Die inner wall polishing device

Abstract

The utility model provides a mold inner wall polishing device, which relates to the technical field of polishing devices, and comprises a support bedplate, a polishing part is rotatably mounted above the middle position of the support bedplate in the width direction, and a high rail lower pre-buried mold to be polished is loaded on the support bedplate. The polishing part is used for polishing the inner wall of the pre-embedded mold under the high rail; two long-strip clamping plates are symmetrically mounted above the middle position in the length direction of the supporting table plate in a sliding manner, and the two long-strip clamping plates are used for clamping and positioning a pre-embedded mold below the high rail in the polishing process; two U-shaped sliding frames are symmetrically welded to the sides, away from each other, of the two long-strip clamping plates. A vertically-supported threaded propeller shaft is rotationally hoisted in the center of the supporting platen, and a relay transmission assembly is installed on the threaded propeller shaft in a screwed mode. Compared with the prior art, the polishing device has the advantages that a set of parts for manufacturing can be omitted from being configured for each of the two mechanisms, the overall structure of the polishing device can be simplified, and the manufacturing cost can be reduced.

Description

Technical Field

[0001] This utility model relates to the field of polishing device technology, and in particular to a polishing device for the inner wall of a mold. Background Technology

[0002] To ensure rust prevention, the pre-embedded molds under high-speed rail tracks need to be coated with anti-rust paint on their inner and outer surfaces after manufacturing. Before painting, the inner and outer surfaces of the pre-embedded molds under high-speed rail tracks need to be ground and polished. When painting the inner surface of the pre-embedded molds under high-speed rail tracks, a mold inner wall polishing device is required.

[0003] Existing polishing equipment is equipped with a positioning mechanism that clamps and positions the workpiece during the polishing process, and a pushing and sliding mechanism that pushes the workpiece to slide relative to the polishing assembly and receive thorough polishing. However, the optimization design of these two mechanisms is not reasonable enough, and they cannot be integrated together to share most or all of the parts for manufacturing. This results in the need to configure a separate set of parts for each of the two mechanisms for manufacturing, which is not conducive to simplifying the structure of the polishing equipment and reducing manufacturing costs. Utility Model Content

[0004] In view of this, the present invention provides a mold inner wall polishing device to solve the problem that the positioning mechanism and the top pushing sliding mechanism cannot be integrated together and share most or all of the parts for production, which requires a separate set of parts for each of the two mechanisms, which is not conducive to simplifying the structure of the polishing device and reducing manufacturing costs.

[0005] The technical solution proposed by this utility model is: a mold inner wall polishing device, specifically including: a support plate, a polishing component is rotatably installed above the middle position in the width direction of the support plate, a high-speed rail pre-embedded mold to be polished is placed on the support plate, and the polishing component is used to polish the inner wall of the high-speed rail pre-embedded mold.

[0006] Two long strip clamps are symmetrically slidably installed above the middle position of the support platform along its length. These two long strip clamps are used to clamp and position the pre-embedded mold under the high-speed rail during the polishing process. Two U-shaped sliding frames are symmetrically welded to the opposite sides of the two long strip clamps. A vertically supporting threaded propulsion shaft is rotatably suspended at the center position of the support platform, and a relay transmission assembly is screwed onto the threaded propulsion shaft.

[0007] The relay transmission assembly is composed of a central threaded ring and a rectangular transmission frame welded to the outer ring of the central threaded ring. Two transmission shaft sleeves are symmetrically slidably mounted on the two long side shafts of the rectangular transmission frame. Each transmission shaft sleeve is rotatably connected to the two U-shaped sliding frames by a connecting rod. The four connecting rods are symmetrically arranged.

[0008] Furthermore,

[0009] The central threaded ring is screwed into the threaded push shaft.

[0010] Furthermore,

[0011] The support platform has a long rectangular structure, and two L-shaped mounting blocks are symmetrically welded on both long sides.

[0012] The U-shaped sliding frame is arranged horizontally, and the four longitudinal support side shafts on the two U-shaped sliding frames are corresponding to the top parts of the four L-shaped mounting blocks and slide through them.

[0013] The tail ends of the four connecting rods are rotatably connected to the cross braces on the two U-shaped sliding frames.

[0014] Furthermore,

[0015] A motor is fixedly installed above the rear end of the support platform, and a transverse drive shaft is screwed to the front end of the motor shaft. The polishing component is fixedly mounted on the transverse drive shaft.

