A device for grinding the internal grooves of polygonal sockets used in the production of wrenches.

Abstract

This invention discloses an internal groove grinding device for producing polygonal sockets for wrenches. Applying the field of wrench socket processing technology, this invention uses a drive assembly to drive teeth that rotate a storage chamber structure. The storage chamber structure's baffle opens to expose the previously hidden storage component, allowing the device to discharge abrasive material for grinding the sockets from inside the grinding drum. During discharge, the abrasive and sockets are not discharged simultaneously, reducing the screening process and improving grinding efficiency. By setting up a drive assembly to drive teeth, a storage chamber structure, and a pushing mechanism, and utilizing existing drive structures, this invention achieves the following: screening and pushing of abrasive and workpieces; active discharge of workpieces after grinding; lifting of abrasive during grinding to improve efficiency; and blocking and preventing leakage of the storage component during workpiece and abrasive screening, as well as active discharge of material before the next grinding cycle. This increases the utilization rate of the drive components and realizes multiple functional applications.

Description

Technical Field

[0001] This invention belongs to the field of wrench sleeve processing technology, and specifically relates to a device for grinding the internal grooves of polygonal sleeves for producing wrenches. Background Technology

[0002] A socket wrench is generally called a socket. It consists of multiple sockets with hexagonal or dodecagonal holes and is equipped with a handle, extension bar, and other accessories. It is especially suitable for tightening bolts or nuts in very narrow or deeply recessed positions.

[0003] The inner groove of a socket wrench is divided into hexagonal, octagonal, and dodecagonal shapes, collectively referred to as a multi-faceted socket. The socket and connecting rod of a socket wrench are processed separately before assembly. Currently, in the processing of socket wrench sockets, in order to smooth out the burrs on the socket and to prevent rust on the socket surface from reducing the adhesion of subsequent electroplating, a grinding device is used to grind the surface and inner groove of the socket. Existing grinding devices adopt a roller structure design, which is filled with abrasive. By placing the socket into the roller and mixing it with the abrasive, the rotation of the socket drives the internal abrasive to contact the socket, thus forming a grinding process.

[0004] Currently, CN105033837B discloses a nail polishing machine, including a base with a motor and a reducer mounted on it. A roller is rotated on the base by the reducer. The roller's structure includes a cylinder with a central shaft passing through it and an opening. It also includes a cover plate and a sieve plate. Several rollers are provided, each of which can be hoisted onto the base via two open bearings supporting the ends of the roller's central shaft. The reducer's output shaft is linked to the roller's central shaft via an upper and lower insert coupling. An anti-axial movement assembly is provided on the outside of the open bearings away from the reducer to prevent the roller's central shaft from moving axially away from the reducer. This nail polishing machine significantly improves production efficiency while greatly reducing worker labor intensity. Furthermore, the inclusion of baffles and cloth covers to prevent polishing material from being thrown outwards from the rollers greatly reduces dust around the equipment.

[0005] In summary, the aforementioned existing technologies reduce dust during the polishing process and prevent polishing materials from flying outwards, but they still have the following drawbacks;

[0006] Firstly, in the aforementioned existing technology, the workpiece to be ground and the abrasive are simultaneously fed into the drum. After grinding, the workpiece and the abrasive cannot be separated within the drum. During discharge, the abrasive and workpiece need to be discharged simultaneously. A separate process for separating the abrasive and workpiece is required after grinding, which affects processing efficiency. Secondly, it uses structures such as cloth covers and baffles for shielding. The overall baffle is not powered, making it inconvenient to open and close the drum. Although there are structures on the market that can use a drive structure to open the baffle or the compartment door, the overall structure is simple. The drive component for opening the compartment door or baffle can only perform the closing operation of the compartment door or baffle, resulting in low utilization of the drive component. Summary of the Invention

[0007] The purpose of this invention is to address the existing grinding device for grinding the grooves inside the polygonal sleeve used in producing wrenches. Its advantage is that it solves the problems of existing grinding devices being unable to separate the workpiece and abrasive inside the drum and having low utilization of the drive components for opening and closing the door or baffle.

