Food processor with high assembly precision

Abstract

The utility model discloses a food processor with high assembly precision, which relates to the field of life electric appliances, and comprises a machine body, a cup body assembly, a crushing device arranged in a crushing cavity and a motor assembly arranged below the cup body assembly and in transmission connection with the crushing device, the cup body assembly is detachably arranged in the mounting cavity, the motor assembly comprises an upper support, a lower support and a motor body, the upper support and the lower support define a containing cavity, the motor body is contained in the containing cavity, a supporting base is arranged below the motor assembly, the upper support is provided with a supporting part supported on the supporting base, and the lower support is not in contact with the supporting base. According to the food processor, the motor assembly can be positioned and installed only through the upper support, size chains matched with the lower support are reduced, size tolerance and installation errors are reduced, the transmission of motor vibration and the resonance probability are reduced, noise generated when the whole machine works is reduced, and the working stability of the food processor is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of household electrical appliances, in particular to a food processing machine with high assembly precision. Background Art

[0002] Existing food processors usually include a body with a housing, a cup body provided in the housing and having a grinding chamber, a grinding device provided in the grinding chamber, and a motor assembly connected to the grinding device. When a user uses the food processor, the food is placed in the grinding chamber of the cup body, and the motor rotates at high speed and drives the grinding device to rotate to process the food. In order to meet the processing requirements of different food materials, the cup body is usually detachably provided in the body, and different cup bodies such as a chopping cup, a meat grinder cup, a dry grinding cup, etc. can be replaced to meet the user's usage requirements.

[0003] In this type of machine, in order to achieve axial support and positioning of the motor assembly, a support seat is usually set below the motor assembly, and the motor assembly is positioned on the support seat. The motor assembly usually includes an upper bracket, a lower bracket and a motor body. When assembling the motor assembly, the upper bracket and the lower bracket are first fixedly connected and the motor body is fixed to the two brackets, and then the entire motor assembly is positioned on the support seat, and the inner cylinder is pressed above the upper bracket to achieve axial positioning of the motor assembly. However, this positioning method of the motor assembly requires the use of multiple dimension chains to achieve the positioning of the motor assembly, namely: the connection between the inner cylinder and the upper bracket, the connection between the upper bracket and the lower bracket, and the connection between the lower bracket and the inner cylinder. There are many dimension chains, and assembly and production errors are inevitable during the assembly and production process, resulting in a significant reduction in the assembly accuracy of the whole machine, causing the motor to easily transmit vibration to the whole machine when rotating and generate resonance and vibration noise, seriously affecting the consumer experience. Utility Model Content

[0004] The utility model aims to provide a food processing machine with high assembly accuracy, so as to solve the problem that the existing food processing machine has many positioning dimension chains for motor components, resulting in poor assembly accuracy and causing motor vibration, resonance and noise of the whole machine.

[0005] To achieve the above-mentioned purpose, the utility model provides a food processing machine with high assembly precision, comprising a machine body, a cup body assembly arranged on the machine body and having a grinding chamber, a grinding device arranged in the grinding chamber, and a motor assembly arranged below the cup body assembly and transmission-connected to the grinding device, the machine body comprising a casing forming an installation chamber, the cup body assembly being detachably arranged in the installation chamber, the motor assembly comprising an upper bracket, a lower bracket and a motor body, the upper bracket and the lower bracket being enclosed to form an accommodating chamber, the motor body being accommodated in the accommodating chamber, a support seat being provided below the motor assembly, the upper bracket being provided with a supporting portion supported on the support seat, and the lower bracket being not in contact with the support seat.

[0006] The present application provides a detachable cup assembly in the installation cavity, so that users can replace different cup assemblies according to different usage requirements, such as a crushing cup, a dry grinding cup, and a minced meat cup, so as to process different ingredients, thereby improving the user experience. In addition, the installation cavity can play a certain positioning role for the cup assembly, ensuring the stability of the position of the cup assembly in the installation cavity and preventing the cup assembly from shaking significantly. At the same time, a support seat is provided under the motor assembly, and the upper bracket is provided with a supporting portion supported on the support seat, and the lower bracket does not contact the support seat, so that the upper bracket is fixedly connected to the lower bracket and the motor body is fixed in the accommodating cavity to form a relatively closed and independent module, and the entire motor assembly is axially positioned by the contact support between the supporting portion and the support seat. The motor assembly is positioned and installed only by an upper bracket. Compared with the existing method of fixing the lower bracket to the support seat after the upper bracket and the lower bracket are fixed, the size chain matching with the lower bracket is reduced, thereby reducing the dimensional tolerance and installation error, which helps to improve the assembly accuracy, thereby reducing the transmission of motor vibration and the probability of resonance, thereby reducing the noise generated when the whole machine is working, and helping to improve the stability of the food processor.

