CN218100002U - Servo driver integrated with PLC and servo driving system - Google Patents

Abstract

The utility model discloses an integration has PLC's servo driver and servo drive system, this integration has PLC's servo driver including installation shell, drive plate and PLC board. An accommodating cavity is formed in the mounting shell; the driving plate is arranged in the accommodating cavity; the PLC board is located the holding intracavity to with drive plate electric connection in, just the PLC board with the drive plate is relative setting. The technical scheme of the utility model can improve the convenience of servo driver installation.

Description

Servo driver integrated with PLC and servo driving system

Technical Field

The utility model relates to a servo drive technical field, in particular to servo drive system that integrated servo driver that has PLC and applied this integration servo driver that has PLC.

Background

Currently, a servo drive system generally includes a PLC controller (programmable logic controller), a servo driver, and a servo motor. The PLC controller can input a control instruction to the servo driver, and then the servo driver controls the servo motor to execute corresponding actions according to the control instruction, so that the motion control function is completed. However, the servo driver and the PLC controller in the related art are both independently installed, that is, the servo driver needs an external connection body to connect with the PLC controller. And when servo driver and PLC controller all installed on automation equipment, the external connection body receives the influence of other spare parts on automation equipment easily, leads to wiring comparatively difficultly between servo driver and the PLC controller, and then makes servo driver's installation comparatively difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an it has PLC's servo driver to integrate aims at improving the convenience of servo driver installation.

In order to achieve the above object, the utility model provides an integrated servo driver with PLC includes:

the mounting shell is internally provided with an accommodating cavity;

the driving plate is arranged in the accommodating cavity; and

the PLC board, the PLC board is located the holding intracavity to with drive plate electric connection in, just the PLC board with the drive plate is relative setting.

Optionally, the driving board has a first front surface and a first back surface which are arranged back to back, and the electrical components of the driving board are arranged on the first front surface;

the PLC board has the second that is back to back the setting and openly and the second back, the electrical components of PLC board locates the second openly, just the second openly faces first openly sets up.

Optionally, the drive board and the PLC board are connected by a pin header connector.

Optionally, a connection interface is arranged on the PLC board, and the connection interface is used for electrically connecting with an external servo driver.

Optionally, the mounting housing comprises:

the mounting structure comprises a face shell, a mounting cavity and a mounting base, wherein the mounting cavity is formed in the face shell and is provided with a mounting opening; and

the heat dissipation frame is made of aluminum, the heat dissipation frame covers the mounting opening and is enclosed with the mounting cavity to form the containing cavity, part of the structure of the heat dissipation frame extends into the mounting cavity, and the drive board and the PLC board are respectively installed on two opposite sides of the heat dissipation frame.

Optionally, the face housing and the heat dissipation frame are in snap connection;

and/or the surface shell is provided with a plurality of heat dissipation holes;

and/or the driving plate and the heat dissipation frame are in screw connection;

and/or the PLC board and the heat dissipation frame are in screw connection;

and/or, the heat dissipation frame is provided with a first positioning column, and the first positioning column penetrates through the driving plate;

and/or, the heat dissipation frame is also provided with a second positioning column, and the second positioning column penetrates through the PLC board.

Optionally, the heat dissipation frame comprises:

the sealing cover comprises a first plate body, a second plate body and a third plate body which are sequentially connected, wherein the first plate body and the third plate body are respectively connected to two opposite ends of the second plate body and extend along directions away from each other, the second plate body, the first plate body and the third plate body are arranged at included angles, and the first plate body, the second plate body and the third plate body seal the mounting port;

the mounting part is connected to the joint of the second plate body and the third plate body and extends into the mounting cavity, and the driving plate is connected to the mounting part and the second plate body; and

and the heat dissipation plates are arranged on one side of the second plate body, which deviates from the drive plate.

Optionally, the heat dissipation frame further comprises a connecting plate, the connecting plate is connected to the joint of the first plate body and the second plate body and is arranged opposite to the third plate body, and the connecting plate is provided with a mounting hole.