[0016] Two long transmission grooves are symmetrically opened on the circumferential side of the transverse drive shaft.

[0017] Furthermore,

[0018] The polishing component is composed of a long bushing and several metal polishing wires distributed around the outer circumference of the long bushing. The long bushing is slidably fitted with the transverse drive shaft. Two transmission keys are protruding on the inner circumference of the bushing, and the two transmission keys are slidably fitted with two long transmission grooves.

[0019] Furthermore,

[0020] The high-speed rail under-embedded mold has a T-shaped groove along its length inside, and a long strip-shaped opening is opened through the middle part of the bottom side of the T-shaped groove. The high-speed rail under-embedded mold is fitted with the polishing component through the long strip-shaped opening and the T-shaped groove.

[0021] When the polishing component rotates, the metal polishing wire comes into frictional contact with the inner wall of the pre-embedded mold under the high-speed rail, which is formed by the T-shaped groove.

[0022] Furthermore,

[0023] An inverted T-shaped positioning block is fixedly installed on the top side of the first end of the support platform, and the first end of the transverse drive shaft is rotatably engaged with the top end of the T-shaped positioning block.

[0024] The tail end of the transverse drive shaft is welded with a limit ring, and the two ends of the long shaft sleeve are respectively in contact with the T-shaped positioning block and the limit ring.

[0025] Furthermore,

[0026] Multiple rows of balls arranged in a circular pattern are embedded in the inner circumference of the transmission shaft sleeve, and the balls roll and abut against the long side shaft of the rectangular transmission frame.

[0027] The mold inner wall polishing device provided by this utility model has the following beneficial effects:

[0028] I. The drive kit, composed of the four crank-slider mechanisms, with two freely sliding transmission shaft sleeves, can serve as both a positioning mechanism for clamping and positioning the pre-embedded mold under the high-speed rail and a pushing-sliding mechanism for pushing and driving the pre-embedded mold under the high-speed rail to slide relative to the polishing component for thorough polishing. This integrates the positioning mechanism and the pushing-sliding mechanism into a single drive kit, allowing them to be manufactured using all common components. Compared to existing technologies where the two mechanisms are poorly designed and cannot be integrated to share most or all of the components, this eliminates the need for separate sets of components for each mechanism, simplifying the overall structure of the polishing device and reducing manufacturing costs.

[0029] Second, the ball bearings, through their rolling guiding effect, can effectively reduce the frictional sliding resistance between the two transmission shaft sleeves and the relay transmission components, and reduce the sliding resistance effect of the frictional sliding resistance on the two long strip clamps, so that the full polishing function of the pre-embedded mold under the high-speed rail can be implemented normally, smoothly and effectively. Attached Figure Description

[0030] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0031] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0032] Figure 1 A schematic diagram of the overall structure of this utility model is shown;

[0033] Figure 2 A schematic diagram of the overall bottom side structure of this utility model is shown;

[0034] Figure 3 A schematic diagram showing the installation position of the long strip clamp of this utility model is provided;

[0035] Figure 4 A schematic diagram showing the disassembled state of the polishing component of this utility model is shown;

[0036] Figure 5 A schematic diagram of the relay transmission assembly structure of this utility model is shown;

[0037] Figure 6 A schematic diagram of the transmission shaft sleeve structure of this utility model is shown.

[0038] List of reference numerals in the attached diagram:

[0039] 1. Support plate; 101. T-shaped bracket; 102. Long strip bearing plate; 103. L-shaped mounting block; 104. T-shaped positioning block; 105. Threaded push shaft;

[0040] 2. Motor; 201. Lateral drive shaft;

[0041] 3. Embedded molds under high-speed railway tracks;

[0042] 4. Long strip clamp; 401. U-shaped sliding frame; 402. Connecting rod;

[0043] 5. Polished parts;

[0044] 6. Relay transmission assembly; 601. Transmission shaft sleeve. Detailed Implementation

[0045] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this 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, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0046] Please refer to Figures 1 to 6 Example 1:

[0047] This utility model proposes a mold inner wall polishing device, including: a support plate 1, a polishing component 5 rotatably installed above the middle position in the width direction of the support plate 1, a high-speed rail pre-embedded mold 3 to be polished is placed on the support plate 1, and the polishing component 5 is used to polish the inner wall of the high-speed rail pre-embedded mold 3.

