Automatic grinding and polishing equipment for the inner cavity of a motor housing

Abstract

The present invention discloses an automatic grinding and polishing device for the inner cavity of a motor housing, which relates to the technical field of motor production, and comprises a base, a mounting frame is fixedly connected to the top of the base, an electric push rod is installed on the top of the mounting frame, a connecting frame is connected to the output end of the electric push rod, a grinding disc is arranged below the connecting frame, the motor housing is clamped and positioned at the top of the base by a clamping mechanism, the grinding disc is moved by a displacement mechanism, and the grinding disc is driven to rotate by a rotating mechanism. The present invention can adjust the positions of the first clamping rod and the second clamping rod according to the size of the motor housing by setting a clamping mechanism, so as to facilitate the clamping operation of motor housings of different sizes; by setting a displacement mechanism and a rotating mechanism, the connecting frame is driven to move up and down by the electric push rod, and the displacement of the connecting frame drives the rotating seat to move, thereby moving the grinding disc up and down, so as to facilitate the automatic grinding operation of the inner cavity of the motor housing.

Description

Technical Field

[0001] The invention relates to the technical field of motor production, in particular to automatic grinding and polishing equipment for the inner cavity of a motor housing. Background Art

[0002] When producing a motor, the motor housing needs to be surface treated to remove casting defects such as burrs and flash. When grinding and polishing the inner cavity of the housing, the operator needs to use a handheld grinder to grind the inner cavity of the motor housing. The operation is relatively complicated, and manual operation is prone to deviation, which affects the effect of grinding and polishing. In order to achieve the purpose of automatically grinding the inner cavity of the motor housing, an automatic grinding and polishing device for the inner cavity of the motor housing is provided. Summary of the invention

[0003] The purpose of the present invention is to provide an automatic grinding and polishing device for the inner cavity of a motor housing in order to achieve the purpose of automatically grinding the inner cavity of a motor housing.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic grinding and polishing device for the inner cavity of a motor housing comprises a base, a mounting frame is fixedly connected to the top of the base, an electric push rod is installed on the top of the mounting frame, the output end of the electric push rod is connected to the connecting frame, a grinding disc is arranged below the connecting frame, the motor housing is clamped and positioned at the top of the base by a clamping mechanism, the grinding disc is moved by a displacement mechanism, and the grinding disc is driven to rotate by a rotating mechanism; the clamping mechanism comprises a movable groove, the movable groove is symmetrically arranged at the top of the base, the inner wall of the movable groove is slidably connected to the movable frame, the inner part of the base is rotatably connected to a first threaded rod running through the movable frame, a first motor is installed on the outer wall of the base, the first threaded rod is connected to the output end of the first motor, an adjusting groove is arranged on the outer wall of the movable frame, the inner wall of the adjusting groove is slidably connected to the adjusting frame, one end of the movable frame is fixedly connected to a first clamping rod, and two ends of the adjusting frame are fixedly connected to second clamping rods.

[0005] As a further solution of the present invention: the clamping mechanism also includes a slide groove, which is opened at the bottom end of the adjusting groove, and the inner wall of the slide groove is slidably connected with a tooth plate, and a connecting spring is connected between the bottom end of the tooth plate and the slide groove, the interior of the movable frame is slidably connected with a support frame extending into the inner cavity of the slide groove, the outer wall of the support frame is fixedly connected with an elastic sheet, the interior of the movable frame is located at the bottom end of the support frame and is rotatably connected with a spur gear, the interior of the movable frame is located at the bottom end of the spur gear and is slidably connected with a slider, and the slider extends out of the movable frame.

