controller 40 move to initial position according to this distance adjustment pressure head 20's position so that pressure head 20. Therefore, the difficulty and time consumption of measuring the distance between the pressing head 20 and the base station 10 along the vertical direction can be reduced, the measurement precision can be improved, and the bonding quality and efficiency of the display panel and the chip can be improved.

Specifically, the following description is made of a typical example of the ranging module 50, but the present application is not limited thereto.

First, the ranging module 50 includes an infrared ranging device.

Fig. 2 is a schematic structural diagram of another apparatus for originally pressing provided by an embodiment of the present invention, fig. 3 is a schematic structural diagram of another apparatus for originally pressing provided by an embodiment of the present invention, fig. 4 is a schematic structural diagram of another apparatus for originally pressing provided by an embodiment of the present invention, referring to fig. 2-4, optionally, the distance measuring module 50 includes an infrared emitter 51, which is disposed on the corresponding pressure head 20 and connected with the controller 40, and the infrared emitter 51 is used for emitting infrared rays; and an infrared receiver 52 disposed on the base station 10 and connected to the controller 40, wherein the infrared receiver 52 is used for receiving the infrared rays emitted by the infrared emitters 51 belonging to the same ranging module 50.

Specifically, the infrared transmitter 51 is used to transmit an infrared signal under the control of the controller 40. The arrangement of the infrared emitter 51 on the indenter 20 and the arrangement position on the indenter 20 can be set by those skilled in the art according to the actual situation, and is not limited herein. Illustratively, infrared emitter 51 is secured to the side of indenter 20.

Specifically, the infrared receiver 52 is for receiving infrared rays. In this manner, the controller 40 can determine the distance between the infrared emitting surface of the infrared emitter 51 and the infrared receiving surface of the infrared receiver 52 based on the time difference between the emission of infrared rays by the infrared emitter 51 and the reception of infrared rays by the infrared receiver 52, and since the infrared emitter 51 is provided on the indenter 20 and the infrared receiver 52 is provided on the base 10, the controller 40 can also determine the distance between the indenter 20 and the base 10 in the vertical direction based on the positional relationship between the infrared emitting surface of the infrared emitter 51 and the lower surface of the indenter 20 (the surface of the indenter 20 that is pressed against the chip) and the positional relationship between the infrared receiving surface of the infrared receiver 52 and the upper surface of the base 10 (the surface of the base 10 that faces the indenter 20 side). Alternatively, the infrared emitting surface of the infrared emitter 51 is parallel to the lower surface of the indenter 20, and the infrared receiving surface of the infrared receiver 52 is parallel to the upper surface of the base 10, so that the controller 40 can easily determine the distance between the indenter 20 and the base 10 in the vertical direction.

Specifically, the infrared receiver 52 may be disposed on the base station 10 by those skilled in the art according to the actual situation, and is not limited herein. The following describes a typical example.

With continued reference to fig. 2 and 3, the infrared receiver 52 is optionally attached to the base station 10 by magnetic attraction. As shown in fig. 2, optionally, each distance measuring module 50 may correspond to a magnetic adsorption group, the magnetic adsorption group includes a first magnetic adsorption member 61 and a second magnetic adsorption member 62, the first magnetic adsorption member 61 may be fixedly disposed at the bottom of the infrared receiver 52, and the second magnetic adsorption member 62 is disposed at a side of the base 10 away from the pressing head 20, so that the infrared receiver 52 is adsorbed on the base 10 by the magnetic adsorption force between the first magnetic adsorption member 61 and the second magnetic adsorption member 62. As shown in fig. 3, alternatively, each distance measuring module 50 may correspond to a third magnetic absorption member 63, the third magnetic absorption member 63 may be fixedly disposed at the bottom of the infrared receiver 52, the base 10 may be made of a magnetic absorption material or a fourth magnetic absorption member 64 (as shown in fig. 3) may be embedded inside the base 10, so that the infrared receiver 52 is absorbed on the base 10 by the magnetic absorption force between the third magnetic absorption member 63 and the base 10. It should be noted that the materials of the first magnetic absorption member 61, the second magnetic absorption member 62, the third magnetic absorption member 63 and the fourth magnetic absorption member 64 may be set by those skilled in the art according to practical situations, and are not limited herein, and may include a magnet by way of example. In addition, the size and the specific arrangement position of the fourth magnetic absorption member 64 in the base 10 can be set by those skilled in the art according to the actual situation, and are not limited herein. Illustratively, an orthographic projection of the fourth magnetic absorption member 64 on the horizontal plane coincides with an orthographic projection of the base 10 on the horizontal plane.