[0048] Two long strip clamps 4 are symmetrically slidably installed above the middle position of the support plate 1 along its length. The two long strip clamps 4 are used to clamp and position the pre-embedded mold 3 under the high-speed rail during the polishing process. Two U-shaped sliding frames 401 are symmetrically welded on the opposite sides of the two long strip clamps 4. A vertically supporting threaded propulsion shaft 105 is rotatably suspended at the center position of the support plate 1. A relay transmission assembly 6 is screwed onto the threaded propulsion shaft 105.

[0049] The relay transmission assembly 6 is composed of a central threaded ring and a rectangular transmission frame welded to the outer ring of the central threaded ring. Two transmission shaft sleeves 601 are symmetrically slidably mounted on the two long side shafts of the rectangular transmission frame. Each transmission shaft sleeve 601 is rotatably connected to the two U-shaped sliding frames 401 by a connecting rod 402. The four connecting rods 402 are symmetrically arranged.

[0050] Four connecting rods 402, two U-shaped sliding frames 401, two long strip clamps 4, two transmission shaft sleeves 601, and a relay transmission assembly 6 are connected to form a four-crank slider mechanism. Through this four-mechanism, the relay transmission assembly 6 slides up and down, which can drive the two U-shaped sliding frames 401 and the two long strip clamps 4 to slide towards each other to tighten or loosen the pre-embedded mold 3 under the high-speed rail. The threaded push shaft 105 can rotate in both directions to drive the relay transmission assembly 6 to slide up and down, providing the two long strip clamps 4 with the tightening or loosening driving force for sliding towards each other.

[0051] When the two long clamping plates 4 are in the clamping state, they can drive the high-speed rail pre-embedded mold 3, which is clamped and positioned by them, to slide back and forth longitudinally, control the inner wall of the high-speed rail pre-embedded mold 3 to slide relative to the polishing part 5, and carry out a comprehensive and thorough grinding and polishing.

[0052] The two transmission shaft sleeves 601 slide with the two long side shafts on the rectangular transmission frame, which prevents the two transmission shaft sleeves 601 from sliding and limiting the two long strip clamps 4. This allows the two long strip clamps 4 to drive the high-speed rail pre-embedded mold 3, which is clamped and positioned by them, to slide freely back and forth longitudinally and receive the full and thorough polishing of the polishing component 5. This helps to ensure the normal and effective implementation of the full and thorough polishing function of the inner wall of the high-speed rail pre-embedded mold 3.

[0053] The drive kit, composed of the four crank-slider mechanisms, with two freely sliding transmission shaft sleeves 601, can serve as both a positioning mechanism for clamping and positioning the pre-embedded mold 3 under the high-speed rail and a pushing-sliding mechanism for pushing and driving the pre-embedded mold 3 under the high-speed rail to slide relative to the polishing component 5 for thorough polishing. This integrates the positioning mechanism and the pushing-sliding mechanism into a single drive kit, allowing them to be manufactured using all the common components. Compared to existing technologies where the two mechanisms are poorly designed and cannot be integrated to share most or all of the components, this eliminates the need to configure separate sets of components for each mechanism, simplifying the overall structure of the polishing device and reducing manufacturing costs.

[0054] Preferred,

[0055] The central threaded ring and the threaded push shaft 105 are screwed and fitted together.

[0056] Preferred,

[0057] The support platform 1 has a long rectangular structure, and two L-shaped mounting blocks 103 are symmetrically welded on both long sides;

[0058] The U-shaped sliding frame 401 is arranged horizontally, and the four longitudinal support side shafts on the two U-shaped sliding frames 401 correspond to the top parts of the four L-shaped mounting blocks 103 and slide through them.

[0059] The tail ends of the four connecting rods 402 are rotatably connected to the cross braces on the two U-shaped sliding frames 401.

[0060] Preferred,

[0061] A motor 2 is fixedly installed above the tail end of the support plate 1. The first end of the motor 2 shaft is screwed to a transverse drive shaft 201, and the polishing component 5 is fixedly mounted on the transverse drive shaft 201.

[0062] Two long transmission grooves are symmetrically opened on the circumferential side of the transverse drive shaft 201.

[0063] Preferred,

[0064] The polishing component 5 is composed of a long shaft sleeve and several metal polishing wires distributed around the outer circumference of the long shaft sleeve. The long shaft sleeve is slidably inserted into the transverse drive shaft 201. Two transmission key strips are protruding on the inner circumference of the shaft sleeve, and the two transmission key strips are slidably inserted into the two long transmission grooves.