[0008] The above-mentioned technical objective of the present invention is achieved through the following technical solution: a device for grinding the internal grooves of polygonal sockets for wrenches, comprising a base, a grinding roller on the top of the base, a door structure inside the grinding roller, a plurality of teeth inside the grinding roller, a drive assembly and a storage assembly inside the grinding roller, a pushing mechanism inside the grinding roller, a linkage mechanism on the top of the base for driving the grinding roller to rotate, and two positioning plates bolted to the top of the base, each of the two positioning plates having a rotating rod rotatably connected to it via bearings. Both rotating rods are bolted to the grinding drum on the side closest to it. The positioning plate is provided to support the grinding drum, and the rotating rods assist in the rotation of the grinding drum. When the grinding drum needs to rotate, the rotating rods are driven to rotate through the linkage mechanism, thereby driving the grinding drum to rotate. The rotation of the grinding drum can drive the abrasive and the wrench sleeve inside to rotate, allowing the abrasive to grind the sleeve. The surface of the grinding drum has an external opening to facilitate the insertion and removal of the sleeve from the inside of the grinding drum.

[0009] By adopting the above technical solution, and by setting up a drive component, the drive component drives the tooth, chamber door structure and pusher mechanism to move, thereby realizing the separation of abrasive and workpiece inside the grinding drum after grinding, the active push of workpiece during discharge, and the active discharge of abrasive during the next grinding operation.

[0010] The present invention is further configured such that: the door structure includes a door, an inner cylinder and a baffle plate; the surface of the door is fixedly installed with a plurality of teeth; the surface of the inner cylinder is fixedly bolted to the inside of the grinding roller; the surface of the inner cylinder has an inner opening; the baffle plate is located inside the inner opening; and the side of the baffle plate near the door is bolted to the door.

[0011] The above technical solution incorporates a door structure to facilitate the sealing and opening of the grinding drum for material feeding and discharging, as well as to allow abrasive to enter the storage assembly while preventing it from entering. During abrasive discharge, the door, driven by the drive assembly and gears, synchronously moves the baffle plate. As the door opens, the baffle plate gradually separates from the screen. If the storage assembly is at the bottom and remains straight, the abrasive can pass through the screen into the storage chamber. During this process, the baffle plate also seals the inner opening, preventing abrasive and sleeve from falling out of the grinding drum. If abrasive is present inside the sleeve, the drive assembly can repeatedly push the sleeve without separating it from the inner opening, thus allowing the abrasive to separate from the sleeve and enter the storage chamber. When placing a workpiece, the linkage mechanism drives the outer opening of the grinding drum to open. Figure 9 In the designated state, the drive assembly drives the teeth to open the chamber door and inner opening, allowing the sleeve to be inserted. During discharge, the grinding roller is adjusted to the desired position via the linkage mechanism. Figure 13 In this state, the drive component drives the bin door structure to open, and the bin door structure can synchronously drive the pushing mechanism to rotate, thereby pushing out the sleeve inside the grinding roller after grinding to complete the unloading.

[0012] The present invention is further configured such that: the drive assembly includes a protective shell, a drive motor, a gear, and a rotating rod; the surface of the protective shell is bolted to the interior of the grinding drum; the drive motor is installed inside the protective shell; the surface of the rotating rod is fixedly sleeved to the interior of the gear; the output end of the drive motor is installed to one end of the rotating rod via a coupling; and the surface of the gear meshes with the teeth.

[0013] In order to meet the requirements of opening and closing the chamber door, facilitating the separation of abrasive and sleeve inside the grinding drum, and actively discharging the polished abrasive after grinding, a drive assembly is set up as the drive component of the chamber door. The drive assembly mainly drives the rotating rod through the drive motor to drive the gear to rotate. The gear drives the teeth that mesh with it to rotate, thereby driving the chamber door to rotate around the center point of the grinding drum, controlling the opening and closing of the chamber door. During the rotation of the chamber door, the baffle plate and the pushing mechanism can also be driven to rotate. By using the drive component, the opening and closing of the grinding drum can be controlled, the screening of abrasive and sleeve can be achieved, and the function of opening the door to push out the polished abrasive can be realized. This effectively increases the utilization rate of the drive assembly and can meet more functions compared with the existing technology.

