Main machine of electric shearing device and electric shearing device

Abstract

The embodiment of the utility model discloses a main machine of an electric shearing device. The main machine comprises a main machine shell, a cover body and a motor. Wherein the main case is provided with an accommodating cavity and an opening communicated with the accommodating cavity; the cover body covers the opening and is fixedly connected with the main case; the motor is arranged in the accommodating cavity; the motor comprises a rack, a driving assembly and a moving assembly, the driving assembly and the moving assembly are arranged in the rack, the moving assembly moves under the electromagnetic action of the driving assembly, and the rack is fixedly connected to the inner side face of the cover body. According to the utility model, the frame of the motor is directly connected to the inner side surface of the cover body, so that middle parts for fixing the motor are reduced, deviation possibly occurring in the motor assembly process is reduced, and the overall precision and consistency of motor assembly are improved.

Description

Technical Field

[0001] The present application relates to the technical field of electric shearing devices, and particularly to a main body of an electric shearing device and an electric shearing device. Background Art

[0002] In an electric shearing device, a motor is a key component, and its installation accuracy directly affects the performance and user experience of the electric shearing device. However, during the installation process of a traditional electric shearing device, the frame of the motor usually needs to be fixed to a support structure such as a bracket first, and then the support structure such as the bracket is fixed to the housing of the electric shearing device, so as to complete the fixation of the motor.

[0003] Due to the limited internal space of a miniaturized electric shearing device, when applying the above-mentioned motor fixation method to a miniaturized electric shearing device, since the support structure such as the bracket is an intermediate component during motor fixation, it is easy to cause the generation of cumulative errors. Considering the vibration state of the motor during operation, the cumulative errors will ultimately cause many problems: such as poor alignment between the axis of the motor and the blade, affecting the cutting efficiency and effect, and increasing vibration and noise; also increasing the wear rate of the motor and affecting the service life of the product.

[0004] The above content is only used to assist in understanding the technical solution of the utility model, and does not represent an admission that the above content is prior art. Summary of the Utility Model

[0005] In view of the above problems, the present utility model provides a main body of an electric shearing device, aiming to solve the technical problem that cumulative errors are easily generated during the installation process of a miniaturized electric shearing device, thereby making the electric shearing device inconvenient to use.

[0006] To achieve the above object, the main body of the electric shearing device provided by the present utility model includes a main body housing, a cover body, and a motor; wherein, the main body housing is provided with a cavity and an opening communicating with the cavity; the cover body covers the opening and is fixedly connected to the main body housing, and the motor is placed in the cavity;

[0007] The motor includes a frame, a driving component, and a moving component. The driving component and the moving component are arranged in the frame. The moving component moves under the electromagnetic action of the driving component, and the frame is fixedly connected to the inner side surface of the cover body.

[0008] In an embodiment, the main body of the electric shearing device further includes a bracket and a circuit board. The bracket is fixedly connected to the inner side surface of the cover body and has a gap with the motor, and the circuit board is fixed to the bracket.

[0009] In one embodiment, the frame includes a frame body and lugs protruding from the side walls of the frame body; the cover includes a cover plate, the inner side surface of the cover plate includes a first reference surface corresponding to the lugs, and the lugs are attached to the first reference surface.

[0010] In one embodiment, the frame includes two lugs respectively provided on opposite side walls of the frame body; two first bosses protrude from the inner side surface of the cover plate; the two first bosses are arranged in one-to-one correspondence with the two lugs; the side surface of the first boss facing the bottom of the cavity is the first reference surface.

[0011] In one embodiment, the two lugs are respectively a first lug and a second lug with different shapes; one mounting groove is provided on each of the two first bosses facing the cavity, and the shapes of the two mounting grooves are respectively adapted to the first lug and the second lug, and the bottom wall of the mounting groove is the first reference surface; the first lug and the second lug are respectively embedded in the corresponding mounting grooves.

[0012] In one embodiment, a first fixing hole is provided on the first reference surface; a first through hole is provided on the lug; the main body of the electric shearing device further includes a first fastener, and the first fastener passes through the first through hole and is fixed in the first fixing hole.

[0013] In one embodiment, a receiving groove is formed on the cover plate for receiving a part of the motor, and the bottom wall of the receiving groove is spaced from the first reference surface.

[0014] In one embodiment, the bracket is provided on the periphery of the frame; the inner side surface of the cover plate further includes a second reference surface spaced from the first reference surface; the bracket is attached to the second reference surface.

[0015] In one embodiment, a fixing wall extending towards the bottom of the cavity is connected to the edge of the first reference surface, and the outer side wall of the fixing wall is the second reference surface;

[0016] A connecting portion protrudes from the side surface of the bracket facing the cover plate, and the connecting portion is attached to the second reference surface.