[0065] Through the power transmission of two transmission keys and two long transmission grooves, the motor 2 and the transverse drive shaft 201 can drive the polishing component 5 to rotate at high speed, thereby realizing the grinding and polishing of the inner wall of the pre-embedded mold 3 under the high-speed rail.

[0066] Preferred,

[0067] The high-speed rail under-embedded mold 3 has a T-shaped groove along its length inside. A long strip-shaped opening is opened through the middle part of the bottom side of the T-shaped groove. The high-speed rail under-embedded mold 3 is fitted with the polishing component 5 through the long strip-shaped opening and the T-shaped groove. When the polishing component 5 rotates, the metal polishing wire comes into frictional contact with the inner wall formed by the T-shaped groove on the high-speed rail under-embedded mold 3.

[0068] The metal polishing wires are arranged in a uniform and dense manner. The polishing component 5 polishes the inner wall of the pre-embedded mold 3 under the high-speed rail by surrounding the uniformly distributed metal polishing wires.

[0069] Preferred,

[0070] An inverted T-shaped positioning block 104 is fixedly installed on the top side of the first end of the support plate 1, and the first end of the transverse drive shaft 201 is rotatably engaged with the top end of the T-shaped positioning block 104.

[0071] A limit ring is welded to the tail end of the transverse drive shaft 201, and the two ends of the long shaft sleeve are respectively in contact with the T-shaped positioning block 104 and the limit ring.

[0072] Based on Example 1, Example 2:

[0073] Preferred,

[0074] The inner circumferential wall of the transmission shaft sleeve 601 is inlaid with multiple rows of balls arranged in a ring, and the balls roll against the long side shaft of the rectangular transmission frame.

[0075] When the two long strip clamping plates 4 are fully polished after being clamped and positioned by the sliding drive, the two transmission shaft sleeves 601 will be driven to slide back and forth along the two long side shafts of the relay transmission component 6. When the relay transmission component 6 is pushed down and controlled to clamp and position the two long strip clamping plates 4 on the high-speed rail pre-embedded mold 3, the reverse pull of the four connecting rods 402 will generate a large frictional sliding resistance between them and the two transmission shaft sleeves 601. This frictional sliding resistance will hinder the normal and smooth sliding of the two transmission shaft sleeves 601, affecting the normal and smooth implementation of the full polishing function of the high-speed rail pre-embedded mold 3.

[0076] Through its rolling and guiding effect, the ball bearing can effectively reduce the above frictional sliding resistance and eliminate the sliding resistance effect of frictional sliding resistance on the two long strip clamps 4, so that the full polishing function of the pre-embedded mold 3 under the high-speed rail can be implemented normally, smoothly and effectively.

[0077] Preferred,

[0078] A long strip bearing plate 102 is welded to the top of the support platform 1, and the pre-embedded mold 3 under the high-speed rail is placed on the top of the long strip bearing plate 102; two T-shaped brackets 101 are symmetrically welded to the bottom of the first and last ends of the support platform 1.

[0079] Working principle: In use, the pre-embedded mold 3 under the high-speed rail is placed on the top of the long support plate 102. The two long clamping plates 4 are used to clamp and position the pre-embedded mold 3 under the high-speed rail during the polishing process. The four connecting rods 402, the two U-shaped sliding frames 401, the two long clamping plates 4, the two transmission shaft sleeves 601, and the relay transmission assembly 6 are connected to form a four-crank slider mechanism. Through this four-mechanism, the relay transmission assembly 6 slides up and down, which can drive the two U-shaped sliding frames 401 and the two long clamping plates 4 to slide towards each other to tighten or loosen the pre-embedded mold 3 under the high-speed rail. The threaded push shaft 105 can rotate forward and backward to drive the relay transmission assembly 6 to slide up and down, providing the two long clamping plates 4 with the tightening and loosening driving force for sliding towards each other.

[0080] When the two long clamping plates 4 are in the clamping state, they can drive the high-speed rail pre-embedded mold 3, which is clamped and positioned by them, to slide back and forth longitudinally, control the inner wall of the high-speed rail pre-embedded mold 3 to slide relative to the polishing part 5, and carry out a comprehensive and thorough grinding and polishing.