[0014] The present invention is further configured such that: the pushing mechanism includes a first push plate, a buffer chamber is provided on one side of the first push plate, a spring is provided inside the buffer chamber, a guide block is bolted to one end of the spring through a spring fixing member, a second push plate is bolted to the side of the guide block away from the spring, the side of the second push plate away from the guide block is chamfered, the end of the spring away from the guide block is bolted to the first push plate through a spring fixing member, two connecting rods are bolted to the other side of the first push plate, the ends of the two connecting rods near the baffle plate are bolted to the baffle plate, and the two sides of the connecting rods are in contact with the two sides of the inner cavity of the grinding roller.

[0015] Using the above technical solution, the pushing mechanism is designed to move synchronously with the movement of the baffle plate. Since the baffle plate rotates, the pushing mechanism also rotates with it during discharge. During discharge, the pushing mechanism, rotating synchronously with the baffle plate, can push out the sleeve inside the grinding drum. Before discharge, the abrasive and sleeve need to be separated inside the grinding drum. During separation, the storage component is positioned... Figure 12 In the storage chamber, the abrasive passes through a sieve and enters the interior. Driven by the drive assembly, the baffle plate reciprocates, pushing the abrasive and sleeve together to filter out the abrasive from inside the sleeve and into the storage chamber. At this point, the pushing mechanism limits the movement of the abrasive and sleeve. When the grinding drum rotates counter-clockwise for agitation and grinding, the pushing mechanism pushes the abrasive and sleeve upwards, allowing them to roll downwards, thus improving grinding efficiency. During discharge, the pushing mechanism moves with the rotating chamber door, pushing the sleeve through the grinding drum. As the drive assembly drives the teeth to rotate and open the chamber door, the door rotates the baffle plate, which in turn rotates the pushing mechanism. When the inner opening is open, the pushing mechanism follows the rotation of the baffle plate to push the sleeve out of the grinding drum's interior (see diagram).

[0016] The present invention is further configured such that: the storage component includes a sieve and a storage chamber, the sieve is installed inside the storage chamber, the surface of the storage chamber is fixedly sleeved with the inside of the grinding roller, and the top of the sieve is in contact with a baffle plate.

[0017] The purpose of setting up the storage component in the above technical solution is to screen the abrasive and the sleeve. Specifically, the screen mesh size is larger than that of the abrasive and smaller than that of the sleeve. The abrasive can pass through the screen and enter the storage chamber, while the sleeve cannot pass through the screen. The storage chamber is used to store the abrasive. The storage component, together with the linkage mechanism, drives the grinding drum to rotate. The drive component drives the chamber door structure to rotate, and can also realize the discharge of the stored abrasive back into the grinding drum (the specific discharge process will be explained in detail through the working principle).

[0018] The invention is further configured such that: a storage groove is provided inside the grinding roller, and the compartment door slides inside the storage groove.

[0019] In order to ensure that the door has sufficient space when it is opened, a storage slot is provided to store the door using the above technical solution. The size of the storage slot and the inner opening can be adjusted as needed, and the position of the pushing mechanism can also be adjusted according to the size of the inner opening. There are no restrictions on the size of the storage slot and the inner opening in the figure, nor are there any restrictions on the position of the pushing mechanism in the figure.

[0020] The invention is further configured such that: a groove is formed on the surface of the inner cylinder, and a slider is slidably connected inside the groove, with the side of the slider near the door being bolted to the door.

[0021] In order to ensure the stability of the opening and closing of the compartment door, a slide and a slider are set to guide the rotation of the compartment door, thereby increasing the stability of the compartment door when it is driven by the driven components and teeth.

[0022] In summary, the present invention has the following beneficial effects:

[0023] 1. By setting a drive component to drive the teeth to rotate the chamber door structure, the baffle of the chamber door structure opens to expose the storage component, so that the device can discharge the abrasive used for grinding the sleeve inside the grinding drum. It is not necessary to discharge the abrasive and the sleeve simultaneously when the grinding is completed, thereby reducing some processes and improving the grinding efficiency of the device. Furthermore, when the next grinding operation is carried out, the abrasive stored in the storage component can be discharged back into the grinding drum with the cooperation of the drive component and the chamber door structure.