It can be understood that the infrared receiver 52 is attached to the base station 10 by means of magnetic attraction, so that the operator can flexibly adjust the attaching position of the infrared receiver 52, and the operation is simple.

Fig. 5 is a schematic structural diagram of a base platform in the press apparatus shown in fig. 4, and fig. 6 is a schematic structural diagram of a first slider and a first slide rail provided in an embodiment of the present invention, referring to fig. 4-6, optionally, at least one groove 11 is provided on the base platform 10, and the grooves 11 correspond to the press heads 20 one to one; a first sliding block 72 and a first sliding rail 71 are arranged in the groove 11, and the first sliding block 72 is connected with the first sliding rail 71 in a sliding manner; the infrared receiver 52 is fixed on the first slide block 72 and moves along the first slide rail 71 along with the first slide block 72; the extending direction of the first slide rail 71 is parallel to the plane of the base 10.

Specifically, the sectional shape of the groove 11 along the vertical direction, the extending direction of the groove 11, and the depth of the groove 11 penetrating the base 10 can be set by those skilled in the art according to practical situations, and are not limited herein. Illustratively, as shown in fig. 5, the base includes a borderline extending along the X direction and a borderline extending along the Y direction, the groove 11 extends along the X direction, a cross-sectional shape of the groove 11 along the vertical direction is rectangular, and the groove 11 partially penetrates through the base 10.

Specifically, the extending direction of the first sliding rail 71, the specific implementation manner, and the person skilled in the art can be set according to the actual situation, and optionally, as shown in fig. 6, the extending direction of the first sliding rail 71 is the same as the extending direction of the groove 11. Alternatively, the first sliding rail 71 includes a first rail 711 and a second rail 712 arranged in a vertical direction, and the first rail 711 and the second rail 712 are fixed to the side walls of the groove by a connection bolt. For example, the first rail 711 and the second rail 712 may be provided with a through hole 73, and a side wall of the groove 11 may be provided with a screw hole (not shown in fig. 5), and the first rail 711 and the second rail 712 may be fixed to the side wall of the groove 11 by using a screw. Here, in order to clearly show the fixing positions of the first rail 711 and the second rail 712, the side walls of the groove for fixing the first rail 711 and the second rail 712 are filled with oblique lines. It can be understood that, by providing the first slide rail 71 including the first rail 711 and the second rail 712, the structure of the first slide rail 71 can be simplified and the assembly process can be simplified.

Specifically, the infrared receiver 52 may be embedded in the groove 11, or may be at least partially exposed outside the groove 11. Preferably, the infrared receiver 52 is embedded in the groove 11, that is, the infrared receiver 52 is entirely received in the groove 11, so that the support of the abutment 10 to be bound is not affected by the infrared receiver 52, that is, there is no phenomenon that the part to be bound is partially overlapped on the infrared receiver 52.

It can be understood that, by arranging the infrared receiver 52 to be capable of sliding along the first slide rail 71, an operator can flexibly adjust the position of the infrared receiver 52, and when the position of the pressure head 20 corresponding to the infrared receiver 52 in the horizontal plane changes, the position of the infrared receiver 52 can also be changed accordingly, so as to ensure that the infrared receiver 52 can receive the infrared rays emitted by the infrared emitter 51.

Optionally, the present pressing device further comprises: the transparent substrate is detachably arranged on one side of the base platform 10 facing the pressure head 20.

Specifically, the material of the transparent substrate may be set by those skilled in the art according to practical situations, and is not limited herein. For example, a glass substrate or the like may be used as the light-transmitting substrate. Specifically, when the position of the infrared receiver 52 needs to be adjusted, the transparent substrate may be removed first, and the transparent substrate may be mounted again after the position of the infrared receiver 52 is adjusted.

It can be understood that, by providing a transparent substrate on the side of the base station 10 facing the indenter 20, the infrared ray can penetrate through the transparent substrate and then be received by the infrared receiver 52, and the to-be-bound piece can be lapped on the transparent substrate, so as to avoid the influence of the groove 11 on the base station 10 on the support of the to-be-bound piece, and provide a stable support for the to-be-bound piece.

Second, the ranging module 50 includes a laser ranging device.

Fig. 7 is a schematic structural diagram of the present pressing device provided in the embodiment of the present invention, referring to fig. 7, optionally, the distance measuring module 50 includes a laser distance measuring sensor 53, and the laser distance measuring sensor 53 is disposed on the pressure head 20 and electrically connected to the controller 40.

Specifically, the laser distance measuring sensor 53 is disposed on the indenter 20 and disposed on the indenter 20, and those skilled in the art can set the laser distance measuring sensor according to the actual situation, and the setting is not limited herein. Illustratively, a laser range sensor 53 is secured to the side of the indenter 20.

