Rough grinding device for resin sand casting products
By designing a grinding device adapted to resin sand castings, and utilizing a spiral grinding ring and an arc-shaped grinding plate, combined with a rolling ball and a rotating limiting groove structure, the problem of the grinding wheel being difficult to adapt to the surface curvature of the pipe fittings was solved, achieving a highly efficient and uniform grinding effect.
Patent Information
- Application Number
- CN202520222550.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-02-12
AI Technical Summary
In existing technologies, grinding wheels are difficult to adapt to the curvature of resin sand pipe fittings, resulting in a long grinding time for the entire pipe fitting surface and affecting grinding efficiency.
A coarse grinding device for resin sand castings was designed, including a grinding ring and a grinding plate. The grinding ring and grinding plate are spiral-shaped and have arc surfaces. Combined with a rolling ball and a rotation limiting groove structure, the device ensures a stable connection between the grinding ring and the installation mechanism, thereby achieving uniform grinding of the pipe surface.
It significantly improves the grinding efficiency and effect of resin sand casting pipe fittings, avoids grinding blind spots, ensures the uniformity and stability of grinding action, and increases the coverage area per pass.
Smart Images
Figure CN223685011U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a polishing technical field more specifically, relate to a kind of rough polishing device for resin sand castings. BACKGROUND
[0002] Resin sand is a new type of molding material, which is made of quartz sand and other raw sand mixed with resin and other binders. It has good fluidity and plasticity, and can produce complex and precise castings with high dimensional accuracy and smooth surface. Resin sand castings are products made of resin sand as molding material through casting process, with high dimensional accuracy and good surface quality.
[0003] During the production and processing of resin sand castings, the surface needs to be polished. During polishing, abrasive wheels are mainly used for polishing. However, when polishing resin sand pipe fittings, the abrasive wheel cannot adapt to the curvature of the pipe fitting surface, and it takes a long time to polish the entire pipe fitting surface, affecting the polishing efficiency of resin sand pipe fittings. Therefore, we propose a rough polishing device for resin sand castings. SUMMARY
[0004] The utility model aims to overcome the shortcomings of the prior art, meet the needs of reality, and provide a rough polishing device for resin sand castings to solve the technical problem of current abrasive wheels not being able to adapt to the curvature of the pipe fitting surface, which takes a long time to polish the entire pipe fitting surface and affects the polishing efficiency of resin sand pipe fittings.
[0005] To solve the above technical problems, the utility model provides the following technical scheme: a rough polishing device for resin sand castings, comprising a mounting mechanism and a polishing mechanism arranged on the mounting mechanism. The mounting mechanism includes a mounting bracket, the front end of the mounting bracket is provided with a handle, the rear end of the mounting bracket is arrayed with mounting rods, the ends of the mounting rods are provided with positioning balls, the diameter of the positioning ball is greater than the diameter of the mounting rod, the outer side of the positioning ball is rotatably provided with a rolling ball, the polishing mechanism includes a polishing ring and polishing plates installed on both sides of the polishing ring, both sides of the polishing ring are provided with rotating limiting grooves, and the rolling ball is located in the rotating limiting groove.
[0006] Preferably, the rolling ball is provided with a spherical cavity, a circular hole is formed in the side end of the rolling ball and communicates with the spherical cavity, the mounting rod is located in the circular hole, and the positioning ball is located in the spherical cavity.
[0007] Preferably, the inner ring of the polishing ring is provided with a first polishing layer, the outer surface of the polishing ring is arrayed with meshing teeth, and the meshing teeth and the polishing ring form a gear structure.
[0008] Preferably, the rear end of the mounting frame is symmetrically provided with mounting plates, a driving gear is rotatably mounted between the mounting plates, a motor is arranged at the front end of the mounting plate at the front part, the output shaft of the motor is connected with the axis of the driving gear, and the driving gear is in meshing connection with the meshing teeth.
[0009] Preferably, the side end of the polishing plate is provided with a fixing rod, the distal end of the fixing rod is welded and fixed with the side end of the polishing ring, the fixing rod is located at the inner side of the rotation limiting groove, and the inner wall of the polishing plate is provided with a second polishing layer.
[0010] Preferably, the polishing plate is spirally arranged along the long axis direction, the inner wall and the outer surface of the polishing plate are arc surfaces, and the axis of the spiral of the polishing plate is consistent with the axis of the polishing ring.
[0011] Compared with the prior art, the polishing ring and the polishing plate are arranged to match the curvature of the outer surface of the resin sand cast pipe fitting, the unique structure that the polishing plate is spirally arranged and the surface is an arc surface greatly expands the contact range with the outer surface of the pipe fitting, effectively avoids the emergence of a polishing blind area, allows each tiny place to be fully polished, significantly improves the coverage area of single polishing, makes the polishing action more uniform and stable, thereby improves the polishing efficiency and effect of the resin sand cast pipe fitting, and solves the problems that the current grinding wheel cannot be matched with the curvature of the surface of the pipe fitting and a long time is required to polish the surface of the whole pipe fitting, thereby affecting the polishing efficiency of the resin sand pipe fitting.