[0007] In a preferred implementation of a food processing machine with high assembly accuracy, projections of the lower bracket and the support portion on a horizontal plane do not overlap.

[0008] By setting the projections of the lower bracket and the support part on the horizontal plane not to overlap, the support part and the lower bracket are not in contact. Therefore, when the motor body rotates at high speed, the vibration transmitted by the motor body to the upper bracket is transmitted to the support part. The separation of the support part and the lower bracket effectively avoids the collision between the two and the generation of large collision noise, which helps to further reduce the generation of noise.

[0009] In a preferred implementation of a food processing machine with high assembly accuracy, a shock-absorbing pad is provided between the support portion and the support seat to isolate the two, so that the motor assembly is floatingly mounted on the support seat.

[0010] By providing a shock-absorbing pad between the support part and the support base to isolate the two, the motor assembly and the support base can achieve soft contact with the help of the shock-absorbing pad, so that the vibration generated when the motor assembly rotates can be reduced and noise reduced by the shock-absorbing pad, thereby further reducing the vibration amplitude of the motor assembly. At the same time, it can avoid the vibration and noise caused by direct contact between the motor assembly and the support base, thereby improving the working stability of the motor assembly.

[0011] In a preferred implementation of a food processor with high assembly accuracy, the support portion includes a support column extending downward from an upper bracket, a top wall of a support seat is provided with a mounting groove matching the support column, and a shock-absorbing pad is provided between the support column and the mounting groove.

[0012] By setting the support part to include a support column extending downward from the upper bracket, and the top wall of the support seat is provided with a mounting groove that cooperates with the support column, the support column can realize the support positioning of the motor assembly after being inserted into the mounting groove. The mounting groove can not only provide axial support for the support column, but also realize radial limitation of the motor assembly by means of the cooperation of the outer wall of the support column and the inner wall of the mounting groove, which helps to improve the positioning effect of the motor assembly and further reduce the generation of noise. In addition, the shock-absorbing pad is provided between the support column and the mounting groove to realize flexible isolation of the support column and the mounting groove, further avoiding the situation where the two directly contact and generate collision noise during operation.

[0013] In a preferred implementation of a food processor with high assembly accuracy, a concave cavity is formed on the top wall of the support seat, the lower bracket is located in the cavity, and the depth of the installation cavity is greater than the vertical height of the lower bracket, so that the lower bracket is suspended in the cavity; or,

[0014] The vertical height of the support portion from the top surface of the lower bracket to the support seat is greater than the vertical width of the lower bracket, so that the lower bracket is suspended above the support seat.

[0015] By forming a concave cavity on the top wall of the support seat, the lower bracket is located in the cavity, and the depth of the cavity is greater than the vertical height of the lower bracket, so that after the support part and the support seat are matched, the lower bracket can be suspended in the cavity, thereby avoiding contact between the lower bracket and the support seat. At the same time, the noise generated by the motor assembly during operation can be repeatedly rebounded in the cavity, thereby greatly reducing the energy of the noise, thereby reducing the volume of the noise propagating outward, and further improving the noise reduction effect of the whole machine. In addition, the vertical height of the support part can be shortened, thereby reducing the height of the entire motor assembly in the body, thereby reducing the center of gravity of the motor assembly, making the whole machine work more stable, and further reducing the generation of noise.

[0016] In a preferred implementation of a food processing machine with high assembly accuracy, the food processing machine further includes a residual water box, a cavity is formed below the support seat, and the residual water box is placed in the cavity.

[0017] By forming an air-avoiding cavity under the support base and placing the residual water box in the air-avoiding cavity, the support base can realize the formation of the air-avoiding cavity while installing the motor assembly, thereby realizing the placement of the residual water box, eliminating the need to set up additional structural components to form the air-avoiding cavity, improving the compactness of the overall structure, helping to reduce the occupied space of the overall machine, and improving the user experience.

[0018] In a preferred implementation of a food processor with high assembly accuracy, the lower bracket is fixed below the upper bracket, and the lower bracket is located inside the support portion.