[0006] As a further scheme of the present invention: the displacement mechanism includes a second motor, the second motor is installed on the inner wall of the connecting frame, the output end of the second motor is connected with a connecting shaft, the connecting shaft is rotatably connected to the connecting frame, the bottom end of the connecting shaft is fixedly connected with a rotating seat, the inner end of the rotating seat is symmetrically and slidably connected with a displacement block, the top of the displacement block is fixedly connected with a protrusion, and the grinding disc is rotatably installed on the bottom end of the displacement block. A displacement groove is provided inside the rotating seat for the displacement block and the protrusion to slide. The top of the displacement groove is provided with a vertical groove, the inner wall of the vertical groove is slidably connected with a lower pressure block, the bottom end of the lower pressure block is provided with a groove, and slots are symmetrically provided on the inner walls of both sides of the vertical groove, the inner part of the lower pressure block is slidably connected with an insertion block extending from the lower pressure block, and the outer wall of the lower pressure block is rotatably connected with a rotating column, one end of the rotating column is fixedly connected with a second threaded rod, and the second threaded rod extends into the interior of the insertion block.

[0007] As a further solution of the present invention: the rotating mechanism includes a third motor, the third motor is installed inside the rotating seat, the output end of the third motor is connected to a square rod, the interior of the displacement block is rotatably connected to a mounting shaft extending to the bottom of the displacement block, the grinding disc is fixedly connected to the bottom end of the mounting shaft, the top of the mounting shaft is fixedly connected to a first bevel gear, the interior of the displacement block is located on the outer wall of the first bevel gear and is rotatably connected to a second bevel gear, one end of the second bevel gear is fixedly connected to a rotating cylinder extending to the outer wall of the displacement block, one end of the rotating cylinder is provided with a square groove, and the square rod is slidably connected to the inner wall of the square groove.

[0008] As a further solution of the present invention: the outer wall of the movable frame fits with the inner wall of the movable groove, the outer wall of the movable frame is provided with a first threaded hole, the outer wall of the first threaded rod is symmetrically provided with external threads, and the external threads match the first threaded hole.

[0009] As a further solution of the present invention: the adjustment frame is C-shaped, the outer wall of the adjustment frame is in contact with the inner wall of the adjustment groove, the inner wall of the adjustment groove is fixedly connected to a limiting column, the outer wall of the adjustment frame is provided with a limiting hole, and the outer wall of the limiting column is in contact with the inner wall of the limiting hole.

[0010] As a further solution of the present invention: the top end of the tooth plate and the bottom end of the adjustment frame are both provided with tooth grooves that engage with each other, the inner wall of the slide groove is in contact with the outer wall of the tooth plate, the outer walls of the support frame and the sliding block are both provided with gear teeth, and the gear teeth are meshed with the spur gear.

[0011] As a further solution of the present invention: the inner wall of the vertical groove fits with the outer wall of the lower pressing block, and the outer wall of the protrusion fits with the inner wall of the groove.

[0012] As a further solution of the present invention: the inner wall of the slot fits with the outer wall of the insert block, the outer wall of the insert block is provided with a second threaded hole, and the second threaded hole matches the second threaded rod.

[0013] As a further solution of the present invention: the first bevel gear is meshed with the second bevel gear, and the outer wall of the square rod is fitted with the inner wall of the square groove.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. By setting a clamping mechanism, the position between the second clamping rod and the first clamping rod is pre-adjusted before clamping, and then the motor housing is placed between the two movable grooves. The operation of the first motor drives the movable frame to slide. At this time, the support frame is displaced into the slide groove and contacts with the bottom end of the toothed plate, so that the toothed plate cannot move downward. The toothed plate is engaged with the adjusting frame, thereby fixing the position between the second clamping rod and the first clamping rod. The movable frame moves so that the two groups of first clamping rods and second clamping rods contact the motor housing together, and the motor housing is clamped and fixed, which is convenient for clamping the motor housing on the base, and the positions of the first clamping rod and the second clamping rod can be adjusted according to the size of the motor housing, so as to facilitate the clamping operation of motor housings of different sizes.

