Thread grinder

Abstract

This utility model relates to a thread grinding machine, including a base, a chuck and a tailstock for clamping workpieces, and a horizontally movable wheel frame. A grinding wheel spindle and a drive motor are mounted on the wheel frame. A material discharge hole is formed on the upper surface of the base between the chuck and the tailstock. A funnel-shaped material collection bin with openings at both the top and bottom is installed at the bottom of the material discharge hole. A cleaning brush adapted to the inner wall of the material collection bin is installed inside the bin. The cleaning brush is connected to the base via a horizontal slide, and one end of the cleaning brush is connected to the wheel frame. The cleaning brush moves synchronously with the wheel frame, cleaning debris adhering to the inner wall of the material collection bin. This utility model, by providing a material discharge hole on the base and installing a funnel-shaped material collection bin, utilizes the horizontal movement of the wheel frame to drive the synchronous movement of the cleaning brush, achieving periodic cleaning of the inner wall of the material collection bin, effectively avoiding equipment failure and reduced machining accuracy caused by debris accumulation.

Description

Technical Field

[0001] This utility model relates to the field of machining technology, and in particular to a thread grinding machine. Background Technology

[0002] In the field of machining, thread grinding machines, as a key precision machining equipment, are widely used in the manufacture of various threaded components due to the high-efficiency grinding characteristics of their forming grinding wheels. From high-precision thread gauges and thread rolling wheels to complex ball screws and worm gears, thread grinding machines can meet diverse industrial needs with their excellent machining capabilities. However, despite the many advantages of thread grinding machines in terms of machining accuracy and application range, a large amount of metal chips are inevitably generated during actual operation.

[0003] As the grinding process progresses, these metal shavings are scattered throughout the grinding machine and its surrounding environment. If these shavings are not removed promptly and effectively, they will gradually accumulate around the grinding machine. First, the accumulated metal shavings will hinder the normal operation of the grinding machine, such as clogging the coolant circulation system and affecting cooling efficiency. Second, the working environment filled with metal shavings is extremely harsh. Workers may suffer from respiratory diseases and other chronic health problems due to inhaling harmful dust containing metal shavings, seriously endangering their health. Utility Model Content

[0004] In order to overcome the problems of equipment operation obstacles and harsh working environment caused by the accumulation of metal debris in the actual use of existing thread grinding machines, this utility model provides a thread grinding machine that can clean up processing debris, so as to ensure the efficient operation of the thread grinding machine and the health of workers.

[0005] The technical solution is as follows: A thread grinding machine includes a base, on which a chuck and a tailstock are provided for clamping workpieces. The base also includes a horizontally movable wheel frame, on which a grinding wheel spindle and a drive motor are mounted. A material discharge hole is provided on the upper surface of the base in the area between the chuck and the tailstock. A funnel-shaped material collection bin with openings at both the top and bottom is installed at the bottom of the material discharge hole. A cleaning brush adapted to the inner wall of the material collection bin is provided inside the bin. The cleaning brush is connected to the base via a horizontal slide, and one end of the cleaning brush is connected to the wheel frame. The cleaning brush moves synchronously with the wheel frame and can clean the debris adhering to the inner wall of the material collection bin.

[0006] Furthermore, the collection bin consists of two inclined surfaces and two side surfaces, wherein the two inclined surfaces are arranged opposite to each other, and the two side surfaces are respectively connected to the two sides of the two inclined surfaces. The collection bin is a sandwich structure, and a magnetic plate is installed in the sandwich corresponding to the two inclined surfaces.

[0007] Furthermore, one of the inclined planes is close to the wheel frame, and the angle of inclination of the inclined plane is smaller than that of the other inclined plane.

[0008] Furthermore, the bottom of each of the two inclined surfaces is provided with a horizontal long groove connecting the interlayer, and a slider is slidably disposed in each of the two horizontal long grooves. The two sliders are respectively connected to the magnetic plates in the interlayer. A slide rail adapted to the slider is installed on the base. A horizontal through side hole is provided on each of the two sides, and the side hole allows the magnetic plates to pass through.