[0019] By arranging the lower bracket to be located inside the support part, it is avoided that the radial dimension of the lower bracket is large and the lower bracket extends outside the support part, which causes the need to set a separate avoidance part on the lower bracket to avoid the support part, resulting in a complex structure of the lower bracket. At the same time, it is avoided that the lower bracket and the support part contact each other, resulting in collision noise between the two during operation, and the noise generation is further reduced.

[0020] In a preferred implementation of a food processor with high assembly accuracy, the upper bracket is further provided with a fixing portion extending downward and fixedly connected to the lower bracket, and the vertical width of the fixing portion is smaller than the vertical width of the supporting portion.

[0021] By setting the vertical width of the fixing part to be smaller than the vertical width of the supporting part, after the fixing part is fixedly connected to the lower bracket, the bottom end of the lower bracket is located above the bottom end of the supporting part. Therefore, after the supporting part is positioned, the lower bracket can be suspended above the supporting seat, thereby avoiding contact between the lower bracket and the supporting seat, thereby avoiding vibration noise caused by contact between the lower bracket and the supporting seat.

[0022] In a preferred implementation of a food processor with high assembly accuracy, an inner cylinder is further provided in the casing, the inner cylinder and the upper bracket are combined to form a mounting cavity, and the bottom end of the inner cylinder is pressed onto the upper bracket.

[0023] By arranging an inner cylinder in the casing, the inner cylinder and the supporting part are enclosed to form an installation cavity, so that the inner cylinder can limit the motor assembly while the installation cavity formed in the inner cylinder realizes the first layer of noise reduction for the cup body assembly, and a second layer of noise reduction is formed between the inner cylinder and the casing, so that when the user uses the food processor to process food, the noise generated in the cup body assembly can be repeatedly rebounded in the installation cavity under the isolation of the inner cylinder, thereby greatly reducing the energy of the noise and further reducing the volume of the noise propagating outward. At the same time, the cavity formed between the inner cylinder and the casing can further weaken the noise. The installation cavity and the noise reduction of the inner cylinder and the outer casing can achieve double noise reduction of the noise generated by the cup body assembly, which helps to further improve the noise reduction effect.

[0024] In a preferred implementation of a food processor with high assembly accuracy, a buffer pad is clamped between the inner cylinder and the upper bracket.

[0025] By clamping a buffer pad between the inner cylinder and the upper bracket, flexible isolation between the upper bracket and the inner cylinder is achieved, thereby effectively preventing the vibration on the motor assembly from being transmitted to the inner cylinder, thereby reducing the transmission of the inner cylinder to the entire machine, further reducing the generation of noise resonance, and avoiding collision noise caused by direct contact between the two. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0027] Figure 1 A cross-sectional view of a food processor in one embodiment of the utility model;

[0028] Figure 2 A cross-sectional view of a food processor in one embodiment of the utility model at another angle;

[0029] Figure 3 for Figure 2 Enlarged view of part A in the middle;

[0030] Figure 4 This is an exploded view of a support base and a motor assembly in one embodiment of the utility model;

[0031] Figure 5 This is a structural schematic diagram of a support base and a motor assembly in one embodiment of the utility model;

[0032] Figure 6 It is a schematic structural diagram of an upper bracket in one embodiment of the utility model.

[0033] List of parts and reference numerals:

[0034] 1-machine body, 11-machine casing, 111-installation cavity; 2-cup body assembly; 3-crushing device; 4-motor assembly, 41-upper bracket, 411-support part, 412-fixing part, 42-lower bracket, 43-motor body; 5-support seat, 51-avoidance cavity, 52-concave cavity; 6-residual water box; 7-shock-absorbing pad; 8-inner cylinder. DETAILED DESCRIPTION

[0035] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in combination with the accompanying drawings by way of examples.

[0036] It should be noted that many specific details are elaborated in the following description to facilitate a full understanding of the present invention. However, the present invention can also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific implementation methods disclosed below.

[0037] like Figures 1 to 6As shown, the utility model provides a food processing machine with high assembly precision, including a machine body 1, a cup body assembly 2 provided on the machine body 1 and having a grinding chamber, a grinding device 3 provided in the grinding chamber, and a motor assembly 4 provided below the cup body assembly 2 and transmission-connected to the grinding device 3. The machine body 1 includes a casing 11 formed with an installation chamber 111, the cup body assembly 2 is detachably provided in the installation chamber 111, the motor assembly 4 includes an upper bracket 41, a lower bracket 42 and a motor body 43, the upper bracket 41 and the lower bracket 42 are enclosed to form an accommodating chamber, the motor body 43 is accommodated in the accommodating chamber, a support seat 5 is provided below the motor assembly 4, the upper bracket 41 is provided with a support portion 411 supported on the support seat 5, and the lower bracket 42 is not in contact with the support seat 5.