Optionally, the cover portion, the mounting portion, the plurality of heat dissipation plates, and the connecting plate are integrally disposed;

and/or each heat dissipation plate comprises a plurality of sub-plate bodies and a plurality of reinforcing columns, and every two adjacent sub-plate bodies are connected through one reinforcing column;

and/or the outer surface of the first plate body deviating from the mounting cavity and the surface of the connecting plate deviating from the third plate body are arranged in a coplanar manner with the surface shell;

and/or the surface of one end of the third plate body, which is far away from the second plate body, and the surface of one end of the connecting plate, which is far away from the second plate body, and the surface shell are arranged in a coplanar manner.

The utility model discloses still provide a servo drive system, include as above the integration have PLC's servo driver.

The technical scheme of the utility model the integration has PLC's servo driver through set up the PLC board in the installation shell for this servo driver has had PLC control function simultaneously. In other words, the PLC board in the PLC controller is integrated into the servo driver. At this moment, can directly connect in servo driver's installation shell between the drive plate in this servo driver and the PLC board for servo driver need not to be connected with an extra PLC controller through the external connection line body when installing on automation equipment. Therefore, the situation that wiring between the servo driver and the PLC is difficult due to the fact that the external connecting wire body can be influenced by other parts on the automation equipment is avoided, and convenience in installation of the servo driver is improved. In addition, after the servo driver is installed, the PLC board is also arranged in the installation shell of the servo driver, so that the installation of the PLC controller is completed together, the installation is convenient, and the installation efficiency is improved. Simultaneously, PLC board and drive plate in the servo driver in this scheme are relative setting, so make the comparison compactness that both can distribute, reduce the required size to the holding chamber to be favorable to guaranteeing that servo driver's whole volume is still less when integrated PLC board, avoids the subsequent installation of the too big influence of volume.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed 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 some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the PLC-integrated servo driver of the present invention;

fig. 2 is a schematic view of an explosion structure of the PLC-integrated servo driver of fig. 1;

FIG. 3 is another schematic view of an exploded structure of the PLC integrated servo driver of FIG. 1;

fig. 4 is a schematic view of an assembly structure of the driving board, the PLC board and the heat sink in fig. 3;

fig. 5 is another perspective view schematically illustrating an assembly structure of the driving board, the PLC board and the heat dissipation frame in fig. 3;

fig. 6 is an exploded view of the driving board, the PLC board and the heat dissipation frame of fig. 4;

fig. 7 is a schematic structural view of the heat dissipation frame in fig. 6.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Servo driver integrated with PLC	135	Heat radiation plate
10	Mounting shell	136	Sub-board body
				11	Surface shell	137	Reinforcing column
111	Mounting cavity	138	Connecting plate
				113	Mounting port	138a	Mounting hole
115	Heat dissipation hole	30	Driving board
				13	Heat dissipation frame	31	First front surface
131	First positioning column	311	Power supply module
				132	Second positioning column	33	First back surface
133	Capping portion	50	PLC board
				1331	First plate body	51	Second front surface
1332	Second plate body	53	Second back surface
				1333	Third plate body	55	Connection interface
134	Mounting part

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 3 in combination, the present invention provides a PLC integrated servo driver 100, and in an embodiment of the present invention, the PLC integrated servo driver 100 includes a mounting case 10, a driving plate 30 and a PLC board 50. An accommodating cavity is formed in the mounting shell 10; the driving plate 30 is arranged in the accommodating cavity; the PLC board 50 is arranged in the accommodating cavity and electrically connected with the driving board 30, and the PLC board 50 and the driving board 30 are oppositely arranged.