Specifically, the laser emitted from the laser range sensor 53 is reflected after striking the upper surface of the base 10, the reflected light is reflected to the laser range sensor 53, and the laser range sensor 53 can determine the distance between the laser emitting surface of the laser range sensor 53 and the upper surface of the base 10 according to the reflected light, so that the controller 40 can determine the distance between the indenter 20 and the base 10 in the vertical direction according to the relative positional relationship between the laser emitting surface of the laser range sensor 53 and the lower surface of the indenter 20.

It can be understood that, by using the laser distance measuring sensor 53 as the distance measuring module 50, only the laser distance measuring sensor 53 needs to be installed on the pressing head 20, and the base station 10 does not need to be modified, and the workload is small when the present pressing device in the prior art is modified and upgraded.

In particular, the following description is made with respect to a typical example of the motion module 30, but does not constitute a limitation of the present application.

Fig. 8 is a schematic structural diagram of another pressing device provided in an embodiment of the present invention, referring to fig. 8, optionally, the motion module 30 includes a motor 31, and the motor 31 is mechanically connected to the corresponding pressing head 20 and electrically connected to the controller 40.

It is understood that the movement module 30 can be constructed simply and at low cost by providing the movement module 30 to include the motor 31.

With continued reference to fig. 8, optionally, the motion module 30 further includes a second slider 33 and a second slide rail 32 extending in the vertical direction, the second slider 33 and the second slide rail 32 being slidably connected; the ram 20 is fixed to the second slider 33 and moves along the second slide rail 32 with the second slider 33.

Specifically, the specific embodiments of the second sliding block 33 and the second sliding rail 32 can be set by those skilled in the art according to practical situations, and are not limited herein. It can be understood that, still include second slider 33 and second slide rail 32 through setting up motion module 30, can tie the direction of motion of pressure head 20 on vertical direction, avoid pressure head 20 to have the ascending skew of other directions when vertical direction motion, so, can realize the accurate counterpoint of pressure head 20 and chip, be favorable to improving the quality of binding of chip and display panel.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious modifications, rearrangements, combinations and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims (10)

1. An instant pressure device, comprising:

the base station is used for bearing the piece to be bound;

the device comprises at least one pressure head, at least one motion module and a controller, wherein the motion modules are connected with the pressure heads in a one-to-one correspondence manner, each motion module is connected with the controller, and the motion modules are used for driving the corresponding pressure heads to move under the control of the controller;

the distance measuring modules are arranged in one-to-one correspondence with the pressure heads, connected with the controller and used for measuring the distance between the corresponding pressure heads and the base station along the vertical direction; wherein, the vertical direction is perpendicular to the plane of the base station.

2. The apparatus of claim 1, wherein the ranging module comprises:

the infrared emitters are arranged on the corresponding pressure heads and connected with the controller, and the infrared emitters are used for emitting infrared rays;

and the infrared receiver is arranged on the base station and connected with the controller, and the infrared receiver is used for receiving the infrared rays emitted by the infrared emitter in the same distance measuring module.

3. The apparatus according to claim 2,

the infrared receiver is adsorbed on the base station in a magnetic adsorption mode.

4. The apparatus according to claim 2,

the base station is provided with at least one groove, and the grooves correspond to the pressure heads one to one;

a first sliding block and a first sliding rail are arranged in the groove, and the first sliding block is connected with the first sliding rail in a sliding manner; the infrared receiver is fixed on the first sliding block and moves along the first sliding rail along with the first sliding block;

the extending direction of the first slide rail is parallel to the plane of the base station.

5. The apparatus according to claim 4,

the first sliding rail comprises a first rail and a second rail which are arranged in the vertical direction, and the first rail and the second rail are fixed on the side wall of the groove through connecting bolts.

6. The apparatus according to claim 4,

the infrared receiver is embedded in the groove.

7. The under-pressure device of claim 6, further comprising:

the printing opacity base plate, the printing opacity base plate can dismantle set up in the base station orientation one side of pressure head.

8. The apparatus according to claim 1,

the distance measuring module comprises a laser distance measuring sensor, and the laser distance measuring sensor is arranged on the pressure head and is electrically connected with the controller.

9. The apparatus according to claim 1,

the motion module comprises a motor, and the motor is mechanically connected with the corresponding pressure head and electrically connected with the controller.

10. The apparatus according to claim 9,

the motion module further comprises a second sliding block and a second sliding rail extending along the vertical direction, and the second sliding block is connected with the second sliding rail in a sliding manner; the pressure head is fixed on the second sliding block and moves along the second sliding rail along with the second sliding block.

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