[0017] In one embodiment, a second fixing hole is provided on the second reference surface, a second through hole is provided on the connecting portion, and the axes of the second fixing hole and the second through hole are both perpendicular to the direction from the opening towards the bottom of the cavity; the main body of the electric shearing device further includes a second fastener, and the second fastener passes through the second through hole and is fixed in the second fixing hole.

[0018] In one embodiment, the second reference surface is offset towards the bottom of the cavity relative to the first reference surface.

[0019] In one embodiment, a second boss protrudes from the inner side surface of the cover plate, and the side surface of the second boss facing the bottom of the cavity is the second reference surface; a third boss is provided on the side surface of the bracket facing the cover body, and the third boss fits against the second reference surface.

[0020] In one embodiment, a third fixing hole is formed in the second reference surface; a third through hole is formed in the bracket, and the third through hole penetrates through the side wall of the bracket close to the cover plate and the third boss. The axes of the third fixing hole and the third through hole are both along the direction parallel to the direction from the opening towards the bottom of the cavity; the main body of the electric shearing device further includes a third fastener, and the third fastener passes through the third through hole and is fixed in the third fixing hole.

[0021] In one embodiment, the cover body further includes two fixing parts respectively connected to two ends of the cover plate; the fixing parts are fixedly connected to the main body housing.

[0022] In one embodiment, a fourth through hole is formed in the fixing part; a fourth fixing hole is formed in the side wall of the main body housing facing the fixing part; the main body of the electric shearing device further includes a fourth fastener; the fourth fastener passes through the fourth through hole and is fixedly connected to the fourth fixing hole.

[0023] In one embodiment, the side surface of the fixing part facing the main body housing is the third reference surface, and a fourth boss is provided on the side wall of the main body housing facing the cavity; the fourth fixing hole is formed in the fourth boss; and the side surface of the fourth boss facing the fixing part is fixedly connected to the third reference surface.

[0024] In one embodiment, the side surface of the fixing part facing the bottom of the cavity is the fourth reference surface, the second reference surface is offset towards the bottom of the cavity relative to the first reference surface, and the fourth reference surface is spaced apart from the second reference surface; the bracket is provided with a limiting convex part facing the fixing part, and the limiting convex part fits against the fourth reference surface.

[0025] The present utility model further provides an electric shearing device including a main body and a cutter head. The main body is the main body of the electric shearing device in any one of the above embodiments. The main body further includes a transmission member. One end of the transmission member is fixedly connected to the moving assembly, and the other end of the transmission member passes through the cover body and is connected to the cutter head.

[0026] The present utility model provides a main body of an electric shearing device, which includes a main body housing, a cover body, and a motor. Among them, the main body housing is provided with a cavity and an opening communicating with the cavity; the cover body covers the opening and is fixedly connected to the main body housing, and the motor is placed in the cavity; the motor includes a frame, a driving component, and a moving component, the driving component and the moving component are arranged in the frame, the moving component moves under the electromagnetic action of the driving component, and the frame is fixedly connected to the inner side surface of the cover body. By directly connecting the frame of the motor itself to the inner side surface of the cover body, the present utility model reduces the intermediate components for fixing the motor, thereby reducing the possible deviations in the motor assembly process and improving the overall accuracy and consistency of the motor assembly. Description of the Drawings

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0028] Figure 1 Shows a schematic structural diagram of an embodiment of the electric shearing device of the present utility model;

[0029] Figure 2 is Figure 1 an exploded view of the electric shearing device in;

[0030] Figure 3 is Figure 2 an exploded view of the main body of the electric shearing device in;

[0031] Figure 4 is Figure 3 a schematic structural diagram of the cover body in;

[0032] Figure 5 is Figure 3 a schematic structural diagram of the frame in;

[0033] Figure 6 is Figure 3 a schematic structural diagram of the bracket in;

[0034] Figure 7 is Figure 2 a top view of the cutter head of the electric shearing device in;

[0035] Figure 8 is Figure 7 a sectional view along line VIII-VIII;

[0036] Figure 9 is Figure 8 an enlarged view of part A in;

[0037] Figure 10 isFigure 7 Cross-sectional view along line X-X

[0038] Figure 11 Top view of another embodiment of the tool head of the electric shearing device;

[0039] Figure 12 is Figure 11 Cross-sectional view along line XII-XII;

[0040] Figure 13 is Figure 12 Enlarged view at B in

[0041] Figure 14 is Figure 11 Exploded view of the main body of the electric shearing device in

[0042] Figure 15 is Figure 14 Schematic structural view of the cover body in

[0043] Explanation of the reference numerals in the drawings:

[0044]

[0045]

[0046] The realization, functional features and advantages of the purpose of the present utility model will be further described with reference to the embodiments and the accompanying drawings. Detailed implementation manners

[0047] Next, the technical solutions in the embodiments of the present application will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of the technical solutions appears to be contradictory or unable to be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0048] It should be noted that if there are directional indications (such as up, down, left, right, front, back...) involved in the embodiments of the present utility model, the directional indications are only used to explain the relative position relationship and movement conditions between the components in a specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0049] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, such descriptions of "first", "second", etc. are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first", "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and / or" appearing throughout the text is that it includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, or solution B, or a solution where A and B are satisfied simultaneously.