[0038] The present application provides a detachable cup assembly 2 in the installation cavity 111, so that the user can replace different cup assembly 2 according to different usage requirements, such as a crushing cup, a dry grinding cup, and a minced meat cup, so as to process different ingredients, thereby improving the user experience. In addition, the installation cavity 111 can play a certain positioning role for the cup assembly 2, ensuring the stability of the position of the cup assembly 2 in the installation cavity 111, and preventing the cup assembly 2 from shaking significantly. At the same time, a support seat 5 is provided under the motor assembly 4, and the upper bracket 41 is provided with a support portion 411 supported on the support seat 5, and the lower bracket 42 does not contact the support seat 5, so that the upper bracket 41 is fixedly connected with the lower bracket 42 and the motor body 43 is fixed in the accommodating cavity to form a relatively closed and independent module, and the entire motor assembly 4 is axially positioned by the contact support of the support portion 411 and the support seat 5. The motor assembly 4 is positioned and installed only by an upper bracket 41. Compared with the existing method of fixing the upper bracket 41 and the lower bracket 42 to the support seat 5, the size chain matching with the lower bracket 42 is reduced, thereby reducing the dimensional tolerance and installation error, which helps to improve the assembly accuracy, thereby reducing the transmission of motor vibration and the probability of resonance, thereby reducing the noise generated when the whole machine is working, and helping to improve the stability of the food processor.

[0039] As a preferred embodiment of the present application, Figure 3 As shown, the projections of the lower bracket 42 and the supporting portion 411 on the horizontal plane do not overlap.

[0040] By setting the projections of the lower bracket 42 and the support part 411 on the horizontal plane to be non-overlapping, the support part 411 and the lower bracket 42 are not in contact, so that when the motor body 43 rotates at high speed, the vibration transmitted by the motor body 43 to the upper bracket 41 is transmitted to the support part 411. The separation of the support part 411 and the lower bracket 42 effectively avoids the collision between the two and the generation of large collision noise, which helps to further reduce the generation of noise.

[0041] As a preferred embodiment of the present application, Figure 4 As shown, a shock-absorbing pad 7 is provided between the support portion 411 and the support seat 5 to isolate the two, so that the motor assembly 4 is floatingly mounted on the support seat 5.

[0042] By providing a shock-absorbing pad 7 between the support portion 411 and the support seat 5 to isolate the two, the motor assembly 4 and the support seat 5 can achieve soft contact with the help of the shock-absorbing pad 7, so that the vibration generated when the motor assembly 4 rotates can be reduced and noise reduced by the shock-absorbing pad 7, thereby further reducing the vibration amplitude of the motor assembly 4. At the same time, it can avoid the vibration and noise caused by direct contact between the motor assembly 4 and the support seat 5, thereby improving the working stability of the motor assembly 4.

[0043] It should be noted that the present application does not specifically limit the structure of the support portion 411. As a preferred embodiment of the present application, Figure 3 , Figure 4 , Figure 5 As shown, the support portion 411 includes a support column extending downward from the upper bracket 41, a mounting groove matching the support column is provided on the top wall of the support seat 5, and a shock-absorbing pad 7 is provided between the support column and the mounting groove.

[0044] By setting the support portion 411 to include a support column extending downward from the upper bracket 41, and the top wall of the support seat 5 is provided with a mounting groove that cooperates with the support column, the support column can achieve the support positioning of the motor assembly 4 after being inserted into the mounting groove. The mounting groove can not only provide axial support for the support column, but also achieve radial limitation of the motor assembly 4 by means of the cooperation of the outer wall of the support column and the inner wall of the mounting groove, which helps to improve the positioning effect of the motor assembly 4 and further reduce the generation of noise. In addition, the shock-absorbing pad 7 is provided between the support column and the mounting groove to achieve flexible isolation of the support column and the mounting groove, further avoiding the situation where the two directly contact and generate collision noise during operation.