[0016] 2. By setting a displacement mechanism and a rotating mechanism, the displacement block is pushed to adjust the position of the grinding disc, and the lower pressure block is pushed downward so that the protrusion is stuck in the groove to fix the position of the grinding disc; then the rotating column is rotated to drive the insertion block to be displaced and inserted into the slot to fix the position of the lower pressure block; at this time, the second motor can be started, and the operation of the second motor drives the grinding disc to move in a circle, and the connecting frame is driven by the electric push rod to move up and down, and the displacement of the connecting frame drives the rotating seat to move, thereby moving the grinding disc up and down, which is convenient for automatic grinding of the inner cavity of the motor housing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the present invention;

[0018] Figure 2 It is a schematic diagram of the internal structure of the base of the present invention;

[0019] Figure 3 It is a structural schematic diagram of the movable frame of the present invention;

[0020] Figure 4 It is a schematic diagram of the internal structure of the movable frame of the present invention;

[0021] Figure 5 is a schematic diagram of the installation of the second motor of the present invention;

[0022] Figure 6 It is a schematic diagram of the internal structure of the rotating seat of the present invention;

[0023] Figure 7 It is a schematic diagram of the internal structure of the lower pressing block of the present invention;

[0024] Figure 8 It is a schematic diagram of the internal structure of the displacement block of the present invention;

[0025] Fig. 9 It is a schematic structural diagram of the rotating cylinder and the square rod of the present invention.

[0026] In the figure: 1, base; 2, mounting frame; 3, electric push rod; 4, connecting frame; 5, grinding disc; 6, clamping mechanism; 601, movable groove; 602, movable frame; 603, first threaded rod; 604, first motor; 605, adjustment groove; 606, adjustment frame; 607, first clamping rod; 608, second clamping rod; 609, slide groove; 610, tooth plate; 611, connecting spring; 612, supporting frame; 613, elastic sheet; 614, spur gear; 615, slider; 7, displacement mechanism; 70 1. Second motor; 702. Connecting shaft; 703. Rotating seat; 704. Displacement block; 705. Bump; 706. Displacement groove; 707. Pressing block; 708. Groove; 709. Vertical groove; 710. Slot; 711. Insert; 712. Second threaded rod; 713. Rotating column; 8. Rotating mechanism; 801. Third motor; 802. Square rod; 803. Mounting shaft; 804. First bevel gear; 805. Second bevel gear; 806. Rotating cylinder; 807. Square groove; 9. Limiting column. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. The following is an explanation of an embodiment of the present invention based on the overall structure of the present invention.

[0029] See also Figures 1 to 9 In an embodiment of the present invention, an automatic grinding and polishing device for the inner cavity of a motor housing includes a base 1, a mounting frame 2 is fixedly connected to the top of the base 1, an electric push rod 3 is installed on the top of the mounting frame 2, the output end of the electric push rod 3 is connected to a connecting frame 4, two groups of grinding discs 5 are symmetrically arranged below the connecting frame 4, the motor housing is clamped and positioned at the top of the base 1 by a clamping mechanism 6, the grinding disc 5 is moved by a displacement mechanism 7, and the grinding disc 5 is driven to rotate by a rotating mechanism 8.

[0030] The clamping mechanism 6 includes a movable groove 601, which is symmetrically arranged at the top of the base 1. The inner wall of the movable groove 601 is slidably connected to a movable frame 602. The interior of the base 1 is rotatably connected to a first threaded rod 603 that runs through the movable frame 602. The outer wall of the base 1 is installed with a first motor 604, and the first threaded rod 603 is connected to the output end of the first motor 604. The outer wall of the movable frame 602 is provided with an adjustment groove 605, and the inner wall of the adjustment groove 605 is slidably connected to an adjustment frame 606. One end of the movable frame 602 is fixedly connected to a first clamping rod 607, and both ends of the adjustment frame 606 are fixedly connected to second clamping rods 608. The clamping mechanism 6 also includes a slide groove 609, which is opened at the bottom end of the adjustment groove 605. The inner wall of the slide groove 609 is slidably connected with a tooth plate 610, and a connecting spring 611 is connected between the bottom end of the tooth plate 610 and the slide groove 609. The interior of the movable frame 602 is slidably connected with a support frame 612 extending into the inner cavity of the slide groove 609, and the outer wall of the support frame 612 is fixedly connected with an elastic sheet 613. The interior of the movable frame 602 is located at the bottom end of the support frame 612 and is rotatably connected with a spur gear 614. The interior of the movable frame 602 is located at the bottom end of the spur gear 614 and is slidably connected with a slider 615, and the slider 615 extends out of the movable frame 602.