[0050] The present utility model provides a main body of an electric shearing device. An electric shearing device is a device specifically used for shearing and trimming hair, such as an electric hair clipper, an electric shaver, etc. The main body of the electric shearing device refers to the core component of the entire electric shearing device, including components such as a drive system and a control system. It is responsible for providing power so that the shearing tool can effectively cut hair.

[0051] In the embodiments of the present utility model, please refer to Figure 3 , Figure 7 , Figure 9 and Figure 14 , the main body 100 of the electric shearing device 300 includes a main body housing 10, a cover body 20, and a motor 30.

[0052] Among them, the main body housing 10 bears and protects various internal components. It is usually made of durable plastic or metal. The main body housing 10 is provided with a cavity 11 and an opening 12 communicating with the cavity 11. The motor 30 is placed in the cavity 11. The cover body 20 covers the opening 12 and is fixedly connected to the main body housing 10.

[0053] The motor 30 is the core component of the electric shearing device 300, responsible for providing power and driving the movement of the shearing tool. The motor 30 includes a frame 31, a driving component, and a moving component. The driving component and the moving component are arranged inside the frame 31. The moving component moves under the electromagnetic action of the driving component. The frame 31 is fixedly connected to the inner side surface of the cover body 20. The motor 30 can be a reciprocating motor, and its moving component makes a reciprocating linear movement under the electromagnetic action of the driving component. It can be understood that the motor 30 can also be a rotary motor or other types of motors.

[0054] The present utility model provides a main body 100 of an electric shearing device 300, which includes a main body housing 10, a cover body 20, and a motor 30. Among them, the main body housing 10 is provided with a cavity 11 and an opening 12 communicating with the cavity 11; the cover body 20 covers the opening 12 and is fixedly connected to the main body housing 10, and the motor 30 is placed in the cavity 11; the motor 30 includes a frame 31, a driving component, and a moving component. The driving component and the moving component are arranged in the frame 31, and the moving component moves under the electromagnetic action of the driving component. The frame 31 is fixedly connected to the inner side surface of the cover body 20. Compared with the situation where the frame 31 of the motor usually needs to be fixed on a support structure first and then fixed to the outer shell of the electric shearing device (the outer shell includes the main body housing 10 and the cover body 20), the present utility model directly connects the frame 31 of the motor itself to the inner side surface of the cover body 20, reducing the intermediate components for fixing the motor 30. Fewer intermediate components mean that the deviations that may occur during the assembly process are reduced, thereby improving the overall accuracy and consistency of the motor assembly. This helps to ensure that the various components of the main body 100 of the electric shearing device 300 fit more closely together, reducing potential error sources.

[0055] Further, referring to Figure 3 and Figure 14 , the main body 100 of the electric shearing device 300 further includes a bracket 40 and a circuit board 50. The bracket 40 is fixedly connected to the inner side surface of the cover body 20 and has a gap with the motor 30, and the circuit board 50 is fixed to the bracket 40.

[0056] Both the frame 31 and the bracket 40 are fixedly connected to the cover body 20. In this way, the motor 30 and the bracket 40 are assembled with the cover body 20 as the positioning reference, thereby ensuring that the positions and positioning references of the motor 30 and the bracket 40 are relatively fixed and consistent, thus reducing the accumulation of errors during the processing and installation processes.

[0057] Meanwhile, a gap is formed between the frame 31 and the bracket 40. In this way, when the electric shearing device 300 is working, the vibration of the motor 30 will not be directly transmitted to the bracket 40 and the components fixed on the bracket 40 (such as the circuit board 50), thereby reducing the influence of the vibration of the motor 30 and maintaining the stability of the electric shearing device 300. In addition, the frame 31 and the bracket 40 are respectively fixedly connected to the cover body 20, and the gap between the two helps to enhance the flexibility of the assembly, improving the production efficiency and assembly quality. During the installation and adjustment processes, the gap between the frame 31 and the bracket 40 can be adjusted more flexibly to ensure the best positioning and connection.