[0024] 2. By setting up drive components to drive the teeth, the gate structure, and the pushing mechanism, and utilizing existing drive structures, the following functions are achieved: screening and pushing abrasive and workpieces; active discharge of workpieces after grinding; lifting of abrasive during grinding to improve grinding efficiency; blocking and leakage of storage components when screening workpieces and abrasive; and active discharge of materials before the next grinding cycle. This achieves multiple functions without increasing the utilization rate of drive components, thus improving the efficiency and convenience of using the grinding device. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the present invention;

[0026] Figure 2 This is a cross-sectional view of the present invention;

[0027] Figure 3 This is a schematic diagram of the driving component of the present invention;

[0028] Figure 4 This is a schematic diagram of the connection between the teeth and the door of the present invention;

[0029] Figure 5 This is a schematic diagram of the feeding mechanism of the present invention;

[0030] Figure 6 This is a schematic diagram of the connection between the push plate and the connecting rod of the present invention;

[0031] Figure 7 This is a schematic diagram of the storage component of the present invention;

[0032] Figure 8 This is a schematic diagram of the linkage mechanism of the present invention;

[0033] Figure 9 This is a schematic diagram of the sleeve being inserted according to the present invention;

[0034] Figure 10 This is a schematic diagram of the compartment door closing according to the present invention;

[0035] Figure 11 This is a schematic diagram of the stirring and polishing process of the present invention;

[0036] Figure 12 This is a schematic diagram of the abrasive discharge of the present invention;

[0037] Figure 13 This is a schematic diagram of the sleeve discharge of the present invention;

[0038] Figure 14 This is a schematic diagram of the abrasive being reintroduced according to the present invention.

[0039] Reference numerals: 1. Base; 2. Grinding roller; 3. Door structure; 31. Door; 32. Inner cylinder; 33. Baffle plate; 34. Inner opening; 4. Tooth; 5. Drive assembly; 51. Protective shell; 52. Drive motor; 53. Gear; 54. Rotating rod; 6. Storage assembly; 61. Storage bin; 62. Screen; 7. Pushing mechanism; 71. Push plate one; 72. Buffer bin; 73. Spring; 74. Guide block; 75. Push plate two; 76. Connecting rod; 8. Linkage mechanism; 81. Linkage motor; 82. Connecting rod; 83. Belt pulley one; 84. Belt pulley two; 9. Storage groove; 10. Slide groove; 11. Slider; 12. Positioning plate; 13. Rotating rod; 14. Outer opening. Detailed Implementation

[0040] The present invention will be further described in detail below with reference to the accompanying drawings.

[0041] Example 1:

[0042] refer to Figure 1-14A device for grinding the internal grooves of polygonal sockets for wrenches includes a base 1, a grinding roller 2 on the top of the base 1, a door structure 3 inside the grinding roller 2, several teeth 4 inside the grinding roller 2, a drive assembly 5 and a storage assembly 6 inside the grinding roller 2, a pushing mechanism 7 inside the grinding roller 2, and a linkage mechanism 8 on the top of the base 1 for driving the grinding roller 2 to rotate. The linkage mechanism 8 includes a linkage motor 81, a connecting rod 82, a first pulley 83 and a second pulley 84. The output end of the linkage motor 81 extends through to the outside of a positioning plate 12 and is bolted to the connecting rod 82 via a coupling. The interior of the first pulley 83 is fixedly sleeved with the surface of the connecting rod 82. The surface of the grinding roller 2 is connected to the second pulley 84 via a belt. The interior of the second pulley 84 is fixedly sleeved with the surface of the rotating rod 13. The interior of the positioning plate 12 is rotatably connected to the surface of the linkage motor 81 via a bearing. Through the setting of the linkage mechanism 8, the grinding roller 2 is driven to rotate, so that the grinding roller 2 can rotate to generate friction between the abrasive and the sleeve, thereby realizing the internal and external grinding of the sleeve. Specifically, after the sleeve and abrasive are completely placed inside the grinding roller 2, the drive assembly 5 drives the door structure 3 to close the door, the linkage motor 81 starts and drives the connecting rod 82 and the first pulley 83 to rotate. The first pulley 83 drives the second pulley 84 to rotate via a belt, and the rotation of the second pulley 84 can drive the rotating rod 13 to rotate, thereby achieving the grinding of the sleeve. The rotating rod 13 drives the grinding roller 2 and the abrasive and sleeve inside the grinding roller 2 to rotate. Two positioning plates 12 are bolted to the top of the base 1. Each positioning plate 12 has a rotating rod 13 rotatably connected to it via bearings. The side of each rotating rod 13 closest to the grinding roller 2 is bolted to the grinding roller 2. The positioning plates 12 are designed to support the grinding roller 2, and the rotating rods 13 assist in rotating the grinding roller 2. When the grinding roller 2 needs to rotate, the linkage mechanism 8 drives the rotating rods 13 to rotate, thereby rotating the grinding roller 2. The rotation of the grinding roller 2 causes the abrasive and the wrench sleeve inside it to rotate, allowing the abrasive to grind the sleeve. The surface is provided with an external opening 14. The external opening 14 is provided to facilitate the insertion and discharge of the sleeve into the grinding drum 2. The drive assembly 5 drives the teeth 4 to rotate the door structure 3. The baffle 33 of the door structure 3 opens to expose the storage assembly 6, so that the device can discharge the abrasive used for grinding the sleeve inside the grinding drum 2. It is not necessary to discharge the abrasive and the sleeve simultaneously when the grinding is completed, thereby reducing some processes and improving the grinding efficiency of the device. Furthermore, when the next grinding operation is carried out, the abrasive stored in the storage assembly 6 can be discharged back into the grinding drum 2 with the cooperation of the drive assembly 5 and the door structure 3.By configuring the drive assembly 5 to drive the teeth 4, the gate structure 3, and the pushing mechanism 7, and utilizing existing drive structures, the following functions are achieved: screening and pushing of abrasive and workpieces; active discharge of workpieces after grinding; lifting of abrasive during grinding to improve grinding efficiency; blocking and preventing leakage of the storage assembly 6 during workpiece and abrasive screening; and active discharge of materials before the next grinding cycle. This achieves multiple functions without increasing the utilization rate of the drive components, thus improving the efficiency and convenience of the grinding device.

[0043] Furthermore, the gate structure 3 includes a gate 31, an inner cylinder 32, and a baffle plate 33. The surface of the gate 31 is fixedly installed with several teeth 4. The surface of the inner cylinder 32 is fixedly bolted to the inside of the grinding roller 2. An inner opening 34 is opened on the surface of the inner cylinder 32. The baffle plate 33 is located inside the inner opening 34. The side of the baffle plate 33 closest to the gate 31 is bolted to the gate 31. The gate structure 3 is provided to seal and open the grinding roller 2 for material feeding and discharging, and also to facilitate the entry of abrasive into the storage component 6 and prevent abrasive from entering the storage component 6. When discharging abrasive, the gate 31 can synchronously drive the baffle plate 33 under the drive of the drive component 5 and the teeth 4. As the chamber door 31 opens, the baffle 33 gradually separates from the screen 62. If the storage component 6 is at the bottom and remains straight, the abrasive can pass through the screen 62 and enter the storage chamber 61. During this process, the baffle 33 also blocks the inner opening 34, preventing the abrasive and sleeve from falling out of the grinding roller 2. If there is abrasive inside the sleeve, the drive component 5 can reciprocate multiple times without separating the baffle 33 from the inner opening 34, thereby pushing the sleeve to separate the abrasive from the sleeve and into the storage chamber 61. When placing the workpiece, the linkage mechanism 8 drives the outer opening 14 of the grinding roller 2 to be in position. Figure 9 In the current state, the drive component 5 drives the gear 4 to open the chamber door 31 and the inner opening 34, allowing the sleeve to be inserted. During discharge, the grinding roller 2 is adjusted to the desired position via the linkage mechanism 8. Figure 13 In the state, the drive component 5 drives the door structure 3 to open, and the door structure 3 can synchronously drive the pusher mechanism 7 to rotate, thereby pushing out the sleeve inside the grinding roller 2 after grinding to complete the unloading.

