End face grinding structure for hardware machining

By designing a dual-circuit liquid supply premixing mechanism and a cleaning mechanism, the problems of stratification and sedimentation of abrasive mixtures and incomplete waste collection are solved, thereby improving the processing accuracy of hardware parts and the cleanliness of the equipment.

CN224169559UActive Publication Date: 2026-04-28TAIZHOU CHENHAO AUTO PARTS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAIZHOU CHENHAO AUTO PARTS CO LTD
Filing Date
2025-05-08
Publication Date
2026-04-28

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Abstract

The utility model discloses an end face polishing structure for hardware machining, which belongs to the technical field of machining, and is characterized in that the end face polishing structure comprises a machining pedestal, the top of the machining pedestal is fixedly connected with an object placing table, and the two sides of the object placing table are movably connected with double-loop liquid supply premixing mechanisms; an abrasive water jet nozzle is movably connected to the outer side of the double-loop liquid supply premixing mechanism, and cleaning mechanisms are movably connected to the inner side and the top of the machining pedestal correspondingly, so that the mixing uniformity of abrasive material mixed liquid and high-pressure water can be effectively improved, the impact speed of abrasive particles is increased, the cutting capacity of the abrasive particles is enhanced, and the condition of layered precipitation is avoided; the double-loop liquid supply is adopted to introduce grinding material mixed liquid and high-pressure water into the premixing barrel for secondary mixing, through the dynamic process of capturing, guiding and escape slitting, the layering problem caused by large density of grinding materials is solved, and the layering problem during static or low-speed pipeline conveying is solved.
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Description

Technical Field

[0001] This utility model relates to the field of machining technology, and in particular to an end face grinding structure for hardware processing. Background Technology

[0002] Hardware refers to tools made from metals such as gold, silver, copper, iron, and tin through processing and casting. They are often used to connect and fix different materials or parts, and can also be used to add beauty and decorative effects. During the processing of hardware, the end face needs to be polished to remove burrs from the surface of the hardware, making the surface smooth and improving the quality, precision, and aesthetics of the hardware.

[0003] In existing technologies, when grinding the end face of hardware parts with a high-pressure water jet abrasive mixture, the abrasive mixture may cause stratification and sedimentation during the first mixing due to the high density of the abrasive particles. This stratification is especially likely to occur during pipeline transportation, when the equipment is stationary or moving at low speeds. In addition, existing grinding equipment may have problems such as incomplete water rinsing or insufficient tilt angle of the table, resulting in debris residue that affects the positioning accuracy of subsequent workpieces.

[0004] To address this, a face grinding structure for hardware parts processing is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a face grinding structure for hardware processing, which can solve the problems of stratification and sedimentation of existing abrasive mixtures and incomplete collection of grinding waste and waste liquid.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a face grinding structure for hardware processing, including a processing table, a storage platform fixedly connected to the top of the processing table, a dual-circuit liquid supply premixing mechanism movably connected to both sides of the storage platform, an abrasive water jet nozzle movably connected to the outer side of the dual-circuit liquid supply premixing mechanism, and a cleaning mechanism movably connected to the inner side and top of the processing table.

[0007] The dual-circuit liquid supply premixing mechanism includes a storage tank fixedly connected to both sides of the processing table. A wear-resistant pump is movably connected to the top of the storage tank. A delivery pipe is movably connected to the top of the wear-resistant pump. A support frame is fixedly connected to the outside of the delivery pipe. The support frame is fixedly connected to the outside of the processing table and is located on the top of the platform. A premixing tank is fixedly connected to the inside of the support frame. The delivery pipe is fixedly connected to both sides of the premixing tank. A cutting and mixing assembly is movably connected to the inside of the premixing tank. An abrasive water jet nozzle is movably connected to the bottom of the premixing tank.

[0008] Preferably, the cleaning mechanism includes a collection trough located inside the platform, overflow troughs on both sides of the platform, a liquid collection trough located inside the processing table, and the liquid collection trough located at the bottom of the platform.

[0009] Preferably, a motor lead screw is movably connected to the front side of the top of the processing table, and a guide slide rod is fixedly connected to the rear side of the top of the processing table. The guide slide rod and the motor lead screw are located at the top of the liquid collection tank.

[0010] Preferably, a wiper blade is slidably connected to the outer side of the guide slide rod, and a threaded sleeve is fixedly connected to the inner side of the wiper blade. The threaded sleeve is threadedly connected to the outer side of the motor lead screw.