[0058] Further, referring to Figure 3 , Figure 4 and Figure 14, the frame 31 includes a frame body 311 and lugs 312 protruding from the side wall of the frame body 311; the cover 20 includes a cover plate 21, the inner side surface of the cover plate 21 includes a first reference surface 211, the first reference surface 211 corresponds to the lugs 312, and the lugs 312 are attached to the first reference surface 211.

[0059] In this embodiment, the frame body 311 is used to accommodate the drive assembly and the motion assembly, and the lugs 312 are used to connect with other components to achieve the overall fixation of the frame 31. The first reference surface 211 provides a clear position reference point, ensuring that the frame 31 can be accurately placed at a predetermined position in the cavity 11. The attachment of the lugs 312 to the first reference surface 211 makes it easier to align the device during assembly, ensuring the accuracy of the installation of the frame 31. At the same time, this tight attachment can reduce the movement or loosening of the frame 31 due to vibration or load during use, improving the structural stability.

[0060] Further, the frame 31 includes two lugs 312 respectively provided on the opposite side walls of the frame body 311; two first bosses 212 protrude from the inner side surface of the cover plate 21; the two first bosses 212 are arranged in one-to-one correspondence with the two lugs 312; the side surface of the first boss 212 facing the bottom of the cavity 11 is the first reference surface 211. Since the two lugs 312 on the frame 31 are arranged in one-to-one correspondence with the two first bosses 212 on the cover plate 21, the bosses can be precisely matched with the lugs 312. This can effectively improve the positioning stability of the cover plate 21 on the frame 31 and reduce the movement of the cover plate 21 caused by vibration or other factors during use.

[0061] Further, referring to Figure 14 , the two lugs 312 are respectively a first lug 3121 and a second lug 3122 with different shapes; one mounting groove 2121 is provided on each of the two first bosses 212 facing the cavity 11, the shapes of the two mounting grooves 2121 are respectively adapted to the first lug 3121 and the second lug 3122, the bottom wall of the mounting groove 2121 is the first reference surface 211; the first lug 3121 and the second lug 3122 are respectively embedded in the corresponding mounting grooves 2121.

[0062] At the same time, the mounting groove 2121 allows a certain margin for adjustment, which can ensure that when the first reference surface 211 is docked with the first lug 3121 / second lug 3122, even if there are slight deviations, it can still be successfully installed and maintain a stable connection.

[0063] In this embodiment, the first lug 3121 and the second lug 3122 with different shapes are respectively adapted to the corresponding mounting grooves 2121, which can ensure the correct assembly direction of the motor 30, reduce the assembly errors of the motor 30, and improve the assembly efficiency of the motor 30 and the cover plate 21.

[0064] In one embodiment, referring to Figure 4 , Figure 5 , Figure 9 and Figure 14 the first reference plane 211 is provided with a first fixing hole 2111; the lug 312 is provided with a first through hole 3123; the main body 100 of the electric shearing device 300 further includes a first fastener 61, and the first fastener 61 passes through the first through hole 3123 and is fixed in the first fixing hole 2111.

[0065] In this embodiment, the frame 31 and the cover plate 21 are accurately positioned and aligned through the cooperation of the first fixing hole 2111 and the first through hole 3123. And the connection is realized through the first fastener 61. This connection method usually adopts threads or other fastening mechanisms, which can effectively resist the influence of vibration and external forces, and ensure that the connection part will not loosen or fail. The lug 312 is provided with the first through hole 3123, so that both a firm connection can be realized and the structural strength of the frame 31 can be ensured.

[0066] In one embodiment, referring to Figure 9 and Figure 13 the cover plate 21 is provided with a receiving groove 213, and the receiving groove 213 is used to receive a part of the motor 30. The bottom wall of the receiving groove 213 is spaced from the first reference plane 211. The receiving groove 213 can isolate the cover plate 21 and the motor 30, and to a certain extent reduce the vibration transmission of the motor 30 to the cover plate 21. The bottom wall of the receiving groove 213 being spaced from the first reference plane 211 can provide a positioning reference for the installation of the motor 30.

[0067] In one embodiment, the bracket 40 is provided on the periphery of the frame 31. The inner side surface of the cover plate 21 further includes a second reference plane 214 spaced from the first reference plane 211; the bracket 40 is attached to the second reference plane 214.

[0068] In this embodiment, referring to Figure 3 and Figure 14 , the bracket 40 is provided on the periphery of the frame 31. This can optimize the load distribution and improve the structural stability. Specifically, the bracket 40 and the frame 31 are respectively connected to different positions of the cover plate 21, which can share and evenly distribute the bearing force, and reduce the risk of deformation or damage of the cover body 20 under external impact or vibration. At the same time, the first reference plane 211 and the second reference plane 214 are spaced apart. The two can be spaced apart in the center line direction of the opening 12, or can be spaced apart in a direction perpendicular to or nearly perpendicular to the center line direction of the opening 12.