[0044] Furthermore, the drive assembly 5 includes a protective shell 51, a drive motor 52, a gear 53, and a rotating rod 54. The surface of the protective shell 51 is bolted to the inside of the grinding drum 2. The drive motor 52 is installed inside the protective shell 51. The surface of the rotating rod 54 is fixedly sleeved with the inside of the gear 53. The output end of the drive motor 52 is installed to one end of the rotating rod 54 via a coupling. The surface of the gear 53 meshes with the teeth 4. To facilitate the opening and closing of the chamber door 31, to facilitate the separation of abrasive and sleeve inside the grinding drum 2, and to facilitate the active feeding and discharging of materials after sleeve grinding, the drive assembly 5 is provided as the drive component of the chamber door 31. The drive component 5, as the driving component, mainly drives the rotating rod 54 through the drive motor 52, which in turn drives the gear 53 to rotate. The gear 53 drives the teeth 4 that mesh with it to rotate, which in turn drives the door 31 to rotate around the center point of the grinding drum 2, thus controlling the opening and closing of the door 31. During the rotation of the door 31, the baffle plate 33 and the pushing mechanism 7 can also rotate. By using the drive component of the drive component 5, the opening and closing of the grinding drum 2 can be controlled, while the screening of abrasive and sleeve can be achieved, as well as the function of opening the door and pushing out the ground abrasive. This effectively increases the utilization rate of the drive component 5 and can meet more functions compared with the existing technology.

[0045] Furthermore, the pushing mechanism 7 includes a push plate 71, with a buffer chamber 72 on one side of the push plate 71. A spring 73 is installed inside the buffer chamber 72. One end of the spring 73 is bolted to a guide block 74 via a spring fastener. A push plate 75 is bolted to the side of the guide block 74 away from the spring 73. The side of the push plate 75 away from the guide block 74 is chamfered. The end of the spring 73 away from the guide block 74 is bolted to the push plate 71 via a spring fastener. Two connecting rods 76 are bolted to the other side of the push plate 71, and the two connecting rods 76 are close to the baffle plate 3. One end of the connecting rod 76 is bolted to the baffle plate 33, and both sides of the connecting rod 76 contact the two sides of the inner cavity of the grinding drum 2. The pushing mechanism 7 is designed to move synchronously with the movement of the baffle plate 33. Since the baffle plate 33 rotates, the pushing mechanism 7 will also rotate with the baffle plate 33. During material discharge, the pushing mechanism 7 can push out the sleeve inside the grinding drum 2 by rotating synchronously with the baffle plate 33. Before material discharge, the abrasive and the sleeve need to be separated inside the grinding drum 2. When separating the abrasive and the sleeve, the storage component 6 is in position. Figure 12In the initial stage, the abrasive passes through the sieve 62 and enters the storage chamber 61. Driven by the drive assembly 5, the baffle 33 reciprocates between the abrasive and the sleeve, thus filtering out the abrasive inside the sleeve and allowing it to enter the storage chamber 61. At this time, the pushing mechanism 7 limits the movement of the abrasive and the sleeve. When the grinding drum 2 rotates counterclockwise for stirring and grinding, the pushing mechanism 7 pushes the abrasive and the sleeve upwards, allowing them to roll downwards, thus improving grinding efficiency. During discharge, the pushing mechanism 7 moves with the rotation of the chamber door 31. After grinding inside and outside the sleeve, the drive assembly 5 drives the teeth 4 to rotate and open the chamber door 31. The chamber door 31 rotates the baffle 33, which in turn rotates the pushing mechanism 7. When the inner opening 34 is open, the pushing mechanism 7 follows the rotation of the baffle 33 to push the sleeve out of the grinding drum 2. Figure 13 visible.

[0046] Furthermore, the storage component 6 includes a storage chamber 61 and a sieve 62. The sieve 62 is installed inside the storage chamber 61, and the surface of the storage chamber 61 is fixedly sleeved with the inside of the grinding roller 2. The top of the sieve 62 contacts the baffle plate 33. The purpose of setting up the storage component 6 is to screen the abrasive and the sleeve. Specifically, the aperture of the sieve 62 is larger than that of the abrasive and smaller than that of the sleeve. The abrasive can enter the storage chamber 61 through the sieve 62, while the sleeve cannot pass through the sieve 62. The storage chamber 61 is used to store the abrasive. The storage component 6, together with the linkage mechanism 8, drives the grinding roller 2 to rotate. The drive component 5 drives the chamber door structure 3 to rotate, and can also realize the discharge of the stored abrasive back into the interior of the grinding roller 2 (the specific discharge process will be explained in detail through the working principle).