In this embodiment, the mounting case 10 may serve as a main structure of the servo driver 100 to provide a mounting position for the components of the driving board 30 and the PLC board 50, so as to facilitate the assembly of the components of the servo driver 100 into a whole. The shape of the mounting case 10 can be substantially a rectangular structure or a square structure, so that the shape is regular, and the mounting case is convenient to machine and form. Meanwhile, the driving board 30 and the PCL board are also generally rectangular or square, so that the accommodating cavity which can be conveniently matched with the housing 10 is formed to accommodate the driving board 30 and the PLC board 50. In addition, the mounting case 10 can also protect the drive board 30 and the PLC board 50 from each other, thereby contributing to the improvement of the service life of the drive board 30 and the PLC board 50. Of course, it should be noted that the present application is not limited thereto, and in other embodiments, the mounting housing 10 may also be a cylindrical structure or other shape structure. The PLC board 50 may be configured to send a pulse signal to control the servo driver 100, and the servo driver 100 may be configured to control a servo motor connected thereto to perform a corresponding action according to the pulse signal, thereby completing the control of the motion of the servo motor. Wherein, the specific theory of operation of PLC board 50 can refer to the PLC controller among the prior art, and this application sets up PLC board 50 in servo driver 100, is equivalent to and integrates an outside PLC controller to servo driver 100 internal reaction, and the specific theory of operation of drive plate 30 also can refer to the drive control principle of drive plate 30 to servo motor among the servo driver 100 among the prior art. Further, the connection between the driving board 30 and the PLC board 50 may be made by a pin header connector. The pin header connection has the advantages of being convenient to disassemble and have certain mechanical strength, the drive plate 30 and the PLC plate 50 can be conveniently disassembled and assembled, and meanwhile, the stability of connection between the drive plate and the PLC plate can be guaranteed. Of course, the present invention is not limited thereto, and in other embodiments, the driving board 30 and the PLC board 50 may be directly connected by a cable, and the driving board 30 and the PLC board 50 may be electrically connected.

The utility model discloses a technical scheme's integrated servo driver 100 that has PLC is through setting up PLC board 50 in installation shell 10 for this servo driver 100 has had PLC control function simultaneously. In other words, the PLC board 50 in the PLC controller is integrated into the servo driver 100. In this case, the drive board 30 and the PLC board 50 in the servo driver 100 may be directly connected in the mounting case 10 of the servo driver 100, so that the servo driver 100 does not need to be connected to an additional PLC controller through an external wire when being mounted on the automation equipment. Therefore, the situation that wiring between the servo driver 100 and the PLC is difficult due to the fact that an external connecting wire can be influenced by other parts on the automation equipment is avoided, and convenience in installation of the servo driver 100 is improved. In addition, after the servo driver 100 is installed, since the PLC board 50 is also installed in the installation case 10 of the servo driver 100, it is equivalent to complete the installation of the "PLC controller" together, which facilitates the installation and improves the installation efficiency. Simultaneously, PLC board 50 and drive plate 30 in the servo driver 100 in this scheme are relative setting, so make the comparison compactness that both can distribute, reduce the required size to the holding chamber to be favorable to guaranteeing that servo driver 100's whole volume is still less when integrated PLC board 50, avoid the too big subsequent installation of influence of volume.

Referring to fig. 4 to fig. 6, in an embodiment of the present invention, the driving plate 30 has a first front surface 31 and a first back surface 33 which are oppositely disposed, and the electrical components of the driving plate 30 are disposed on the first front surface 31; the PLC board 50 has a second front surface 51 and a second back surface 53 disposed in a back-to-back arrangement, electrical components of the PLC board 50 are disposed on the second front surface 51, and the second front surface 51 is disposed toward the first front surface 31.

It will be appreciated that the first front surface 31 of the driver board 30 and the second front surface 51 of the PLC board 50 are disposed facing each other, which facilitates the arrangement of pin header connectors or cables on the facing first front surface 31 and second front surface 51, thereby further improving the convenience of electrical connection between the driver board 30 and the PLC board 50. Moreover, since many electrical components are generally disposed on the first front surface 31 of the driving board 30, and the height of one electrical component of the power module 311 is relatively higher than that of the other electrical components, the first front surface 31 of the driving board 30 and the second front surface 51 of the PLC board 50 are disposed opposite to each other, so that the distance from the first front surface 31 to the end of the power module 311 away from the first front surface 31 can be fully utilized, the compactness of the distribution between the driving board 30 and the PLC board 50 can be further improved, and the convenience of the subsequent assembly in the mounting case 10 can be improved. It should be understood that the present application is not limited thereto, and in other embodiments, the first front surface 31 of the driving board 30 and the first front surface 31 of the PLC board 50 may be disposed in a back-to-back manner.