[0031] In this embodiment: before clamping the motor housing, the movable frame 602 is located at one end of the movable groove 601, and the slider 615 contacts the inner wall of the movable groove 601, and the displacement of the slider 615 drives the spur gear 614 to rotate, and the rotation of the spur gear 614 drives the support frame 612 to displace, and the support frame 612 moves out of the slide groove 609, so that the tooth plate 610 can slide up and down in the slide groove 609, so that the adjustment frame 606 can slide in the adjustment groove 605, and the elastic sheet 613 is in a squeezed state at this time; the motor housing is contacted with the first clamping rod 607, and then the adjustment frame 606 is pushed to slide in the adjustment groove 605, and the displacement of the adjustment frame 606 drives the second clamping rod 608 to displace, so that the two second clamping rods 608 and the first clamping rod 607 are all in contact with the motor housing, and at this time the tooth plate 610 is in contact with the adjustment frame 606 under the elastic force of the connecting spring 611, which can realize the temporary fixation of the position of the adjustment frame 606.

[0032] When the motor housing is clamped, the motor housing is placed between the two movable grooves 601, and then the first motor 604 is started. The operation of the first motor 604 drives the first threaded rod 603 to rotate, and the rotation of the first threaded rod 603 drives the movable frame 602 to slide in the movable groove 601. At this time, the slider 615 is separated from the movable groove 601, and the support frame 612 is displaced into the slide groove 609 by the elastic force of the elastic sheet 613 and contacts the bottom end of the tooth plate 610, so that the tooth plate 610 cannot move downward. The tooth plate 610 is engaged with the adjustment frame 606, thereby fixing the position between the second clamping rod 608 and the first clamping rod 607. The movable frame 602 moves so that the two groups of first clamping rods 607 and second clamping rods 608 contact the motor housing together, clamping and fixing the motor housing, making it convenient to clamp and fix the motor housing on the base 1, and the positions of the first clamping rod 607 and the second clamping rod 608 can be adjusted according to the size of the motor housing, so as to facilitate the clamping operation of motor housings of different sizes.

[0033] Please refer to Figures 5 to 7 The displacement mechanism 7 includes a second motor 701, which is mounted on the inner wall of the connecting frame 4. The output end of the second motor 701 is connected to a connecting shaft 702, which is rotatably connected to the connecting frame 4. The bottom end of the connecting shaft 702 is fixedly connected to a rotating seat 703, and a displacement block 704 is symmetrically slidably connected inside the rotating seat 703. A protrusion 705 is fixedly connected to the top of the displacement block 704. The grinding disc 5 is rotatably mounted on the bottom end of the displacement block 704, and a displacement groove 700 is provided inside the rotating seat 703 for the displacement block 704 and the protrusion 705 to slide. 06, a vertical groove 709 is provided at the top of the displacement groove 706, and a lower pressure block 707 is slidably connected to the inner wall of the vertical groove 709, and a plurality of grooves 708 arranged in a horizontal straight line with equal spacing are provided at the bottom of the lower pressure block 707, and slots 710 are symmetrically provided on the inner walls on both sides of the vertical groove 709, and an insert block 711 extending from the lower pressure block 707 is slidably connected inside the lower pressure block 707, and a rotating column 713 is rotatably connected to the outer wall of the lower pressure block 707, and a second threaded rod 712 is fixedly connected to one end of the rotating column 713, and the second threaded rod 712 extends into the interior of the insert block 711.

[0034] In this embodiment: when grinding the inner cavities of motor housings of different sizes, it is necessary to adjust the position of the grinding disk 5, push the lower pressure block 707 upward to separate the protrusion 705, and then push the displacement block 704 to slide in the displacement groove 706, so as to adjust the spacing position of the two grinding disks 5; after the adjustment is completed, push the lower pressure block 707 downward so that the protrusion 705 is stuck in the corresponding groove 708, fix the displacement block 704 and the protrusion 705, thereby completing the position adjustment of the grinding disk 5; then rotate the rotating column 713, the rotating column 713 rotates to drive the second threaded rod 712 to rotate, the second threaded rod 712 rotates to drive the insertion block 711 to move, the insertion block 711 is moved and inserted into the slot 710, and the position of the lower pressure block 707 is fixed.