[0011] Preferably, the slitting and mixing assembly includes a servo motor fixedly connected to the top of the premixing tank, and a support rod fixedly connected to the output end of the servo motor, the support rod being disposed inside the premixing tank.

[0012] Preferably, a bearing block is rotatably connected to the outer side of the support rod, an arc-shaped spoiler is fixedly connected to the outer side of the bearing block, a flap is rotatably connected to the inner side of the arc-shaped spoiler, a torsion spring is fixedly connected to the outer side of the flap, the torsion spring is fixedly connected to the inner side of the arc-shaped spoiler, and hydraulic rods are rotatably connected to the outer sides of both the bearing block and the support rod.

[0013] Preferably, a slag discharge pump is fixedly connected to the outside of the processing table.

[0014] Preferably, the outer side of the flip plate is provided with a cutting groove.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This application, by setting a dual-circuit liquid supply premixing mechanism, can effectively improve the mixing uniformity of the abrasive mixture and high-pressure water, accelerate the impact speed of abrasive particles, enhance their cutting ability, and avoid stratification and sedimentation. By adopting a dual-circuit liquid supply, the abrasive mixture and high-pressure water are introduced into the premixing tank for secondary mixing. The servo motor is started to drive the support rod and multiple sets of arc-shaped baffles with different opening directions to rotate. The hydraulic rod makes the arc-shaped baffles swing up and down repeatedly. When swinging, the liquid impacts the flap, causing it to flip and create gaps, allowing some liquid to escape and separate. The torsion spring then drives the flap to reset. Through the dynamic process of capture, guidance, escape and separation, the stratification problem caused by the high density of the abrasive is broken, and the stratification problem during pipeline transportation when stationary or at low speed is solved.

[0017] 2. This application, by setting up a cleaning mechanism, can collect most of the waste materials and waste liquid in a timely manner under the flushing of water through the cooperation of the collection tank, overflow tank and liquid collection tank, which solves the problem of incomplete collection caused by water escape. In addition, for the debris that may remain after processing, the motor screw drives the scraper to scrape back and forth along the top of the platform to scrape the residual waste materials and waste liquid into the collection tank or overflow tank, avoiding the situation of debris residue caused by incomplete flushing of water or insufficient tilt angle of the platform, thereby ensuring that the positioning accuracy of subsequent workpieces is not affected, and effectively improving the cleanliness and processing reliability of the grinding equipment. Attached Figure Description

[0018] Figure 1 This is an overall structural diagram of the end face grinding structure for hardware processing according to this utility model;

[0019] Figure 2 This is an overall structural diagram of the processing table of this utility model;

[0020] Figure 3 This is an overall structural diagram of the dual-circuit liquid supply premixing mechanism of this utility model;

[0021] Figure 4 This is an overall structural diagram of the slitting and mixing component of this utility model;

[0022] Figure 5 This is an overall structural diagram of the cleaning mechanism of this utility model;

[0023] Figure 6 This is a partial enlarged view of part A of this utility model.

[0024] In the diagram, 1. Processing table; 2. Storage platform; 3. Dual-circuit liquid supply premixing mechanism; 31. Storage tank; 32. Wear-resistant liquid pump; 33. Infusion pipe; 34. Support frame; 35. Premixing tank; 36. Slitting and mixing assembly; 36a. Servo motor; 36b. Support rod; 36c. Bearing block; 36d. Arc-shaped baffle; 36e. Flip plate; 36f. Torsion spring; 36g. Hydraulic rod; 4. Abrasive water jet nozzle; 5. Cleaning mechanism; 51. Collection tank; 52. Overflow tank; 53. Liquid collection tank; 54. Motor lead screw; 55. Guide slide rod; 56. Scraper; 57. Threaded sleeve; 6. Slag discharge pump; 7. Slitting tank. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-6 The present invention provides the following technical solution:

[0027] A face grinding structure for processing hardware parts includes a processing table 1, a storage platform 2 fixedly connected to the top of the processing table 1, a dual-circuit liquid supply premixing mechanism 3 movably connected to both sides of the storage platform 2, an abrasive water jet nozzle 4 movably connected to the outer side of the dual-circuit liquid supply premixing mechanism 3, and a cleaning mechanism 5 movably connected to the inner side and top of the processing table 1.