[0047] Furthermore, the grinding roller 2 has a storage groove 9 inside, and the door 31 slides inside the storage groove 9. In order to ensure that the door 31 has a certain space when it is opened, the storage groove 9 is provided to store the door 31. The opening size of the storage groove 9 and the inner opening 34 can be adjusted as needed, and the position of the pushing mechanism 7 can also be adjusted according to the opening size of the inner opening 34. There are no restrictions on the size of the storage groove 9 and the inner opening 34 in the figure, nor are there any restrictions on the position of the pushing mechanism 7 in the figure.

[0048] Furthermore, a groove 10 is provided on the surface of the inner cylinder 32, and a slider 11 is slidably connected inside the groove 10. The side of the slider 11 closest to the door 31 is bolted to the door 31. In order to ensure the stability of the door 31 when it is opened and closed, the groove 10 and the slider 11 are provided to guide the rotation of the door 31, thereby increasing the stability of the door 31 when it is driven to rotate by the driven component 5 and the teeth 4.

[0049] Brief description of the usage process: First, the drive motor 52 and the linkage motor 81 of this device are controlled by the controller. Their output terminals can rotate forward or backward under the action of the controller.

[0050] First, the abrasive and sleeve are fed in. Then, the grinding drum 2 is driven to rotate by the linkage mechanism 8, so that the grinding drum 2 is in a position... Figure 9 In the current state, the drive motor 52 starts, driving the rotating rod 54 and gear 53 to rotate clockwise. The gear 53 meshes with the teeth 4, causing the door 31 to rotate. When the door 31 rotates, it drives the baffle 33 to rotate. Once the baffle 33 rotates to... Figure 9 In the current state, the worker can put the abrasive and the sleeve into the interior of the grinding drum 2 through the outer opening 14 and the inner opening 34; then the drive assembly 5 drives the chamber door 31 and the baffle plate 33 to reset the chamber door 31. During the reset process, the baffle plate 33 does not block the screen 62. Since the baffle plate 33 can block the inner opening 34, the problem of abrasive or sleeve leakage will not be considered in the next process of abrasive being discharged into the interior of the grinding drum 2. During this process, some abrasive will pass through the screen 62 and enter the interior of the storage chamber 61.

[0051] Then the linkage mechanism 8 starts again to drive the grinding roller 2 to rotate to Figure 14 state, Figure 14 In the current state, the storage component 6 is located on top of the grinding drum 2 and is in a vertical position. Its main function is to discharge the abrasive material from the storage chamber 61 into the interior of the grinding drum 2. When the grinding drum 2 is in a vertical position... Figure 14 When in the state, the abrasive material entering the storage chamber 61 will all enter the interior of the grinding drum 2 under the action of gravity. At this time, the drive component 5 can drive the chamber door 31 and the baffle plate 33 to fully reset. Then the linkage mechanism 8 continues to drive the grinding drum 2 to rotate so that the grinding drum 2 can stir and grind the abrasive and the sleeve.

[0052] After grinding is completed, the grinding roller 2 is driven to the position via the linkage mechanism 8. Figure 12 The abrasive and the sleeve are screened in the state; the drive assembly 5 drives the chamber door 31 and the baffle plate 33 to open. The baffle plate 33 exposes the screen 62 but does not separate from the inner cylinder 32. After the screen 62 is exposed, the abrasive enters the interior of the storage chamber 61 through the screen 62. In order to ensure that all the abrasive can enter the interior of the storage chamber 61, the drive assembly 5 can drive the chamber door 31 and the baffle plate 33 to reciprocate and rotate to push the sleeve to reciprocate, thereby facilitating the pushing out of the sleeve and the abrasive inside the sleeve.