[0012] 1. The polishing ring and the polishing plate are arranged to match the curvature of the outer surface of the resin sand cast pipe fitting, the unique structure that the polishing plate is spirally arranged and the surface is an arc surface greatly expands the contact range with the outer surface of the pipe fitting, effectively avoids the emergence of a polishing blind area, allows each tiny place to be fully polished, significantly improves the coverage area of single polishing, makes the polishing action more uniform and stable, thereby improves the polishing efficiency and effect of the resin sand cast pipe fitting, and solves the problems that the current grinding wheel cannot be matched with the curvature of the surface of the pipe fitting and a long time is required to polish the surface of the whole pipe fitting, thereby affecting the polishing efficiency of the resin sand pipe fitting.
[0013] 2. The polishing ring and the polishing plate are arranged to match the curvature of the outer surface of the resin sand cast pipe fitting, the unique structure that the polishing plate is spirally arranged and the surface is an arc surface greatly expands the contact range with the outer surface of the pipe fitting, effectively avoids the emergence of a polishing blind area, allows each tiny place to be fully polished, significantly improves the coverage area of single polishing, makes the polishing action more uniform and stable, thereby improves the polishing efficiency and effect of the resin sand cast pipe fitting, and solves the problems that the current grinding wheel cannot be matched with the curvature of the surface of the pipe fitting and a long time is required to polish the surface of the whole pipe fitting, thereby affecting the polishing efficiency of the resin sand pipe fitting. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a front view structural schematic diagram of the utility model;
[0015] Figure 2 It is an explosion drawing of the utility model;
[0016] Figure 3 It is a polishing ring structure schematic diagram of the utility model;
[0017] Figure 4 It is an installation mechanism structure schematic diagram of the utility model;
[0018] Figure 5The utility model discloses a grinding plate structure schematic view.
[0019] Figure 6 The utility model discloses an installation rod structure schematic view.
[0020] Mark explanation in drawing: 100, installation mechanism, 101, mounting frame, 102, handle, 103, installation rod, 104, positioning ball, 105, rolling ball, 106, mounting plate, 107, driving gear, 108, motor, 200, polishing mechanism, 201, polishing ring, 202, first polishing layer, 203, meshing tooth, 204, rotation limiting groove, 205, grinding plate, 206, fixed rod, 207, second polishing layer. Specific implementation
[0021] As Figures 1 to 6 The utility model relates to a kind of rough grinding device for resin sand casting product, including installation mechanism 100 and the polishing mechanism 200 set on installation mechanism 100, installation mechanism 100 includes mounting frame 101, the front end of mounting frame 101 is provided with handle 102, the rear end of mounting frame 101 is provided with installation rod 103, the tail end of installation rod 103 is provided with positioning ball 104, the diameter of positioning ball 104 is greater than the diameter of installation rod 103, positioning ball 104 is rotatably provided with rolling ball 105 on outside, polishing mechanism 200 includes polishing ring 201 and the polishing plate 205 installed at the both sides end of polishing ring 201, both sides end of polishing ring 201 is provided with rotation limiting groove 204, rolling ball 105 is located in rotation limiting groove 204.The utility model can effectively improve the efficiency and the quality of polishing by setting the polishing structure that adaptation resin sand casting pipe fitting surface camber.
[0022] Specifically, spherical cavity is provided in rolling ball 105, circular hole that is communicated with spherical cavity is formed in the side end of rolling ball 105, installation rod 103 is located in circular hole, and positioning ball 104 is located in spherical cavity.Rolling ball 105 is located in rotation limiting groove 204 and cooperates with installation rod 103 and positioning ball 104, realizes the stable connection of polishing ring 201 and installation mechanism 100, even if polishing ring 201 is subjected to greater external force or centrifugal force during polishing, also can keep its relative position stable with installation mechanism 100 by the rolling and limiting of rolling ball 105 in rotation limiting groove 204, ensure the smooth progress of polishing work.
[0023] Further, the inner ring of polishing ring 201 is provided with first polishing layer 202, the outer surface of polishing ring 201 is provided with meshing tooth 203 in array, and meshing tooth 203 and polishing ring 201 form gear structure.The setting of meshing tooth 203 can drive polishing ring 201 to rotate when driving gear 107 rotates, to carry out polishing work.
[0024] It is worth mentioning that the rear end of the mounting frame 101 is symmetrically provided with mounting plates 106, the driving gear 107 is rotatably arranged between the mounting plates 106, the front end of the mounting plate 106 located at the front is provided with the motor 108, the output shaft of the motor 108 is connected with the axis of the driving gear 107, and the driving gear 107 is in meshing connection with the meshing teeth 203. The motor 108 can drive the driving gear 107 to rotate, and the polishing ring 201 can rotate under the action of the meshing teeth 203, so that the polishing plate 205 also rotates, thereby polishing the resin sand cast pipe fitting.