[0009] Furthermore, the two magnetic plates and the cleaning brush are connected by a wedge structure, which includes a box, a telescopic rod, and a contact block. One end of the box passes through the lower opening of the collection bin and is fixedly connected to the cleaning brush, while the opposite end forms a sliding hole. A spring is installed at the bottom of the sliding hole. One end of the telescopic rod is fitted into the sliding hole, and the other end is connected to the contact block. One side of the contact block forms an inclined surface I, and the opposite side forms an inclined surface II. The inclination direction of inclined surface I is opposite to that of inclined surface II. On the two magnetic plates, protrusions that interfere with the contact block are respectively provided on the side near inclined surface I. On the bottom of the collection bin, a release block that interferes with the contact block is provided on the side near inclined surface II. Tension springs are respectively provided at both ends of the two magnetic plates along a direction parallel to the horizontal groove, with one end of the tension spring connected to the magnetic plate and the other end connected to the base.

[0010] Furthermore, the contact block is provided with a horizontal through hole that is adapted to the release block.

[0011] Furthermore, a cloth bag is installed at the lower opening of the collection bin.

[0012] The beneficial effects of this utility model are:

[0013] 1. This utility model, by setting a material drop hole on the base and installing a funnel-shaped material collection bin, uses the horizontal movement of the wheel frame to drive the cleaning brush to move synchronously, thereby achieving regular cleaning of the inner wall of the material collection bin. This effectively avoids equipment failure and reduced processing accuracy caused by debris accumulation. At the same time, the automated cleaning function of the cleaning brush reduces the workload of manual cleaning by workers and the debris pollution in the working environment, reducing the health risks faced by workers due to contact with debris, and improving overall production efficiency and processing safety.

[0014] 2. The chips generated by the grinding wheel of this utility model will splash along the rotation direction of the grinding wheel and be carried to the inclined surface. When the inclination angle of the inclined surface is designed to be small, the rebound and splashing of chips are significantly reduced, and the scattered area of ​​chips in the collection bin is reduced, which further improves the chip collection efficiency.

[0015] 3. This utility model can effectively adsorb metal debris, especially iron debris, generated during processing by installing a magnetic plate in the interlayer of the collection bin. The presence of the magnetic plate allows the debris to be quickly adsorbed and fixed when it enters the collection bin, preventing the debris from moving or bouncing around in the bin and reducing the splashing and secondary pollution of debris during the cleaning process.

[0016] 4. The magnetic plate of this invention can slide along a horizontal groove and a slide rail, thereby realizing the movement function of the magnetic plate. When it is necessary to clean the debris adsorbed on the magnetic plate, the magnetic plate can extend out of the collection bin through the side hole for convenient and quick cleaning.

[0017] 5. This utility model enables the magnetic plate to automatically extend or retract as needed during the movement of the cleaning brush by setting up a telescopic rod and a contact block. When the contact block contacts the protrusion on the magnetic plate, the magnetic plate can be pushed out for easy cleaning; when the contact block contacts the release block at the bottom of the collection bin, the magnetic plate automatically retracts through the tension spring. This structure not only realizes the automated control of the magnetic plate, but also improves the accuracy and efficiency of the cleaning process.

[0018] In addition, the structure of the horizontal through hole provides a certain transition space after the release block and the inclined surface II of the contact block come into contact, preventing the contact block from being damaged by a hard collision after excessive displacement. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0020] Figure 2 This is a schematic diagram of the structure of the material collection bin and magnetic plate of this utility model.

[0021] Figure 3 This is a schematic diagram of the structure of the material collection bin and cleaning brush of this utility model.

[0022] Figure 4 This is a schematic diagram showing the connection between the cleaning brush and the wheel frame of this utility model.

[0023] Figure 5 This is a schematic diagram showing the positional relationship between the material collection bin, the slider, the cloth bag, and the tension spring of this utility model.

[0024] Figure 6 This is a structural schematic diagram of the inclined block structure and the release block of this utility model, wherein the box body is a cross-sectional structural diagram.

[0025] Figure 7 This is a schematic diagram of the sliding hole and limiting piece of this utility model.