[0069] Further, referring to Figure 15, the edge of the first reference plane 211 is connected with a fixed wall 215 extending towards the bottom of the cavity 11, and the outer side wall of the fixed wall 215 is the second reference plane 214; a connecting portion 41 is convexly provided on the side surface of the bracket 40 facing the cover plate 21, and the connecting portion 41 is attached to the second reference plane 214.

[0070] In this embodiment, the second reference plane 214 provides a clear position reference point, ensuring that the bracket 40 can be accurately placed at a predetermined position in the cavity 11. The attachment of the connecting portion 41 to the second reference plane 214 makes it easier to align the device during assembly, ensuring the accuracy of the installation of the bracket 40. At the same time, this tight attachment can reduce the movement or loosening of the bracket 40 due to vibration or load during use, improving the structural stability.

[0071] Furthermore, a second fixing hole 2141 is provided on the second reference plane 214, and a second through hole 411 is provided on the connecting portion 41. The axes of the second fixing hole 2141 and the second through hole 411 are both perpendicular to the direction from the opening 12 towards the bottom of the cavity 11; the main body 100 of the electric shearing device 300 further includes a second fastener 62, and the second fastener 62 passes through the second through hole 411 and is fixed to the second fixing hole 2141.

[0072] In this embodiment, the connecting portion 41 and the fixed wall 215 are accurately positioned and aligned through the cooperation of the second fixing hole 2141 and the second through hole 411. And this connection is achieved through the second fastener 62. This connection method usually adopts threads or other fastening mechanisms, which can effectively resist the influence of vibration and external forces, ensuring that the connection part will not loosen or fail. The axes of the second fixing hole 2141 and the second through hole 411 are both perpendicular to the direction from the opening 12 towards the bottom of the cavity 11. This makes the installation method more direct and simple, without the need for complex installation steps and tools, reducing the installation difficulty and cost.

[0073] In one embodiment, referring to Figure 8 and Figure 9 , the second reference plane 214 is offset towards the bottom of the cavity 11 relative to the first reference plane 211, and thereby a clearance space is formed for accommodating a part of the lug 312 and the first fastener 61. This helps to optimize the utilization of the internal space of the cavity 11 and improve the structural compactness of the cutter head 200 of the electric shearing device 300.

[0074] Furthermore, a second boss 216 is convexly provided on the inner side surface of the cover plate 21, and the side surface of the second boss 216 facing the bottom of the cavity 11 is the second reference plane 214; a third boss 42 is provided on the side surface of the bracket 40 facing the cover 20, and the third boss 42 is attached to the second reference plane 214.

[0075] In this embodiment, the second reference plane 214 provides a clear position reference point, ensuring that the bracket 40 can be accurately placed at a predetermined position in the cavity 11. The third boss 42 fits against the second reference plane 214, making it easier to align the device during assembly and ensuring the accuracy of the installation of the bracket 40. At the same time, this tight fit can reduce the movement or loosening of the bracket 40 due to vibration or load during use, improving the stability of the structure.

[0076] At the same time, the bracket 40 in this embodiment can be installed on the cover plate 21 along the center line direction of the opening 12. This installation method may save more space because it allows the bracket 40 to fit closely with the inner side surface of the cover plate 21, reducing the need for external space.

[0077] Furthermore, a third fixing hole 2142 is formed on the second reference plane 214; a third through hole 421 is formed on the bracket 40, and the third through hole 421 penetrates through the side wall of the bracket 40 close to the cover plate 21 and the third boss 42. The axes of the third fixing hole 2142 and the third through hole 421 are both along the direction parallel to the bottom of the cavity 11 from the opening 12; the main body 100 of the electric shearing device 300 further includes a third fastener 63, and the third fastener 63 passes through the third through hole 421 and is fixed in the third fixing hole 2142.

[0078] In this embodiment, the bracket 40 and the cover plate 21 are accurately positioned and aligned through the cooperation of the third fixing hole 2142 and the third through hole 421. And the connection is realized through the third fastener 63. This connection method usually adopts threads or other fastening mechanisms, which can effectively resist the influence of vibration and external forces, ensuring that the connection part will not loosen or fail. At the same time, the third boss 42 not only helps to provide a firm connection relationship, but also ensures the structural strength of the bracket 40, avoiding the reduction of the structural strength of the bracket 40 due to the third through hole 421.

[0079] In some embodiments, referring to Figure 9 , a first relief groove 2161 is provided on the side surface of the second boss 216 facing the cavity 11. The bottom wall of the first relief groove 2161 is the second reference plane 214. The third boss 42 is embedded in the first relief groove 2161. In this way, the spatial layout in the cavity 11 can be optimized, making the structure of the cutter head 200 of the electric shearing device 300 compact, which is beneficial to the miniaturization of the electric shearing device 300.