[0028] The dual-circuit liquid supply premixing mechanism 3 includes a storage tank 31 fixedly connected to both sides of the processing table 1. A wear-resistant pump 32 is movably connected to the top of the storage tank 31. A delivery pipe 33 is movably connected to the top of the wear-resistant pump 32. A support frame 34 is fixedly connected to the outside of the delivery pipe 33. The support frame 34 is fixedly connected to the outside of the processing table 1 and is located on the top of the platform 2. A premixing tank 35 is fixedly connected to the inside of the support frame 34. The delivery pipe 33 is fixedly connected to both sides of the premixing tank 35. A cutting and mixing assembly 36 is movably connected to the inside of the premixing tank 35. An abrasive water jet nozzle 4 is movably connected to the bottom of the premixing tank 35.

[0029] In this embodiment: Before grinding the end face of the hardware, the hardware to be ground is fixed on the platform 2, and the wear-resistant pump 32 on the top of the two storage tanks 31 is started to supply liquid in a dual-circuit manner. The storage tanks 31 store abrasive mixture and high-pressure water respectively. The two are transferred through two delivery pipes 33 and enter the premixing tank 35 for secondary mixing to solve the problem of stratification and sedimentation caused by the high density of abrasive during the first mixing of abrasive mixture. Especially when the abrasive mixture is stationary or at low speed during pipeline transportation, it is easy to stratify. After the abrasive mixture and high-pressure water enter the premixing tank 35, they are mixed and slit by the cutting and mixing component 36, thereby accelerating the abrasive particles, increasing the impact speed, strengthening the cutting ability, improving the mixing uniformity and avoiding stratification and sedimentation.

[0030] Specifically, such as Figure 1 , Figure 2 , Figure 5 As shown, the cleaning mechanism 5 includes a collection tank 51 located inside the platform 2, overflow tanks 52 located on both sides of the platform 2, and a liquid collection tank 53 located inside the processing table 1. The liquid collection tank 53 is located at the bottom of the platform 2.

[0031] Specifically, such as Figure 1 , Figure 2 , Figure 5 As shown, a motor lead screw 54 is movably connected to the front side of the top of the processing table 1, and a guide slide rod 55 is fixedly connected to the rear side of the top of the processing table 1. The guide slide rod 55 and the motor lead screw 54 are located on the top of the liquid collection tank 53.

[0032] Specifically, such as Figure 1 , Figure 2 , Figure 5 As shown, a wiper blade 56 is slidably connected to the outer side of the guide slide rod 55, and a threaded sleeve 57 is fixedly connected to the inner side of the wiper blade 56. The threaded sleeve 57 is threadedly connected to the outer side of the motor lead screw 54.

[0033] In this embodiment: During grinding, the mixed waste liquid and grinding waste are collected in time by the water flow. The mixed waste liquid and grinding waste carried by the water flow will directly enter the liquid collection tank 53 inside the processing table 1 through the collection tank 51 on the top of the platform 2. The waste liquid that escapes to the sides will be collected through the overflow tank 52 formed between the platform 2 and the outer wall of the processing table 1. To prevent the residual debris on the surface of the platform 2 from being washed away by insufficient water flow after processing, the motor screw 54 can be activated. The scraper 56, which is located outside the motor screw 54 and has a built-in threaded sleeve 57 and is slidably connected to the outside of the guide slide rod 55, will scrape back and forth along the top of the platform 2 under the guidance of the motor screw 54, scraping the waste and waste liquid into the collection tank 51 or the overflow tank 52, and finally falling into the liquid collection tank 53.

[0034] Specifically, such as Figure 3 , Figure 4 , Figure 6 As shown, the slitting and mixing assembly 36 includes a servo motor 36a fixedly connected to the top of the premixing tank 35, and a support rod 36b fixedly connected to the output end of the servo motor 36a. The support rod 36b is located inside the premixing tank 35.

[0035] Specifically, such as Figure 3 , Figure 4 , Figure 6 As shown, a bearing block 36c is rotatably connected to the outer side of the support rod 36b, an arc-shaped spoiler 36d is fixedly connected to the outer side of the bearing block 36c, a flap 36e is rotatably connected to the inner side of the arc-shaped spoiler 36d, a torsion spring 36f is fixedly connected to the outer side of the flap 36e, and the torsion spring 36f is fixedly connected to the inner side of the arc-shaped spoiler 36d. Hydraulic rods 36g are rotatably connected to the outer sides of both the bearing block 36c and the support rod 36b.