[0035] At this time, the second motor 701 can be started. The operation of the second motor 701 drives the connecting shaft 702 to rotate. The rotation of the connecting shaft 702 drives the rotating seat 703 to rotate. The rotation of the rotating seat 703 drives the grinding disc 5 to move in a circle. The connecting frame 4 is driven by the electric push rod 3 to move up and down. The displacement of the connecting frame 4 drives the rotating seat 703 to move, thereby moving the grinding disc 5 up and down, so as to facilitate the grinding operation of the inner cavity of the motor housing by moving the grinding disc 5.

[0036] Please refer to Figures 6 to 9 The rotating mechanism 8 includes a third motor 801, which is installed inside the rotating seat 703. The output end of the third motor 801 is connected to a square rod 802. The internal rotation of the displacement block 704 is connected to a mounting shaft 803 extending to the bottom of the displacement block 704. The grinding disc 5 is fixedly connected to the bottom end of the mounting shaft 803. The top of the mounting shaft 803 is fixedly connected to a first bevel gear 804. The interior of the displacement block 704 is located on the outer wall of the first bevel gear 804 and is rotationally connected to a second bevel gear 805. One end of the second bevel gear 805 is fixedly connected to a rotating cylinder 806 extending to the outer wall of the displacement block 704. A square groove 807 is provided at one end of the rotating cylinder 806. The square rod 802 is slidably connected to the inner wall of the square groove 807.

[0037] In this embodiment: when driving the grinding disc 5 to rotate, the third motor 801 is started, and the third motor 801 drives the square rod 802 to rotate, the rotation of the square rod 802 drives the rotating cylinder 806 to rotate, the rotation of the rotating cylinder 806 drives the second bevel gear 805 to rotate, the rotation of the second bevel gear 805 drives the first bevel gear 804 to rotate, the rotation of the first bevel gear 804 drives the installation shaft 803 to rotate, the rotation of the installation shaft 803 drives the grinding disc 5 to rotate, and the grinding disc 5 rotates to perform a grinding operation on the inner cavity of the motor housing.

[0038] Please refer to Figure 1 to Figure 2The outer wall of the movable frame 602 is fitted with the inner wall of the movable groove 601, the outer wall of the movable frame 602 is provided with a first threaded hole, and the outer wall of the first threaded rod 603 is symmetrically provided with external threads, which match the first threaded hole.

[0039] In this embodiment, the operation of the first motor 604 drives the first threaded rod 603 to rotate, and the rotation of the first threaded rod 603 drives the movable frame 602 to slide in the movable groove 601 .

[0040] Please refer to Figure 3 to Figure 4 The shape of the adjustment frame 606 is C-shaped, the outer wall of the adjustment frame 606 fits with the inner wall of the adjustment groove 605, the inner wall of the adjustment groove 605 is fixedly connected to the limiting column 9, the outer wall of the adjustment frame 606 is provided with a limiting hole, and the outer wall of the limiting column 9 fits with the inner wall of the limiting hole.

[0041] In this embodiment, when the adjustment frame 606 slides in the adjustment slot 605 , the limiting column 9 slides in the limiting hole to limit the movement of the adjustment frame 606 .

[0042] Please refer to Figure 3 to Figure 4 The top end of the tooth plate 610 and the bottom end of the adjustment frame 606 are both provided with tooth grooves that engage with each other, the inner wall of the slide groove 609 is in contact with the outer wall of the tooth plate 610, and the outer walls of the support frame 612 and the slider 615 are both provided with gear teeth, which mesh with the spur gear 614.

[0043] In this embodiment, the movable frame 602 slides in the movable groove 601, and the slider 615 is separated from the movable groove 601. The support frame 612 is displaced into the slide groove 609 by the elastic force of the elastic sheet 613 and contacts the bottom end of the tooth plate 610, so that the tooth plate 610 cannot move downward. The tooth plate 610 is engaged with the adjustment frame 606, thereby fixing the position between the second clamping rod 608 and the first clamping rod 607. An inclined surface is provided on the upper surface of one end of the support frame 612 inserted into the slide groove 609, and the inclined surface can facilitate the support frame 612 to be inserted into the slide groove 609 more smoothly.