Referring to fig. 1 to 3, in an embodiment of the present invention, the mounting shell 10 includes a surface shell 11 and a heat dissipation frame 13, a mounting cavity 111 is formed in the surface shell 11, and the mounting cavity 111 has a mounting opening 113; the heat dissipation frame 13 is made of aluminum, the heat dissipation frame 13 covers the mounting opening 113 and encloses with the mounting cavity 111 to form a containing cavity, part of the structure of the heat dissipation frame 13 extends into the mounting cavity 111, and the driving board 30 and the PLC board 50 are respectively mounted on two opposite sides of the heat dissipation frame 13.

In this embodiment, the driving board 30 and the PLC board 50 are both mounted on the heat dissipation frame 13, so that the heat generated by the driving board 30 and the PLC board 50 during operation can be dissipated quickly through the heat dissipation frame 13, and the driving board 30 and the PLC board 50 are prevented from being damaged due to overhigh heat. Meanwhile, the heat dissipation frame 13 is made of aluminum, and the aluminum has excellent heat conduction performance, so that the heat dissipation effect of the heat dissipation frame 13 on the driving board 30 and the PLC board 50 can be greatly improved. And through the setting of face casing 11, can play the isolation guard action through this face casing 11 to play the guard action to drive plate 30 and PLC board 50, avoid it to expose outside and receive the damage easily. That is, the mounting case 10 including the face housing 11 and the heat dissipation frame 13 can achieve both the isolation protection effect and the heat dissipation effect, so as to better improve the service life of the servo driver 100. Further, referring to fig. 2, the face housing 11 may be provided with a plurality of heat dissipation holes 115. This can make installation cavity 111 and outside atmosphere have better intercommunication to improve the inside and outside atmospheric heat exchange effect of installation cavity 111, in order to further improve the radiating effect to drive plate 30 and PLC board 50. Further, heat radiation holes 115 may be provided on a plurality of sides of the face housing 11 so that heat radiation is performed from the heat radiation holes 115 on the respective sides. In addition, in order to improve the convenience and efficiency of assembling the servo driver 100, the front case 11 and the heat dissipation frame 13 may be snap-fit connected, the driving board 30 and the heat dissipation frame 13 may be screw-connected, and the PLC board 50 and the heat dissipation frame 13 may also be screw-connected. The buckle connection and the screw connection have the advantages of simplicity and reliability, and the disassembly and assembly process is greatly simplified while the connection stability of each person is ensured. To facilitate screwing screws during the installation process of the driving board 30 and the PLC board 50, please refer to fig. 4 and 6 in combination, the heat dissipation frame 13 may be provided with a first positioning post 131, and the first positioning post 131 penetrates through the driving board 30; the heat dissipation frame 13 may further have a second positioning column 132, and the second positioning column 132 penetrates through the PLC board 50. Like this through the limiting displacement of first reference column 131 and second reference column 132 to drive plate 30 and PLC board 50, can advance line location to drive plate 30 and PLC board 50 to make things convenient for the screw to correspond with the perforation on drive plate 30 and the PLC board 50, and the screw hole on the heat dissipation frame 13, also can avoid drive plate 30 and PLC board 50 to take place to rotate when screwing the screw simultaneously, thereby make drive plate 30 and PLC board 50 can be swift accomplish the equipment. Wherein, when the quantity of first reference column 131 and second reference column 132 is one, first reference column 131 and second reference column 132 can be non-cylinder structure (for example can be square structure, cuboid structure or prismatic structure etc.) to better play prevents that drive plate 30 and PLC board 50 from taking place pivoted effect when the location installation. Of course, the number of the first positioning posts 131 and the second positioning posts 132 may be multiple, so as to prevent the driving board 30 and the PLC board 50 from rotating during positioning and installation. At this time, the first positioning column 131 and the second positioning column 132 may have any shape structure. Of course, for convenience of processing and forming, the first positioning column 131 and the second positioning column 132 may be both cylindrical.