[0036] In this embodiment: By activating the servo motor 36a at the top of the premixing tank 35, the support rod 36b inside the premixing tank 35 is driven to rotate, which in turn drives the multiple sets of arc-shaped baffles 36d with different opening directions on the outside of the support rod 36b to rotate. During rotation, the hydraulic rod 36g rotatably connected to the outside of the support rod 36b reciprocates in contraction and extension, pulling the bearing block 36c rotatably connected to its other end to swing back and forth along the support rod 36b, thereby causing the arc-shaped baffles 36d to swing up and down. When the arc-shaped baffles 36d swing, they capture and guide the liquid inside the premixing tank 35 according to the opening direction. When the liquid inside generates a large impact force due to the swinging capture, it impacts the inside of the arc-shaped baffles 36d. The flap 36e flips the liquid over, and the arc-shaped baffle 36d creates a gap that allows some liquid to escape to the other side. When the flap 36e rotates, the torsion spring 36f at the point of rotation of the flap 36e and the arc-shaped baffle 36d accumulates elastic potential energy and rotates back to reset the flap 36e. In this way, when the arc-shaped baffle 36d swings in the opening direction, it captures the guiding liquid and escapes through the flap 36e to cut the liquid. When it swings in the opposite direction, the flap 36e quickly resets. At the same time, the support rod 36b continues to bear the load and rotates the overall axis, realizing the mixing and cutting of the abrasive mixture and high-pressure water, accelerating the abrasive particles, increasing the impact speed, strengthening the cutting ability, improving the mixing uniformity, and avoiding stratification and sedimentation.

[0037] Specifically, such as Figure 1 As shown, a slag discharge pump 6 is fixedly connected to the outside of the processing table 1.

[0038] Specifically, such as Figure 6 As shown, a cutting groove 7 is provided on the outer side of the flip plate 36e.

[0039] In this embodiment: the waste liquid in the collection tank 53 can be extracted and recycled by the slag pump 6, and the liquid cutting channel 7 can increase the cutting path and cutting particle size of the liquid.

[0040] Working Principle: Before grinding the end face of the hardware parts, the hardware parts to be ground are fixed on the platform 2. Then, the wear-resistant pump 32 on the top of the two storage tanks 31 is started to supply liquid in a dual-circuit manner. The storage tanks 31 contain abrasive mixture and high-pressure water respectively. The abrasive mixture and high-pressure water are transferred through two delivery pipes 33 and enter the premixing tank 35 for secondary mixing. Premixing solves the problem of stratification and sedimentation that may occur in the abrasive mixture during the first mixing due to the high density of the abrasive, especially during pipeline transportation when it is stationary or at low speed. After the high-pressure water and abrasive mixture enter the premixing tank 35, the servo motor 36a located on the top of the premixing tank 35 is started, so that the support inside the premixing tank 35... Driven by a servo motor 36a, rod 36b rotates, causing multiple sets of arc-shaped baffles 36d with different opening directions on the outer side of the support rod 36b to rotate. During rotation, the hydraulic rod 36g, rotatably connected to the outer side of the support rod 36b, reciprocates in contraction and extension. During this reciprocation, it pulls the bearing block 36c, rotatably connected to its other end, to oscillate along the support rod 36b, causing the arc-shaped baffles 36d to oscillate up and down. During the oscillation of the arc-shaped baffles 36d, the liquid inside the premix tank 35 is captured and guided according to its opening direction. When the liquid inside the arc-shaped baffles 36d is captured during the oscillation, and the impact force between it and the arc-shaped baffles 36d is large, it will impact the arc-shaped baffles 36d. The inner flap 36e of 6d flips over, creating a gap in the arc-shaped baffle 36d. This allows some liquid to escape through the gap to the other side of the arc-shaped baffle 36d. However, when the flap 36e rotates, the torsion spring 36f at the rotation point of the arc-shaped baffle 36d accumulates elastic potential energy and rotates back to reset the flap 36e. This achieves liquid capture and guidance when the flap 36e swings in the arc-shaped opening of the arc-shaped baffle 36d, allowing some liquid to escape and be cut through. When swinging in the opposite direction, the flap 36e is quickly reset. During this process, the support rod 36b continuously supports the linkage, causing the entire system to rotate around its axis. This achieves mixing and cutting of the abrasive mixture and high-pressure water, further accelerating the abrasive particles and increasing their impact velocity. To enhance cutting ability and improve mixing uniformity, avoiding stratification and sedimentation, after this treatment, the mixture inside the premixing tank 35 is extracted through the abrasive water jet nozzle 4. High-pressure water jets are then used to polish the end face of the metal parts to be polished on the top of the platform 2, removing burrs and edges. During polishing, the mixed waste liquid and polishing waste such as burrs are collected in time under the flushing of the water flow. Under the impact of the water flow, the mixed waste liquid and polishing waste are directly collected in the liquid collection tank 53 inside the processing table 1 through the collection tank 51 on the top of the platform 2. Waste liquid that escapes to the sides is collected through the overflow channel 52 formed between the platform 2 and the outer wall of the processing table 1. Furthermore, to prevent residual debris on the surface of the platform 2 from not being flushed away by sufficient water flow after processing, this process is completed.By activating the motor lead screw 54, the scraper 56, which is located on the outside of the motor lead screw 54 with an internal threaded sleeve 57 and slidably connected to the outside of the guide slide rod 55, reciprocates along the top of the platform 2 under the guidance of the motor lead screw 54. This scrapes waste material and waste liquid into the collection tank 51 or overflow tank 52, and finally into the liquid collection tank 53. The waste is then extracted by the slag pump 6 for further processing. In summary, this optimizes the end-face grinding operation of hardware parts.