[0044] Please refer to Figures 5 to 7 The inner wall of the vertical groove 709 fits with the outer wall of the lower pressing block 707 , and the outer wall of the protrusion 705 fits with the inner wall of the groove 708 .

[0045] In this embodiment: the position of the grinding disc 5 is adjusted. After the adjustment is completed, the pressing block 707 is pushed downward so that the protrusion 705 is inserted into the groove 708, and the displacement block 704 and the protrusion 705 are fixed, thereby completing the position adjustment of the grinding disc 5.

[0046] Please refer to Figures 5 to 7The inner wall of the slot 710 fits with the outer wall of the insert block 711 , and the outer wall of the insert block 711 is provided with a second threaded hole, which matches the second threaded rod 712 .

[0047] In this embodiment, the rotating column 713 is rotated, and the rotating column 713 drives the second threaded rod 712 to rotate. The second threaded rod 712 drives the insert block 711 to move. The insert block 711 is moved and inserted into the slot 710 to fix the position of the lower pressing block 707.

[0048] Please refer to Figures 6 to 9 The first bevel gear 804 is meshed with the second bevel gear 805 , and the outer wall of the square rod 802 is in contact with the inner wall of the square groove 807 .

[0049] In this embodiment: the operation of the third motor 801 drives the square rod 802 to rotate, the rotation of the square rod 802 drives the rotating cylinder 806 to rotate, the rotation of the rotating cylinder 806 drives the second bevel gear 805 to rotate, the rotation of the second bevel gear 805 drives the first bevel gear 804 to rotate, the rotation of the first bevel gear 804 drives the installation shaft 803 to rotate, and the rotation of the installation shaft 803 drives the grinding disc 5 to rotate.

[0050] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic grinding and polishing device for the inner cavity of a motor housing, comprising a base (1), a mounting frame (2) being fixedly connected to the top of the base (1), an electric push rod (3) being installed on the top of the mounting frame (2), an output end of the electric push rod (3) being connected to a connecting frame (4), a grinding disc (5) being arranged below the connecting frame (4), characterized in that: The motor housing is clamped and positioned at the top of the base (1) by a clamping mechanism (6); the grinding disc (5) is moved by a displacement mechanism (7); and the grinding disc (5) is driven to rotate by a rotation mechanism (8); the clamping mechanism (6) comprises a movable groove (601), the movable groove (601) is symmetrically arranged at the top of the base (1), the inner wall of the movable groove (601) is slidably connected to a movable frame (602), and the interior of the base (1) is rotatably connected to a movable frame (602) that penetrates the movable frame (601). 2), a first motor (604) is installed on the outer wall of the base (1), the first threaded rod (603) is connected to the output end of the first motor (604), an adjustment groove (605) is opened on the outer wall of the movable frame (602), an adjustment frame (606) is slidably connected to the inner wall of the adjustment groove (605), one end of the movable frame (602) is fixedly connected to a first clamping rod (607), and both ends of the adjustment frame (606) are fixedly connected to second clamping rods (608); The clamping mechanism (6) further comprises a slide groove (609), wherein the slide groove (609) is provided at the bottom end of the adjusting groove (605), the inner wall of the slide groove (609) is slidably connected with a tooth plate (610), a connecting spring (611) is connected between the bottom end of the tooth plate (610) and the slide groove (609), the interior of the movable frame (602) is slidably connected with a support frame (612) extending into the inner cavity of the slide groove (609), the outer wall of the support frame (612) is fixedly connected with an elastic sheet (613), the interior of the movable frame (602) is located at the bottom end of the support frame (612) and is rotatably connected with a spur gear (614), the interior of the movable frame (602) is located at the bottom end of the spur gear (614) and is slidably connected with a slider (615), and the slider (615) extends out of the movable frame (602); The displacement mechanism (7) comprises a second motor (701), the second motor (701) is mounted on the inner wall of the connecting frame (4), the output end of the second motor (701) is connected to a connecting shaft (702), the connecting shaft (702) is rotatably connected to the connecting frame (4), the bottom end of the connecting shaft (702) is fixedly connected to a rotating seat (703), a displacement block (704) is symmetrically slidably connected inside the rotating seat (703), a protrusion (705) is fixedly connected to the top of the displacement block (704), the grinding disc (5) is rotatably mounted on the bottom end of the displacement block (704), and a space for the displacement block (704) and the protrusion (705) is provided inside the rotating seat (703). 05) a displacement groove (706) for sliding, the top of the displacement groove (706) is provided with a vertical groove (709), the inner wall of the vertical groove (709) is slidably connected to a lower pressing block (707), the bottom end of the lower pressing block (707) is provided with a groove (708), the inner walls of both sides of the vertical groove (709) are symmetrically provided with slots (710), the interior of the lower pressing block (707) is slidably connected to an insert block (711) extending from the lower pressing block (707), the outer wall of the lower pressing block (707) is rotatably connected to a rotating column (713), one end of the rotating column (713) is fixedly connected to a second threaded rod (712), and the second threaded rod (712) extends into the interior of the insert block (711).