[0080] In some embodiments, a second avoidance groove 44 is provided on the side of the bracket 40 facing the cover 20; the outer end of the first fastener 61 is received in the second avoidance groove 44. The second avoidance groove 44 can not only make the structure compact, but also compensate for assembly errors. In actual assembly, it is inevitable to have some assembly errors, such as deviations caused by factors such as part manufacturing precision and operator skills. The second avoidance groove 44 can compensate for the assembly errors of the first fastener 61 to a certain extent, so that even if there are slight deviations or misalignments, the assembly can still be completed, ensuring that the functions and performance of the device are not affected.

[0081] In one embodiment, Figure 3 、 Figure 4 and Figure 15 , the cover 20 further includes two fixing parts 22 respectively connected to both ends of the cover plate 21; the fixing parts 22 are fixedly connected to the main housing 10. This means that the frame 31 and the bracket 40 are fixedly connected to the cover plate 21, and the main housing 10 is fixedly connected to the fixing parts 22. In other words, different regions on the cover 20 are respectively fixedly connected to different components. In this way, the overall structure of the cover 20 can be balanced, avoiding deformation and damage caused by local stress concentration.

[0082] In one embodiment, referring to Figure 9 , a fourth through hole 221 is provided on the fixing part 22; a fourth fixing hole 13 is provided on the side wall surface of the main housing 10 facing the fixing part 22; the main body 100 of the electric shearing device 300 further includes a fourth fastener 64; the fourth fastener 64 passes through the fourth through hole 221 and is fixedly connected to the fourth fixing hole 13.

[0083] In this embodiment, the main housing 10 and the fixing part 22 are accurately positioned and aligned through the cooperation of the fourth fixing hole 13 and the fourth through hole 221. And the connection is achieved through the fourth fastener 64. This connection method usually adopts threads or other fastening mechanisms, which can effectively resist the influence of vibration and external forces, ensuring that the connection part will not loosen or fail. At the same time, the main housing 10 not only helps to provide a firm connection relationship, but also can ensure the structural strength of the bracket 40, avoiding the structural strength of the bracket 40 from decreasing due to the fourth through hole 221.

[0084] Furthermore, the surface of the fourth fastener 64 facing away from the main housing 10 is lower than or flush with the surface of the fixing part 22. If the surface of the fourth fastener 64 facing away from the main housing 10 is higher than the surface of the fixing part 22, it will cause the surface of the fixing part 22 to be uneven, thus affecting the precise assembly of the cutter head 200. This embodiment places the fourth fastener 64 in the third through hole 421 to ensure the flatness of the surface of the fixing part 22.

[0085] In one embodiment, referring to Figure 9The side of the fixing part 22 facing the main housing 10 is the third reference plane 222, and the side wall surface of the main housing 10 facing the cavity 11 is provided with a fourth boss 14; a fourth fixing hole 13 is formed in the fourth boss 14; and the side surface of the fourth boss 14 facing the fixing part 22 is fixedly connected to the third reference plane 222.

[0086] In this embodiment, the third reference plane 222 provides a clear position reference point, ensuring that the main housing 10 can be accurately placed at a predetermined position in the cavity 11. The fourth boss 14 being in contact with the third reference plane 222 makes it easier to align the device during assembly, ensuring the accuracy of the installation of the main housing 10. At the same time, this tight contact can reduce the movement or loosening of the main housing 10 during use due to vibration or load, improving the structural stability.

[0087] Furthermore, in some embodiments, referring to Figure 4 , Figures 7 to 9 , the side of the bracket 40 facing the cover plate 21 abuts against the third reference plane 222, and the second reference plane 214 is offset towards the bottom of the cavity 11 relative to the first reference plane 211; the third reference plane 222 is offset towards the bottom of the cavity 11 relative to the second reference plane 214;

[0088] In this embodiment, the third reference plane 222 abuts against both the main housing 10 and the bracket 40 at the same time. In this way, multi-point support can effectively disperse the load and stress of the fixing part 22, reducing the stress concentration problem caused by single-point support, which is beneficial for the fixing part 22 to withstand vibration or external impact. And reusing the third reference plane 222 can reduce components, which is beneficial for the main body 100 of the electric shearing device 300 to achieve miniaturization and light weight. At the same time, the installation process can be simplified, and the accurate alignment of the frame 31, the bracket 40 and the main housing 10 after assembly can be ensured, thereby reducing the risk of assembly errors and improving the assembly efficiency.