[0081] Through the power transmission of two transmission keys and two long transmission grooves, the motor 2 and the transverse drive shaft 201 can drive the polishing component 5 to rotate at high speed, thereby realizing the grinding and polishing of the inner wall of the pre-embedded mold 3 under the high-speed rail.

[0082] The following points should be noted in this article:

[0083] 1. The accompanying drawings of this utility model embodiment only involve the structure involved in this utility model embodiment; other structures can refer to general designs.

[0084] 2. Where there is no conflict, the embodiments of this utility model and the features in the embodiments can be combined with each other to obtain new embodiments.

[0085] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A mold inner wall polishing device, comprising: A support plate (1) is provided, and a polishing component (5) is rotatably installed above the middle position in the width direction of the support plate (1). The support plate (1) supports and places a high-speed rail pre-embedded mold (3) to be polished. The polishing component (5) is used to polish the inner wall of the high-speed rail pre-embedded mold (3). The feature is that two long strip clamps (4) are symmetrically slidably installed above the middle position of the support plate (1) in the length direction. The two long strip clamps (4) are used to clamp and position the pre-embedded mold (3) under the high-speed rail during the polishing process. Two U-shaped sliding frames (401) are symmetrically welded on the two long strip clamps (4) on opposite sides. A vertically supporting threaded propulsion shaft (105) is rotatably suspended at the center position of the support plate (1). A relay transmission assembly (6) is screwed onto the threaded propulsion shaft (105). The relay transmission assembly (6) is composed of a central threaded ring and a rectangular transmission frame welded to the outer ring of the central threaded ring. Two transmission shaft sleeves (601) are symmetrically slidably mounted on the two long side shafts of the rectangular transmission frame. Each transmission shaft sleeve (601) is rotatably connected to the two U-shaped sliding frames (401) by a connecting rod (402). The four connecting rods (402) are symmetrically arranged.

2. The mold inner wall polishing device according to claim 1, characterized in that, The central threaded ring is screwed into the threaded push shaft (105).

3. The mold inner wall polishing device according to claim 1, characterized in that, The support platform (1) has a long rectangular structure, and two L-shaped mounting blocks (103) are symmetrically welded on both long sides. The U-shaped sliding frame (401) is arranged horizontally, and the four longitudinal support side shafts on the two U-shaped sliding frames (401) correspond to the top parts of the four L-shaped mounting blocks (103) and slide through them. The tail ends of the four connecting rods (402) are rotatably connected to the cross braces on the two U-shaped sliding frames (401).

4. The mold inner wall polishing device according to claim 1, characterized in that, A motor (2) is fixedly installed above the tail end of the support plate (1). The first end of the motor (2) shaft is screwed to a transverse drive shaft (201). The polishing component (5) is fixedly mounted on the transverse drive shaft (201). The transverse drive shaft (201) has two long transmission grooves symmetrically opened on its circumferential side.

5. A mold inner wall polishing device according to claim 4, characterized in that, The polishing component (5) is composed of a long bushing and several metal polishing wires distributed around the outer circumference of the long bushing. The long bushing is slidably fitted with the transverse drive shaft (201). Two transmission key strips are protruding on the inner circumference of the bushing, and the two transmission key strips are slidably fitted with two long transmission grooves.

6. The mold inner wall polishing device according to claim 1, characterized in that, The high-speed rail under-embedded mold (3) has a T-shaped groove inside along the length direction. The bottom middle part of the T-shaped groove has a long strip-shaped opening. The high-speed rail under-embedded mold (3) is fitted with the polishing component (5) through the long strip-shaped opening and the T-shaped groove. When the polishing component (5) rotates, the metal polishing wire comes into frictional contact with the inner wall formed by the T-groove on the pre-embedded mold (3) under the high-speed rail.

7. A mold inner wall polishing device according to claim 5, characterized in that, An inverted T-shaped positioning block (104) is fixedly installed on the top side of the first end of the support plate (1), and the first end of the transverse drive shaft (201) is rotatably engaged with the top end of the T-shaped positioning block (104). The tail end of the transverse drive shaft (201) is welded with a limiting ring, and the two ends of the long shaft sleeve are respectively in contact with the T-shaped positioning block (104) and the limiting ring.

8. A mold inner wall polishing device according to claim 1, characterized in that, Multiple rows of balls arranged in a circular pattern are inlaid on the inner circumference of the transmission shaft sleeve (601), and the balls roll against the long side shaft of the rectangular transmission frame.

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