[0026] Figure 8 This is a diagram showing the positional relationship between the present invention and the contact block / protrusion.

[0027] Component names and serial numbers in the diagram: 1_Base, 11_Discharge hole, 2_Chuck, 3_Tailstock, 4_Wheel frame, 5_Collection bin, 51_Inclined surface, 511_Side hole, 52_Side side, 521_Horizontal long groove, 6_Cleaning brush, 61_Horizontal slide, 62_Magnetic plate, 7_Inclined block structure, 71_Box body, 711_Sliding hole, 712_Limiting groove, 72_Telescopic rod, 721_Limiting piece, 73_Contact block, 731_Inclined surface I, 732_Inclined surface II, 733_Horizontal through hole, 74_Spring, 75_Protrusion, 76_Release block, 77_Tension spring, 8_Cloth bag, 9_Slider, 91_Slide rail. Detailed Implementation

[0028] The present invention will now be described in detail with reference to the accompanying drawings.

[0029] The thread grinding machine provided in this embodiment of the utility model, such as Figures 1 to 8 As shown, the thread grinder is mainly used for processing various threaded components. It includes a base 1, on which a chuck 2 and a tailstock 3 are mounted for fixing the workpiece for processing. A wheel frame 4 is also provided, which can move horizontally on the base 1. A grinding wheel spindle and a drive motor are mounted on the wheel frame 4. A grinding wheel is mounted on the grinding wheel spindle. The grinding wheel rotates under the drive of the drive motor to process the workpiece held between the chuck 2 and the tailstock 3.

[0030] In one specific embodiment, reference Figures 1 to 4 On the upper surface of the base 1, between the chuck 2 and the tailstock 3, a material drop hole 11 is provided. A funnel-shaped collection bin 5 is fixed at the bottom of the material drop hole 11. The collection bin 5 has an open structure at both the top and bottom. A cleaning brush 6 is provided inside. The cleaning brush 6 is connected to the base 1 through a horizontal slide 61, and one end of it is connected to the wheel frame 4 so that the cleaning brush 6 can move synchronously with the horizontal movement of the wheel frame 4, thereby achieving the purpose of cleaning the debris adhering to the inner wall of the collection bin 5.

[0031] refer to Figure 2 The collection bin 5 consists of two opposing inclined surfaces 51 and two side surfaces 52. Magnetic plates 62 are embedded in the interlayer corresponding to the two inclined surfaces 51. One inclined surface 51 is close to the wheel frame 4, and its inclination angle is smaller than that of the other inclined surface 51. This design facilitates the flying of debris during grinding, ensuring it lands precisely on the inclined surface 51 with the smaller inclination angle, reducing debris rebound and splashing. A horizontal groove 521 is provided at the bottom of each of the two inclined surfaces 51. A slider 9 is slidably mounted within each groove 521. One end of the slider 9 is connected to the magnetic plate 62, and the other end is mounted on a slide rail 91 on the base 1. (See attached diagram for details.) Figure 5The two sides 52 are respectively provided with horizontal through side holes 511, which allow the magnetic plate 62 to extend or retract through the collection bin 5.

[0032] Additionally, it should be noted that the magnetic plate 62 and the cleaning brush 6 are linked together via a special inclined block structure 7, as shown in the reference. Figure 5 , Figure 6 and Figure 8 The inclined block structure 7 includes a box body 71, a telescopic rod 72, and a contact block 73. One end of the box body 71 passes through the lower opening of the collection bin 5 and is fixedly connected to the cleaning brush 6. The other end has a sliding hole 711, and a spring 74 is installed at the bottom of the sliding hole 711. One end of the telescopic rod 72 is fitted into the sliding hole 711, and the other end is connected to the contact block 73. The two sides of the contact block 73 have inclined surfaces I 731 and II 732 with opposite inclination directions, respectively. Two magnetic plates 62 have protrusions 75 on the side of inclined surface I 731 near the contact block 73. The bottom of the collection bin 5 has a release block 76 on the side of inclined surface II 732. Tension springs 77 are also provided at both ends of the magnetic plates 62, with one end connected to the magnetic plate 62 and the other end connected to the base 1. Furthermore, a horizontal through hole 733 is provided on the contact block 73, which is adapted to the release block 76. To facilitate the collection of debris after cleaning, a cloth bag 8 is also installed at the lower opening of the collection bin 5, for reference. Figure 5 .