[0089] In other embodiments, referring to Figures 11 to 14 The fixing part 22 further includes a fourth reference plane 223 on the side facing the bottom of the cavity 11, and the fourth reference plane 223 is spaced from the third reference plane 222; the bracket 40 is provided with a limiting convex part 43 facing the fixing part 22, and the limiting convex part 43 is in contact with the fourth reference plane 223.

[0090] In this embodiment, the third reference plane 222 and the fourth reference plane 223 on the fixing portion 22 are respectively abutted against the main housing 10 and the bracket 40. In this way, multi-point support can effectively disperse the load and stress of the fixing portion 22, reduce the stress concentration problem caused by single-point support, and thus is beneficial for the fixing portion 22 to withstand vibration or external impact. At the same time, the installation process can be simplified, and the accurate alignment of the frame 31, the bracket 40, and the main housing 10 after assembly can be ensured, thereby reducing the risk of assembly errors and improving the assembly efficiency. Moreover, the fourth reference plane 223 and the third reference plane 222 are spaced apart to effectively utilize the space of the cavity 11 and improve the structural compactness.

[0091] In one embodiment, referring to the figures, the side surface of the fixing portion 22 facing away from the main housing 10 is the first surface 81; the side surface of the cover plate 21 facing away from the cavity 11 is the second surface 82; the first surface 81 deviates from the second surface 82 towards the main housing 10. The height difference between the first surface 81 and the second surface 82 can be used as a guide for assembly to ensure the correct assembly of the cutter head 200 and the main machine 100, thereby reducing the assembly time and cost. At the same time, the height difference between the first surface 81 and the second surface 82 can also prevent the cutter head 200 from sliding and shifting in the distribution direction of the cover plate 21 and the second plate body. In addition, the height difference between the first surface 81 and the second surface 82 is also beneficial for the space optimization in the cavity 11.

[0092] Furthermore, the first surface 81 is recessed towards the main housing 10 to form a positioning recess 83, and the positioning recess 83 is adapted to the splicing surface of the cutter head 200 of the electric shearing device 300. The flat positioning surface may only have one point or a line for positioning with the cutter head 200, and it is easy to cause instability between components due to minor deviations. However, the positioning recess 83 is a curved surface, and the curved surface can provide more positioning points, which makes it easier to achieve stable positioning during assembly.

[0093] In one embodiment, referring to the figures, the inner wall surface of the main housing 10 is in limit fit with the periphery of the cover body 20. This ensures the precise alignment of the main housing 10 and the cover body 20 during assembly, avoids offset or misalignment during the assembly process, and improves the assembly accuracy and stability. Moreover, the side wall of the main housing 10 is higher than or flush with the side surface of the cover body 20 away from the cavity 11. In this way, the side wall of the main housing 10 can limit the offset or sliding of the cutter head 200 relative to the main housing 10, ensuring the normal operation of the electric shearing device 300.

[0094] The present utility model also provides an electric shearing device 300. Referring to the figure, the electric shearing device 300 includes a main body 100 and a cutter head 200. Among them, the specific structure of the main body 100 refers to the cutter head 200 of the electric shearing device 300 in the above-mentioned embodiment. The main body 100 further includes a transmission member 84. One end of the transmission member 84 is fixedly connected to the moving assembly, and the other end of the transmission member 84 passes through the cover 20 and is connected to the cutter head 200. Since the electric shearing device 300 adopts all the technical solutions of the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be elaborated herein one by one.

[0095] In some embodiments, referring to the figure and the figure, the electric shearing device 300 further includes a sealing ring 80. The sealing ring 80 surrounds a part of the periphery of the cover 20 and abuts against the main body housing 10 to achieve sealing between the cover 20 and the main body housing 10.

[0096] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. The main body of an electric shearing device, characterized in that, It includes a main housing, a cover body, and a motor; wherein, the main housing is provided with a cavity and an opening communicating with the cavity; the cover body covers the opening and is fixedly connected to the main housing, and the motor is placed in the cavity; The motor includes a frame, a driving component, and a moving component. The driving component and the moving component are arranged in the frame. The moving component moves under the electromagnetic action of the driving component, and the frame is fixedly connected to the inner side surface of the cover body.

2. The main body of the electric shearing device according to claim 1, characterized in that, The main body of the electric shearing device further includes a bracket and a circuit board. The bracket is fixedly connected to the inner side surface of the cover body and has a gap with the motor, and the circuit board is fixed to the bracket.

3. The main body of the electric shearing device according to claim 2, characterized in that, The frame includes a frame main body and lugs protruding from the side wall of the frame main body; the cover body includes a cover plate. The inner side surface of the cover plate includes a first reference surface corresponding to the lugs, and the lugs are attached to the first reference surface.