[0045] It should be noted that the present application does not specifically limit how the lower bracket 42 is not in contact with the support seat 5, and it can be any one of the following embodiments:

[0046] Example 1: Figure 3 As shown, in this embodiment, a concave cavity 52 is formed on the top wall of the support seat 5 , and the lower bracket 42 is located in the cavity 52 , and the depth of the cavity 52 is greater than the vertical height of the lower bracket 42 , so that the lower bracket 42 is suspended in the cavity 52 .

[0047] By forming a concave cavity 52 on the top wall of the support seat 5, the lower bracket 42 is located in the cavity 52, and the depth of the cavity 52 is greater than the vertical height of the lower bracket 42, so that after the support portion 411 is matched with the support seat 5, the lower bracket 42 can be suspended in the cavity 52, thereby avoiding the lower bracket 42 from contacting the support seat 5. At the same time, the noise generated by the motor assembly 4 during operation can be repeatedly rebounded in the cavity 52, thereby greatly reducing the energy of the noise, thereby reducing the volume of the noise propagating outward, and further improving the noise reduction effect of the whole machine. In addition, the vertical height of the support portion 411 can be shortened, thereby reducing the height of the entire motor assembly 4 in the body 1, thereby reducing the center of gravity of the motor assembly 4, making the whole machine work more stable, and further reducing the generation of noise.

[0048] Embodiment 2: In this embodiment, the vertical height of the support portion 411 from the top surface of the lower bracket 42 to the support seat 5 is greater than the vertical width of the lower bracket 42, so that the lower bracket 42 is suspended above the support seat 5, that is, when the support portion 411 is supported above the support seat 5, the height of the entire motor assembly 4 supported by the support portion 411 is greater than the height of the lower bracket 42 from the top surface of the support seat 5, thereby achieving non-contact between the lower bracket 42 and the support seat 5.

[0049] As a preferred embodiment of the present application, Figure 1 As shown, the food processor further comprises a residual water box 6 , a cavity 51 is formed below the support seat 5 , and the residual water box 6 is placed in the cavity 51 .

[0050] By forming an air-avoiding cavity 51 under the support base 5, the residual water box 6 is placed in the air-avoiding cavity 51, so that the support base 5 can realize the formation of the air-avoiding cavity 51 while installing the motor assembly 4, thereby realizing the placement of the residual water box 6, eliminating the need to set up additional structural components to form the air-avoiding cavity 51, thereby improving the compactness of the overall structure, helping to reduce the occupied space of the overall machine, and improving the user experience.

[0051] As a preferred embodiment of the present application, Figure 3 As shown, the lower bracket 42 is fixed below the upper bracket 41 , and the lower bracket 42 is located inside the supporting portion 411 .

[0052] By arranging the lower bracket 42 to be located inside the support portion 411, it is avoided that the lower bracket 42 has a large radial dimension and extends to the outside of the support portion 411, which causes the need to set an escape portion on the lower bracket 42 to escape the support portion 411, resulting in a complex structure of the lower bracket 42. At the same time, it is avoided that the lower bracket 42 and the support portion 411 contact each other, resulting in collision noise between the two during operation, and the generation of noise is further reduced.

[0053] Furthermore, if Figure 6As shown, the upper bracket 41 is further provided with a fixing portion 412 extending downward and fixedly connected to the lower bracket 42 , and the vertical width of the fixing portion 412 is smaller than the vertical width of the supporting portion 411 .

[0054] By setting the vertical width of the fixing portion 412 to be smaller than the vertical width of the supporting portion 411, after the fixing portion 412 is fixedly connected to the lower bracket 42, the bottom end of the lower bracket 42 is located above the bottom end of the supporting portion 411. Therefore, after the supporting portion 411 is positioned, the lower bracket 42 can be suspended above the supporting seat 5, thereby avoiding contact between the lower bracket 42 and the supporting seat 5, and further avoiding vibration noise caused by contact between the lower bracket 42 and the supporting seat 5.

[0055] As a preferred embodiment of the present application, Figure 1 As shown, an inner cylinder 8 is further provided in the housing 11 , and the inner cylinder 8 and the upper bracket 41 are enclosed to form a mounting cavity 111 , and the bottom end of the inner cylinder 8 is pressed onto the upper bracket 41 .