Referring to fig. 4, fig. 6 and fig. 7, in an embodiment of the present invention, the heat dissipation frame 13 includes a cover 133, a mounting portion 134 and a plurality of heat dissipation plates 135. The capping part 133 includes a first plate body 1331, a second plate body 1333 and a third plate body 1335 which are connected in sequence, the first plate body 1331 and the third plate body 1335 are respectively connected to two opposite ends of the second plate body 1333 and respectively extend in the directions away from each other, the second plate body 1333 and the first plate body 1331 and the third plate body 1335 are arranged at an included angle, and the first plate body 1331, the second plate body 1333 and the third plate body 1335 cap the mounting port 113; the mounting portion 134 is connected to a connection portion of the second plate body 1333 and the third plate body 1335 and extends into the mounting cavity 111, and the driving plate 30 is connected to the mounting portion 134 and the second plate body 1333; the plurality of heat dissipation plates 135 are disposed on a side of the second plate 1333 facing away from the driving board 30.

In this embodiment, the first plate 1331, the second plate 1333 and the third plate 1335 of the cover 133 may be substantially Z-shaped, so that when a plurality of heat dissipation plates 135 are disposed outside the second plate 1333, the plurality of heat dissipation plates 135 and the cover 133 may be distributed compactly, thereby reducing the overall volume of the mounting case 10. Meanwhile, the appearance of the mounting shell 10 can be relatively regular, for example, a regular square structure can be formed, so that the appearance of the mounting shell 10 can be more attractive, and the market competitiveness of subsequent products can be improved. In addition, the plurality of heat dissipation plates 135 may correspond to a region of the driving board 30 where heat is likely to be generated (for example, a main operating module such as a CPU is provided in the driving board 30), and thus the driving board 30 can be efficiently dissipated with more pertinence. Among them, the mounting portion 134 may be provided with a first positioning column 131 and a second positioning column 132 to position and mount the driving board 30 and the PLC board 50. In addition, it should be noted that the present invention is not limited thereto, and in other embodiments, the heat dissipation frame 13 may include two plate bodies vertically disposed, in which case, the two plate bodies are substantially "T" shaped, and one of the two plate bodies covers the mounting opening 113, and the other is used for mounting the driving board 30 and the PLC board 50.

Further, referring to fig. 7, the heat sink 13 further includes a connection plate 138, the connection plate 138 is connected to a connection portion of the first plate 1331 and the second plate 1333 and is disposed opposite to the third plate 1335, and the connection plate 138 is provided with a mounting hole 138a.

In this embodiment, the mounting hole 138a is formed through the connecting plate 138, so that an outward mounting position of the servo driver 100 can be provided, and then when the servo driver 100 is mounted on the automation device, a screw can be directly passed through the mounting hole 138a, so that the outward mounting of the servo driver 100 can be rapidly realized. Meanwhile, by such an arrangement, the mounting shell 10 can better present a square structure through the connecting plate 138, so as to improve the aesthetic property of the appearance and improve the subsequent competitiveness of the product. Further, in order to make the appearance of the mounting case 10 more regular, the outer surface of the first plate 1331 facing away from the mounting cavity 111 and the surface of the connecting plate 138 facing away from the third plate 1335 may be disposed coplanar with the face case 11; the surface of the end of the third plate 1335 remote from the second plate 1333 and the surface of the end of the connecting plate 138 remote from the second plate 1333 may also be coplanar with the face housing 11. In addition, the capping portion 133, the mounting portion 134, the plurality of heat dissipation plates 135, and the connection plate 138 may be provided in an integrated structure so as to improve the strength of the connection of the plurality of heat dissipation plates, thereby contributing to an improvement in the lifespan. Meanwhile, the device can be manufactured through integral forming, so that the manufacturing process is simplified and the production efficiency is improved. In addition, each heat dissipation plate 135 includes a plurality of sub-plates 136 and a plurality of reinforcing columns 137, and every two adjacent sub-plates 136 are connected by one reinforcing column 137, so that the strength of each heat dissipation plate 135 can be increased, and the possibility that the heat dissipation plate is easily broken and damaged can be avoided.

In addition, please refer to fig. 2 and fig. 6 in combination, in order to further enhance the function of the PLC integrated servo driver 100 in the present application, a connection interface 55 may be disposed on the PLC board 50, and the connection interface 55 is used for electrically connecting with an external servo driver 100. Thus, the PLC board 50 can control the servo driver 100 itself, and can also be electrically connected to other external servo drivers 100 through the connection interface 55, so as to output a pulse signal to control other external servo drivers 100, thereby implementing control of multiple servo drivers 100. The connection interface 55 and the external servo driver 100 may be connected by a cable or the like.