[0053] After the abrasive and sleeve separate and enter the storage chamber 61, the material is discharged, and the grinding roller 2 is driven by the linkage mechanism 8 to be in a certain position. Figure 13State; Drive component 5 drives the bin door 31 and the baffle plate 33 to open. During the opening process of the bin door 31 and the baffle plate 33, the baffle plate 33 can synchronously drive the pushing mechanism 7 to rotate. As the baffle plate 33 moves, the pushing mechanism 7 can push the sleeve out of the interior of the grinding roller 2, thereby realizing material discharge as soon as the door is opened.

[0054] Then the grinding roller 2 is driven to the [location] via the linkage mechanism 8. Figure 9 Once the grinding roller is in the correct position, insert the sleeve to begin the next grinding cycle. Note that this should be done while the grinding roller 2 is in the correct position. Figure 14 In the state, the drive component 5 drives the chamber door 31 to rotate the baffle plate 33 so that the baffle plate 33 does not block the screen 62, so that the abrasive inside the storage chamber 61 can re-enter the grinding drum 2 and contact the sleeve. After the abrasive is put in, the drive component 5 drives the chamber door 31 to reset the baffle plate 33 to block the screen 62 and continue to stir and grind.

[0055] This specific embodiment is merely an explanation of the present invention and is not intended to limit the invention. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A device for grinding the internal grooves of polygonal sockets used in the production of wrenches, comprising a base (1), characterized in that, The base (1) has a grinding roller (2) on top, a door structure (3) inside the grinding roller (2), several teeth (4) inside the grinding roller (2), a drive assembly (5) and a storage assembly (6) inside the grinding roller (2), a pushing mechanism (7) inside the grinding roller (2), and a linkage mechanism (8) on top of the base (1) for driving the grinding roller (2) to rotate. The door structure (3) includes a door (31), an inner cylinder (32) and a baffle plate (33). The pushing mechanism (7) includes a push plate (71), and a buffer chamber (72) is opened on one side of the push plate (71). The inside of the punch chamber (72) is provided with a spring (73). One end of the spring (73) is bolted to a guide block (74) through a spring fixing member. The side of the guide block (74) away from the spring (73) is bolted to a push plate two (75). The side of the push plate two (75) away from the guide block (74) is chamfered. The end of the spring (73) away from the guide block (74) is bolted to a push plate one (71) through a spring fixing member. The other side of the push plate one (71) is bolted with two connecting rods (76). The ends of the two connecting rods (76) near the baffle plate (33) are bolted to the baffle plate (33). The two sides of the connecting rods (76) are in contact with the two sides of the inner cavity of the grinding roller (2). The drive assembly (5) includes a protective shell (51), a drive motor (52), a gear (53), and a rotating rod (54). The surface of the protective shell (51) is bolted to the inside of the grinding roller (2). The drive motor (52) is installed inside the protective shell (51). The surface of the rotating rod (54) is fixedly sleeved to the inside of the gear (53). The output end of the drive motor (52) is installed to one end of the rotating rod (54) through a coupling. The surface of the gear (53) meshes with the teeth (4). The storage component (6) includes a storage compartment (61) and a sieve (62). The sieve (62) is installed inside the storage compartment (61). The surface of the storage compartment (61) is fixedly connected to the inside of the grinding roller (2). The top of the sieve (62) is in contact with the baffle plate (33).

2. The device for grinding the inner groove of a polygonal sleeve for producing wrenches according to claim 1, characterized in that: The surface of the door (31) is fixedly installed with several teeth (4), the surface of the inner cylinder (32) is fixedly bolted to the inside of the grinding roller (2), the surface of the inner cylinder (32) is provided with an inner opening (34), the baffle (33) is located inside the inner opening (34), and the side of the baffle (33) near the door (31) is bolted to the door (31).

3. The device for grinding the inner groove of a polygonal sleeve for producing wrenches according to claim 2, characterized in that: The grinding roller (2) has a storage groove (9) inside, and the door (31) slides inside the storage groove (9).

4. The device for grinding the inner groove of a polygonal sleeve for producing wrenches according to claim 2, characterized in that: The inner cylinder (32) has a groove (10) on its surface, and a slider (11) is slidably connected inside the groove (10). The slider (11) is bolted to the door (31) on the side near the door (31).

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