[0033] refer to Figure 7 Furthermore, a limiting groove 712 is formed on the inner wall of the sliding hole 711 along the direction parallel to the hole axis. A limiting piece 721 is provided on the corresponding telescopic rod 72, which slides and engages with the limiting groove 712. The limiting groove 712 and the limiting piece 721 work together to restrict the telescopic rod 72 and prevent it from disengaging from the sliding hole 711.

[0034] Working principle:

[0035] During thread grinding, the workpiece is stably clamped in a suitable position by the chuck 2 and tailstock 3. The grinding wheel spindle on the wheel frame 4 is driven by the drive motor, and the grinding wheel rotates at high speed to grind the workpiece. The metal chips generated during the grinding process are guided by the rotational force of the grinding wheel and the rotation of the workpiece itself, and gradually splash along the surface of the workpiece into the collection bin 5 at the drop hole 11.

[0036] Once the debris enters the collection bin 5, the inclined surfaces 51 on both sides play a crucial guiding role. Because the inclined surface 51 near the wheel frame 4 has a smaller angle, it aligns with the trajectory of the debris as it flies along the direction of the grinding wheel's rotation. The debris can fall smoothly onto this inclined surface, and the small angle effectively reduces the rebound and splashing of debris, decreasing the area of ​​debris scattered outside the collection bin 5. This allows the debris to be collected more concentratedly within the collection bin 5, improving the efficiency of debris collection. In a preferred embodiment, the magnetic plate 62 within the interlayer of the collection bin 5 also adsorbs the splashed metal debris, especially iron debris. The magnetic plate 62 can quickly adsorb and fix it on the inclined surface, preventing the debris from moving or rebounding randomly within the collection bin 5, further reducing debris splashing and secondary pollution during the cleaning process.

[0037] When cleaning the debris adhering to the inner wall of the collection bin 5, the wheel frame 4 begins to move horizontally on the base 1, and the cleaning brush 6 connected to the wheel frame 4 also moves synchronously. Since the cleaning brush 6 is adapted to the inner wall of the collection bin 5, it can effectively clean the debris adhering to the inner wall of the collection bin 5 during its movement.

[0038] When the cleaning brush 6 moves to a certain position, the inclined surface I 731 on the contact block 73 will contact and interfere with the protrusion 75 on the magnetic plate 62. At this time, the contact block 73 retracts under the action of the protrusion 75, and after passing the protrusion 75, it extends again under the action of the spring 74. When the wheel frame 4 moves in the opposite direction, it hooks the protrusion 75 and drives the magnetic plate 62 to slide along the horizontal long groove 521 and the slide rail 91, thereby allowing the magnetic plate 62 to extend out of the collection bin 5 through the side hole 511 on the side 52. At the same time, the tension spring 77 is stretched and stored. At this time, the debris loses the magnetic force of the magnetic plate 62, detaches from the surface of the magnetic plate 62, and falls from the lower opening of the collection bin 5. It is then collected by the cloth bag 8 installed at this location. The cloth bag 8 can be easily replaced and cleaned, effectively preventing debris from falling directly into the bottom of the grinding machine, reducing the amount of cleaning work and dust pollution at the bottom of the grinding machine.

[0039] After cleaning is completed, as the wheel frame 4 continues to move, the cleaning brush 6 drives the contact block 73 to gradually approach the release block 76. The inclined surface II 732 on the contact block 73 interferes with the release block 76 at the bottom of the collection bin 5. After the inclined surface II 732 touches the release block 76, it retracts, causing the contact block 73 to separate from the protrusion 75. The stored tension spring 77 pulls the magnetic plate 62 to reset, causing it to retract back into the interlayer of the collection bin 5 through the side hole 511, returning to its initial position, ready for the next debris adsorption operation.