4. The main body of the electric shearing device according to claim 3, characterized in that, The frame includes two lugs respectively arranged on opposite side walls of the frame main body; two first bosses protrude from the inner side surface of the cover plate; the two first bosses are arranged in one-to-one correspondence with the two lugs; the side surface of the first boss facing the bottom of the cavity is the first reference surface.

5. The main body of the electric shearing device according to claim 4, characterized in that, The two lugs are respectively a first lug and a second lug with different shapes; One installation groove is respectively arranged on the two first bosses facing the cavity. The shapes of the two installation grooves are respectively adapted to the first lug and the second lug, and the bottom wall of the installation groove is the first reference surface; the first lug and the second lug are respectively embedded in the corresponding installation grooves.

6. The main body of the electric shearing device according to claim 3, characterized in that, The first reference surface is provided with a first fixing hole; the lug is provided with a first through hole; the main body of the electric shearing device further includes a first fastener, and the first fastener passes through the first through hole and is fixed to the first fixing hole.

7. The main body of the electric shearing device according to claim 3, characterized in that, A receiving groove is formed on the cover plate for receiving a part of the motor, and the bottom wall of the receiving groove is spaced from the first reference surface.

8. The main body of the electric shearing device according to any one of claims 3-7, characterized in that The bracket is arranged on the periphery of the frame; the inner side surface of the cover plate further includes a second reference surface spaced from the first reference surface; the bracket is attached to the second reference surface.

9. The main body of the electric shearing device according to claim 8, wherein, The edge of the first reference surface is connected with a fixing wall extending towards the bottom of the cavity, and the outer side wall of the fixing wall is the second reference surface; The side surface of the bracket facing the cover plate protrudes with a connecting portion, and the connecting portion is attached to the second reference surface.

10. The main body of the electric shearing device according to claim 9, characterized in that, The second reference surface is provided with a second fixing hole, and the connecting portion has a second through hole. The axes of the second fixing hole and the second through hole are both perpendicular to the direction from the opening towards the bottom of the cavity; the main body of the electric shearing device further includes a second fastener, and the second fastener passes through the second through hole and is fixed to the second fixing hole.

11. The main body of the electric shearing device according to claim 8, characterized in that, The second reference surface is offset towards the bottom of the cavity relative to the first reference surface.

12. The main body of the electric shearing device according to claim 11, characterized in that, The inner side surface of the cover plate protrudes with a second boss, and the side surface of the second boss facing the bottom of the cavity is the second reference surface; the side surface of the bracket facing the cover body is provided with a third boss, and the third boss is attached to the second reference surface.

13. The main body of the electric shearing device according to claim 12, characterized in that, A third fixing hole is formed in the second reference plane; a third through hole is formed in the bracket, and the third through hole penetrates through the side wall of the bracket close to the cover plate and the third boss, and the axes of the third fixing hole and the third through hole are both along a direction parallel to the direction from the opening towards the bottom of the cavity; the main body of the electric shearing device further includes a third fastener, and the third fastener passes through the third through hole and is fixed in the third fixing hole.

14. The main body of the electric shearing device according to claim 8, characterized in that, The cover body further includes two fixing parts respectively connected to two ends of the cover plate; the fixing parts are fixedly connected to the main body housing.

15. The main body of the electric shearing device according to claim 14, characterized in that, A fourth through hole is formed in the fixing part; a fourth fixing hole is formed in the side wall surface of the main body housing facing the fixing part; the main body of the electric shearing device further includes a fourth fastener; the fourth fastener passes through the fourth through hole and is fixedly connected to the fourth fixing hole.

16. The main body of the electric shearing device according to claim 15, characterized in that, The side surface of the fixing part facing the main body housing is a third reference plane, and a fourth boss is provided on the side wall surface of the main body housing facing the cavity; the fourth fixing hole is formed in the fourth boss; and the side surface of the fourth boss facing the fixing part is fixedly connected to the third reference plane.

17. The main body of the electric shearing device according to claim 16, characterized in that, The side surface of the bracket facing the cover plate abuts against the third reference plane, the second reference plane is offset towards the bottom of the cavity relative to the first reference plane; the third reference plane is offset towards the bottom of the cavity relative to the second reference plane; or, The fixing part further includes a side surface facing the bottom of the cavity as a fourth reference plane, and the fourth reference plane is spaced from the third reference plane; the bracket is provided with a limiting convex part facing the fixing part, and the limiting convex part fits the fourth reference plane.

18. An electric shearing device, characterized in that, It includes a main body and a cutter head, the main body is the main body of the electric shearing device according to any one of claims 1-17, the main body further includes a transmission part, one end of the transmission part is fixedly connected to the moving component, and the other end of the transmission part passes through the cover body and is connected to the cutter head.

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