2. The automatic grinding and polishing equipment for the inner cavity of a motor housing according to claim 1 is characterized in that: The rotating mechanism (8) comprises a third motor (801), the third motor (801) being mounted inside the rotating seat (703), the output end of the third motor (801) being connected to a square rod (802), the interior of the displacement block (704) being rotatably connected to a mounting shaft (803) extending below the displacement block (704), the grinding disc (5) being fixedly connected to the bottom end of the mounting shaft (803), the top end of the mounting shaft (803) being fixedly connected to a first bevel gear (804), the interior of the displacement block (704) being located on an outer wall of the first bevel gear (804) being rotatably connected to a second bevel gear (805), one end of the second bevel gear (805) being fixedly connected to a rotating cylinder (806) extending to the outer wall of the displacement block (704), one end of the rotating cylinder (806) being provided with a square groove (807), and the square rod (802) being slidably connected to the inner wall of the square groove (807).

3. The automatic grinding and polishing equipment for the inner cavity of a motor housing according to claim 1 is characterized in that: The outer wall of the movable frame (602) fits with the inner wall of the movable groove (601), the outer wall of the movable frame (602) is provided with a first threaded hole, and the outer wall of the first threaded rod (603) is symmetrically provided with external threads, which match the first threaded hole.

4. The automatic grinding and polishing equipment for the inner cavity of a motor housing according to claim 1 is characterized in that: The adjustment frame (606) is in a C-shape, the outer wall of the adjustment frame (606) is in contact with the inner wall of the adjustment groove (605), the inner wall of the adjustment groove (605) is fixedly connected to a limiting column (9), the outer wall of the adjustment frame (606) is provided with a limiting hole, and the outer wall of the limiting column (9) is in contact with the inner wall of the limiting hole.

5. The automatic grinding and polishing equipment for the inner cavity of a motor housing according to claim 1 is characterized in that: The top end of the tooth plate (610) and the bottom end of the adjustment frame (606) are both provided with tooth grooves that engage with each other, the inner wall of the slide groove (609) is in contact with the outer wall of the tooth plate (610), and the outer walls of the support frame (612) and the sliding block (615) are both provided with gear teeth, which mesh with the spur gear (614).

6. The automatic grinding and polishing equipment for the inner cavity of a motor housing according to claim 1 is characterized in that: The inner wall of the vertical groove (709) fits with the outer wall of the lower pressing block (707), and the outer wall of the protrusion (705) fits with the inner wall of the groove (708).

7. The automatic grinding and polishing equipment for the inner cavity of a motor housing according to claim 1 is characterized in that: The inner wall of the slot (710) fits with the outer wall of the insert block (711); the outer wall of the insert block (711) is provided with a second threaded hole, and the second threaded hole matches the second threaded rod (712).

8. The automatic grinding and polishing equipment for the inner cavity of a motor housing according to claim 2 is characterized in that: The first bevel gear (804) is meshed with the second bevel gear (805), and the outer wall of the square rod (802) is in contact with the inner wall of the square groove (807).

Images