The utility model discloses still provide a servo drive system, this servo drive system is including the servo driver 100 that the integration has PLC, and this integration has the servo driver 100's that PLC concrete structure refers to above-mentioned embodiment, because this servo drive system has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. The servo driving system further includes a servo motor, and the servo motor is connected to the servo driver 100.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims (10)

1. A PLC integrated servo driver, comprising:

the mounting shell is internally provided with an accommodating cavity;

the driving plate is arranged in the accommodating cavity; and

the PLC board, the PLC board is located the holding intracavity to with drive plate electric connection in, just the PLC board with the drive plate is relative setting.

2. The PLC integrated servo driver of claim 1, wherein the driving board has a first front side and a first back side in a back-to-back arrangement, the electrical components of the driving board being disposed on the first front side;

the PLC board has the second that is back to back the setting and openly and the second back, the electrical components of PLC board locates the second openly, just the second openly faces first openly sets up.

3. The PLC integrated servo driver of claim 1, wherein the driving board and the PLC board are connected by a pin header connector.

4. The PLC integrated servo driver of claim 1, wherein the PLC board has a connection interface for electrical connection with an external servo driver.

5. The PLC-integrated servo driver of any one of claims 1 to 4, wherein the mounting housing comprises:

the mounting structure comprises a face shell, a mounting cavity and a mounting base, wherein the mounting cavity is formed in the face shell and is provided with a mounting opening; and

the heat dissipation frame is made of aluminum, the heat dissipation frame covers the mounting opening and is enclosed with the mounting cavity to form the containing cavity, part of the structure of the heat dissipation frame extends into the mounting cavity, and the drive board and the PLC board are respectively installed on two opposite sides of the heat dissipation frame.

6. The PLC integrated servo driver of claim 5, wherein the face housing and the heat sink are snap-fit connections;

and/or, the surface shell is provided with a plurality of heat dissipation holes;

and/or the driving plate and the heat dissipation frame are in screw connection;

and/or the PLC board and the heat dissipation frame are in screw connection;

and/or the heat dissipation frame is provided with a first positioning column, and the first positioning column penetrates through the driving plate;

and/or, the heat dissipation frame is also provided with a second positioning column, and the second positioning column penetrates through the PLC board.

7. The PLC-integrated servo driver of claim 5, wherein the heat dissipation bracket comprises:

the sealing cover comprises a first plate body, a second plate body and a third plate body which are sequentially connected, wherein the first plate body and the third plate body are respectively connected to two opposite ends of the second plate body and respectively extend along the directions away from each other, the second plate body, the first plate body and the third plate body are arranged at included angles, and the first plate body, the second plate body and the third plate body seal the mounting port;

the mounting part is connected to the joint of the second plate body and the third plate body and extends into the mounting cavity, and the driving plate is connected to the mounting part and the second plate body; and

and the plurality of heat dissipation plates are arranged on one side of the second plate body, which deviates from the driving plate.

8. The PLC integrated servo driver of claim 7, wherein the heat sink further comprises a connection plate connected to a junction of the first plate and the second plate and disposed opposite to the third plate, the connection plate having a mounting hole.

9. The PLC integrated servo driver of claim 8, wherein the capping part, the mounting part, the plurality of heat radiating plates, and the connecting plate are provided in an integrated structure;

and/or each heat dissipation plate comprises a plurality of sub-plate bodies and a plurality of reinforcing columns, and every two adjacent sub-plate bodies are connected through one reinforcing column;

and/or the outer surface of the first plate body deviating from the mounting cavity and the surface of the connecting plate deviating from the third plate body are arranged in a coplanar manner with the surface shell;

and/or the surface of one end of the third plate body, which is far away from the second plate body, and the surface of one end of the connecting plate, which is far away from the second plate body, and the surface shell are arranged in a coplanar manner.

10. A servo drive system comprising a PLC integrated servo driver according to any one of claims 1 to 9.

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