[0041] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A face grinding structure for processing hardware parts, comprising a processing table (1), characterized in that: The processing table (1) is fixedly connected to a platform (2) on the top. Both sides of the platform (2) are movably connected to a dual-circuit liquid supply premixing mechanism (3). The outer side of the dual-circuit liquid supply premixing mechanism (3) is movably connected to an abrasive water jet nozzle (4). The inner side and top of the processing table (1) are movably connected to a cleaning mechanism (5). The dual-circuit liquid supply premixing mechanism (3) includes a storage tank (31) fixedly connected to both sides of the processing table (1). A wear-resistant pump (32) is movably connected to the top of the storage tank (31). A delivery pipe (33) is movably connected to the top of the wear-resistant pump (32). A support frame (34) is fixedly connected to the outside of the delivery pipe (33). The support frame (34) is fixedly connected to the outside of the processing table (1). The support frame (34) is set on the top of the platform (2). A premixing tank (35) is fixedly connected to the inside of the support frame (34). The delivery pipe (33) is fixedly connected to both sides of the premixing tank (35). A cutting and mixing assembly (36) is movably connected to the inside of the premixing tank (35). An abrasive water jet nozzle (4) is movably connected to the bottom of the premixing tank (35).

2. The end face grinding structure for hardware processing according to claim 1, characterized in that: The cleaning mechanism (5) includes a collection trough (51) located inside the platform (2), overflow troughs (52) are provided on both sides of the platform (2), and a liquid collection trough (53) is provided inside the processing table (1). The liquid collection trough (53) is located at the bottom of the platform (2).

3. The end face grinding structure for hardware processing according to claim 2, characterized in that: A motor lead screw (54) is movably connected to the front side of the top of the processing table (1), and a guide slide rod (55) is fixedly connected to the rear side of the top of the processing table (1). The guide slide rod (55) and the motor lead screw (54) are located at the top of the liquid collection tank (53).

4. The end face grinding structure for hardware processing according to claim 3, characterized in that: The guide slide rod (55) is slidably connected to a wiper blade (56), and the wiper blade (56) is fixedly connected to a threaded sleeve (57) on its inner side. The threaded sleeve (57) is threadedly connected to the outer side of the motor lead screw (54).

5. The end face grinding structure for hardware processing according to claim 1, characterized in that: The slitting and mixing assembly (36) includes a servo motor (36a) fixedly connected to the top of the premixing tank (35), and a support rod (36b) fixedly connected to the output end of the servo motor (36a). The support rod (36b) is located inside the premixing tank (35).

6. The end face grinding structure for hardware processing according to claim 5, characterized in that: A bearing block (36c) is rotatably connected to the outer side of the support rod (36b). An arc-shaped spoiler (36d) is fixedly connected to the outer side of the bearing block (36c). A flap (36e) is rotatably connected to the inner side of the arc-shaped spoiler (36d). A torsion spring (36f) is fixedly connected to the outer side of the flap (36e). The torsion spring (36f) is fixedly connected to the inner side of the arc-shaped spoiler (36d). A hydraulic rod (36g) is rotatably connected to the outer sides of both the bearing block (36c) and the support rod (36b).

7. The end face grinding structure for hardware processing according to claim 2, characterized in that: A slag discharge pump (6) is fixedly connected to the outside of the processing table (1).

8. The end face grinding structure for hardware processing according to claim 6, characterized in that: The outer side of the flap (36e) is provided with a cutting groove (7).