[0056] By arranging the inner cylinder 8 in the casing 11, the inner cylinder 8 and the support portion 411 are enclosed to form an installation cavity 111, so that the inner cylinder 8 can limit the motor assembly 4 while the installation cavity 111 formed in the inner cylinder 8 realizes the first layer of noise reduction for the cup body assembly 2, and a second layer of noise reduction is formed between the inner cylinder 8 and the casing 11, so that when the user uses the food processor to process food, the noise generated in the cup body assembly 2 can be repeatedly rebounded in the installation cavity 111 under the isolation of the inner cylinder 8, thereby greatly reducing the energy of the noise and further reducing the volume of the noise propagating outward. At the same time, the cavity formed between the inner cylinder 8 and the casing 11 can further weaken the noise. The installation cavity 111 and the noise reduction of the inner cylinder 8 and the outer casing can achieve double noise reduction of the noise generated by the cup body assembly 2, which helps to further improve the noise reduction effect.

[0057] Furthermore, a buffer pad is sandwiched between the inner tube 8 and the upper bracket 41 .

[0058] By clamping a buffer pad between the inner cylinder 8 and the upper bracket 41, flexible isolation between the upper bracket 41 and the inner cylinder 8 is achieved, thereby effectively avoiding the transmission of vibration on the motor assembly 4 to the inner cylinder 8, thereby reducing the transmission of the inner cylinder 8 to the entire machine, further reducing the generation of noise resonance, and avoiding the direct contact between the two to generate collision noise.

[0059] The technical solution protected by the present utility model is not limited to the above-mentioned embodiments. It should be pointed out that the combination of the technical solution of any embodiment with the technical solution of one or more other embodiments is within the protection scope of the present utility model. Although the present utility model has been described in detail above with general descriptions and specific embodiments, it is obvious to those skilled in the art that some modifications or improvements can be made to it based on the present utility model. Therefore, these modifications or improvements made without departing from the spirit of the present utility model are within the scope of protection claimed by the present utility model.

Claims

1. A food processing machine with high assembly precision, comprising a machine body, a cup assembly provided on the machine body and having a grinding chamber, a grinding device provided in the grinding chamber, and a motor assembly provided below the cup assembly and drivingly connected to the grinding device, wherein the machine body comprises a housing formed with an installation chamber, the cup assembly is detachably provided in the installation chamber, and is characterized in that: The motor assembly includes an upper bracket, a lower bracket and a motor body. The upper bracket and the lower bracket are combined to form a accommodating cavity. The motor body is accommodated in the accommodating cavity. A support seat is provided under the motor assembly. The upper bracket is provided with a supporting portion supported by the support seat, and the lower bracket is not in contact with the support seat.

2. A food processing machine with high assembly accuracy according to claim 1, characterized in that: The projections of the lower bracket and the supporting portion on a horizontal plane do not overlap.

3. A food processing machine with high assembly precision according to claim 1, characterized in that: A shock-absorbing pad is provided between the support portion and the support seat to isolate the two, so that the motor assembly is floatably mounted on the support seat.

4. A food processing machine with high assembly accuracy according to claim 3, characterized in that: The support portion includes a support column extending downward from the upper bracket, the top wall of the support seat is provided with a mounting groove matched with the support column, and the shock-absorbing pad is arranged between the support column and the mounting groove.

5. A food processing machine with high assembly accuracy according to claim 1, characterized in that: The top wall of the support seat is formed with a concave cavity, the lower bracket is located in the cavity, and the depth of the cavity is greater than the vertical height of the lower bracket, so that the lower bracket is suspended in the cavity; or, The vertical height of the support portion from the top surface of the lower bracket to the support seat is greater than the vertical width of the lower bracket, so that the lower bracket is suspended above the support seat.

6. A food processing machine with high assembly accuracy according to claim 1, characterized in that: The food processor also includes a residual water box. A cavity is formed below the support seat, and the residual water box is placed in the cavity.

7. A food processing machine with high assembly accuracy according to claim 1, characterized in that: The lower bracket is fixed below the upper bracket, and the lower bracket is located inside the supporting part.

8. A food processing machine with high assembly accuracy according to claim 7, characterized in that: The upper bracket is further provided with a fixing portion extending downward and connected to the lower bracket, and the vertical width of the fixing portion is smaller than the vertical width of the supporting portion.

9. A food processing machine with high assembly accuracy according to claim 1, characterized in that: An inner cylinder is also provided in the housing, and the inner cylinder and the upper bracket are enclosed to form the installation cavity, and the bottom end of the inner cylinder is pressed on the upper part of the upper bracket.

10. A food processing machine with high assembly accuracy according to claim 9, characterized in that: A buffer pad is also clamped between the inner tube and the upper bracket.

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