[0025] It is worth mentioning that the side end of the polishing plate 205 is arrayed with the fixing rods 206, the distal end of the fixing rod 206 is welded and fixed with the side end of the polishing ring 201, the fixing rod 206 is located at the inner side of the rotation limiting groove 204, and the inner wall of the polishing plate 205 is provided with the second polishing layer 207. The second polishing layer 207 is arranged for polishing the surface of the pipe fitting by the polishing plate 205.
[0026] It is worth noting that the polishing plate 205 is spirally arranged along the long axis direction, the inner wall and the outer surface of the polishing plate 205 are both arc surfaces, and the axis of the spiral of the polishing plate 205 is consistent with the axis of the polishing ring 201. The unique structure that the polishing plate 205 is spirally arranged and the surface is an arc surface greatly expands the contact range with the outer surface of the pipe fitting, effectively avoids the emergence of a polishing blind area, enables every tiny place to be fully polished, significantly improves the coverage area of single polishing, and makes the polishing action more uniform and stable.
[0027] Working principle: the embodiment provides a rough polishing device for resin sand cast products, in use, the handle 102 is held to use the device, the polishing ring 201 and the polishing plate 205 are sleeved outside the resin sand cast pipe fitting, the driving gear 107 is driven to rotate by the motor 108, the polishing ring 201 is driven to rotate under the action of the meshing teeth 203, the polishing plate 205 also rotates, the polishing ring 201 and the polishing plate 205 can adapt to the curvature of the pipe fitting, the outer surface of the pipe fitting can be polished by the first polishing layer 202 and the second polishing layer 207, and the polishing ring 201 moves along the pipe fitting during polishing to comprehensively polish the pipe fitting.
[0028] The embodiment of the utility model discloses the preferable embodiment, but is not limited to this, the ordinary skill in the art, the spirit of the utility model is appreciated by the above-mentioned embodiment, and different induction and change are made, but as long as not departing from the spirit of the utility model, are within the protection scope of the utility model.
Claims
1. A coarse grinding device for resin sand castings, characterized in that, The application relates to a grinding device, which comprises a mounting mechanism (100) and a grinding mechanism (200) arranged on the mounting mechanism (100), the mounting mechanism (100) comprises a mounting frame (101), the front end of the mounting frame (101) is provided with a handle (102), the rear end of the mounting frame (101) is provided with an array of mounting rods (103), the tail end of the mounting rod (103) is provided with a positioning ball (104), the diameter of the positioning ball (104) is larger than that of the mounting rod (103), the outer side of the positioning ball (104) is rotatably provided with a rolling ball (105), the grinding mechanism (200) comprises a grinding ring (201) and a grinding plate (205) arranged at the two side ends of the grinding ring (201), the two side ends of the grinding ring (201) are provided with rotating limiting grooves (204), and the rolling ball (105) is located in the rotating limiting grooves (204).
2. The rough polishing apparatus for resin sand castings according to claim 1, characterized by The rolling ball (105) is provided with a spherical cavity, the side end of the rolling ball (105) is provided with a circular hole in communication with the spherical cavity, the mounting rod (103) is located in the circular hole, and the positioning ball (104) is located in the spherical cavity.
3. The rough polishing apparatus for resin sand castings according to claim 2, characterized in that, The inner ring of the grinding ring (201) is provided with a first grinding layer (202), the outer surface of the grinding ring (201) is provided with an array of meshing teeth (203), and the meshing teeth (203) and the grinding ring (201) form a gear structure.
4. The rough polishing apparatus for resin sand castings according to claim 3, characterized in that, The rear end of the mounting frame (101) is symmetrically provided with mounting plates (106), the mounting plates (106) are rotatably provided with a driving gear (107) therebetween, the front end of the mounting plate (106) located at the front end is provided with a motor (108), the output shaft of the motor (108) is connected with the shaft center of the driving gear (107), and the driving gear (107) is meshingly connected with the meshing teeth (203).
5. The rough polishing apparatus for resin sand castings according to claim 4, characterized in that, The side end of the grinding plate (205) is provided with an array of fixing rods (206), the tail end of the fixing rod (206) is welded with the side end of the grinding ring (201), the fixing rod (206) is located at the inner side of the rotating limiting groove (204), and the inner wall of the grinding plate (205) is provided with a second grinding layer (207).
6. The rough polishing apparatus for resin sand castings according to claim 5, wherein The grinding plate (205) is spirally arranged along the long axis direction, the inner wall and the outer surface of the grinding plate (205) are both arc surfaces, and the axis of the spiral of the grinding plate (205) is consistent with the axis of the grinding ring (201).