[0040] Through the above improvements, the thread grinding machine can effectively collect and clean up debris when processing threaded components, avoiding equipment failure and reduced processing accuracy caused by debris accumulation. It also reduces the workload of manual cleaning by workers and dust pollution in the working environment, reduces the health risks to workers due to contact with debris, and improves overall production efficiency and processing safety, thus having high practical value.

[0041] The embodiments described above are merely preferred embodiments of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that those skilled in the art can make various modifications, improvements, and substitutions without departing from the inventive concept, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this patent should be determined by the appended claims.

Claims

1. A thread grinding machine, characterized in that, Includes a base (1), on which a chuck (2) for clamping workpieces and a tailstock (3) are provided. The base (1) is also provided with a horizontally movable wheel frame (4), on which a grinding wheel spindle and a drive motor are provided. The upper surface of the base (1) is provided with a material drop hole (11) in the area between the chuck (2) and the tailstock (3). A funnel-shaped collection bin (5) with openings at both the top and bottom is installed at the bottom of the material drop hole (11). A cleaning brush (6) adapted to its inner wall is provided in the collection bin (5). The cleaning brush (6) is connected to the base (1) through a horizontal slide (61), and one end of the cleaning brush (6) is connected to the wheel frame (4). The cleaning brush (6) moves synchronously with the wheel frame (4) and can clean the debris adhering to the inner wall of the collection bin (5).

2. The thread grinding machine according to claim 1, characterized in that, The collection bin (5) consists of two inclined surfaces (51) and two side surfaces (52). The two inclined surfaces (51) are arranged opposite to each other, and the two side surfaces (52) are respectively connected to the two sides of the two inclined surfaces (51). The collection bin (5) is a sandwich structure, and a magnetic plate (62) is installed in the sandwich corresponding to the two inclined surfaces (51).

3. The thread grinding machine according to claim 2, characterized in that, One of the inclined planes (51) is close to the wheel frame (4), and the inclination angle of the inclined plane (51) is smaller than that of the other inclined plane (51).

4. The thread grinding machine according to claim 3, characterized in that, The bottom of each of the two inclined surfaces (51) is provided with a horizontal long groove (521) that connects to the interlayer. A slider (9) is slidably arranged in each of the two horizontal long grooves (521). The two sliders (9) are respectively connected to the magnetic plate (62) in the interlayer. A slide rail (91) adapted to the slider (9) is installed on the base (1). The two side surfaces (52) are provided with horizontal through side holes (511) that allow the magnetic plate (62) to pass through.

5. The thread grinding machine according to claim 4, characterized in that, The two magnetic plates (62) and the cleaning brush (6) are respectively connected by a slanted block structure (7). The slanted block structure (7) includes a box (71), a telescopic rod (72) and a contact block (73). One end of the box (71) passes through the lower opening of the collection bin (5) and is fixedly connected to the cleaning brush (6). The opposite end forms a sliding hole (711). A spring (74) is installed at the bottom of the sliding hole (711). One end of the telescopic rod (72) is fitted into the sliding hole (711) and the other end is connected to the contact block (73). One side of the contact block (73) forms an inclined surface I (731) and the opposite side forms an inclined surface II (732). The inclination direction of the inclined surface I (731) is opposite to the inclination direction of the inclined surface II (732). On the side of the two magnetic plates (62) near the inclined surface I (731), there are respectively a protrusion (75) that interferes with the contact block (73); The bottom of the collection bin (5) is provided with a release block (76) that interferes with the contact block (73) on the side near the inclined surface II (732); Two magnetic plates (62) are provided with tension springs (77) at both ends along the direction parallel to the horizontal long groove (521), wherein one end of the tension spring (77) is connected to the magnetic plate (62) and the other end is connected to the base (1).

6. The thread grinding machine according to claim 5, characterized in that, The contact block (73) is provided with a horizontal through hole (733) that is adapted to the release block (76).

7. The thread grinding machine according to any one of claims 1-6, characterized in that, A cloth bag (8) is installed at the lower opening of the collection bin (5).

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