Traveling wheel structure cast by resin sand

Abstract

The utility model discloses a walking wheel structure cast by resin sand, relates to the technical field of walking wheels, and aims to solve the technical problem that a large amount of chippings and sundries are easily accumulated in a U-shaped groove of a conventional U-shaped guide rail wheel to influence the rotation flexibility of the guide rail wheel. The walking wheel structure comprises a bottom plate, a shaft seat is arranged on the upper surface of the bottom plate, and a wheel shaft is arranged in the shaft seat; the wheel shaft is inserted into the shaft hole through a bolt and is arranged in the shaft seat, a U-shaped guide rail wheel is arranged on the wheel shaft, sliding grooves are formed in the two sides of the inner wall of the shaft seat, scraping mechanisms are arranged in the middles of the interiors of the sliding grooves, and ejection mechanisms are arranged on the two sides of the interiors of the sliding grooves. Through the design of the scraper structure, when the U-shaped guide rail wheel rotates under the action of a component in contact with the surface of the U-shaped guide rail wheel, sundries adhered in the U-shaped groove can be scraped by the scraper, the sundries at the contact position of the U-shaped guide rail wheel and the component are obviously reduced, and the problem that a large number of sundries are easily accumulated in the U-shaped groove of the U-shaped guide rail wheel in the prior art is effectively solved. And the rotation flexibility is further influenced.

Description

TECHNICAL FIELD

[0001] The utility model relates to walking wheel technical field, more specifically, relate to a resin sand casting's walking wheel structure. BACKGROUND

[0002] Manufacture walking wheel in resin sand casting process, can make walking wheel have higher precision and good surface quality. Walking wheel contains various types, wherein guide rail wheel can be divided into U type guide rail wheel, H type guide rail wheel and different kinds according to its structure shape. These guide rail wheels have respective application scenes under different equipment and working conditions. In harsh working environment such as sand blasting equipment, textile machinery, U type guide rail wheel is widely applied.

[0003] However, since the environment is full of a large amount of debris, dust and other sundries, a large amount of debris and sundries can easily accumulate in the U type groove of the U type guide rail wheel. These impurities can increase the friction between the guide rail wheel and the guide rail, affect the rotation flexibility of the guide rail wheel, and thus cause the equipment to run jammed, reducing the production efficiency. In view of this, we propose a resin sand casting walking wheel structure. UTILITY MODEL CONTENT

[0004] The utility model discloses a resin sand casting walking wheel structure to overcome the prior art's insufficient, adapt to the reality needs, to solve the U type groove of the U type guide rail wheel in the past and easily accumulate a large amount of debris and sundries affect the rotation flexibility of guide rail wheel technical problem.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a resin sand casting walking wheel structure, including the bottom plate, the bottom plate upper surface is arranged with the axle seat, the axle seat is arranged with the wheel shaft in, the wheel shaft is arranged in the axle seat through bolt insertion axle hole, the wheel shaft is arranged with U type guide rail wheel, the axle seat inner wall both sides are seted up with the sliding slot, the sliding slot inside middle part is arranged with the scraping mechanism, the sliding slot inside both sides are arranged with the ejection mechanism.

[0006] The scraping mechanism includes a base, a cavity A is formed in the middle of the base, a moving block is arranged on one side of the cavity A, a scraper is arranged on the upper surface of the moving block, and the lower surface of the moving block is connected to the cavity A through a spring piston.

[0007] Preferably, the ejection mechanism includes a socket formed on both sides of the sliding slot, a push block is arranged in the socket, one end of the push block is connected to a spring A, and one end of the spring A is arranged with a limit block A.

[0008] Preferably, sliding blocks are arranged on both sides of the outer wall of the base, a cavity B is formed in the sliding block, a spring B is arranged in the cavity B, one end of the spring B is connected to an insertion block, one end of the insertion block is arranged with a limit block B, and the other end of the insertion block is inserted into the socket.

[0009] Preferably, the other side of the cavity A is arranged with a wire sleeve, a lead screw is inserted into the wire sleeve, a hand wheel is fixed to one end of the lead screw, a guide block is fixed to the other end of the lead screw, and the guide block is inserted into a slanted groove arranged in the moving block.

[0010] Preferably, the scraper is in U shape, and the size of the scraper is consistent with the size of the U-shaped groove of the U-shaped guide rail wheel.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1. The utility model discloses a scraper structure is designed, when the U-shaped guide rail wheel is rotated under the action of the component in contact with the surface, the sundries adhered in the U-shaped groove can be scraped by the scraper, the sundries in the contact position of the U-shaped guide rail wheel and the component are reduced significantly, the problem that the U-shaped groove of the U-shaped guide rail wheel is prone to a large number of sundries accumulation is solved effectively, and the rotating flexibility of the U-shaped guide rail wheel is further affected, the moving block and spring piston structure are designed, the scraper fixed in the inside can move up and down in the base, when the scraper contacts the surface of the U-shaped groove of the U-shaped guide rail wheel, the elasticity of the spring piston is resisted, the scraper is embedded in the U-shaped groove, and the hard sundries in the U-shaped groove can be elastically avoided, so that the damage of the scraper caused by hard scraping is avoided.

[0013] 2. The utility model discloses that the socket is arranged, and the elastic plug can be inserted into the inside, and the movement of the base and the scraper is indirectly limited, the push block and spring A structure are designed, when the plug is inserted into the socket, the push block is pushed, the plug can be pushed out from the socket by the push block pressed outside the shaft seat by the staff, the base is limited, and the staff indirectly takes out the base to operate the scraper, the installation of the limiting block A makes the spring A not push the push block out from the socket, the plug is inserted into the socket by the spring B elasticity of the plug after the both ends of the base slide to the lower side of the U-shaped guide rail wheel by the sliding block in the sliding groove, and the scraper installed in the base is indirectly limited and fixed at the lower side of the U-shaped guide rail wheel, and the installation of the limiting block B makes the spring B not push the plug out from the cavity B.

[0014] 3. The utility model discloses a wire sleeve and lead screw mechanism, so that the staff can control the position of the guide block in the slanted groove in the inside of the base by the hand wheel outside the base, the use height position of the scraper is indirectly adjusted, the guide block and slanted groove structure are designed, the transverse moving force of the lead screw can be converted into the longitudinal moving force of changing the height position of the scraper, and the staff can change which scraper is used according to the rotating direction of the U-shaped guide rail wheel. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view appearance structure schematic diagram of the utility model.

[0016] Figure 2 It is the main view explosion structure schematic diagram of the utility model;

[0017] Figure 3 It is the axle seat cut open main view structure schematic diagram of the utility model;

[0018] Figure 4 It is the axle seat cut open plan view structure schematic diagram of the utility model;

[0019] Figure 5 It is the utility model's Figure 4 Enlarged view at A;

[0020] Figure 6 It is the appearance structure schematic diagram of the utility model's scraping mechanism;

[0021] Figure 7 It is the cut open structure schematic diagram of the utility model's scraping mechanism;

[0022] Figure 8 It is the utility model's sliding block internal structure schematic diagram.

[0023] Mark explanation in the drawing:

[0024] 1, bottom plate;2, axle seat;3, wheel shaft;4, U-shaped guide rail wheel;5, sliding slot;6, scraping mechanism;601, base;602, cavity A;603, moving block;604, scraper;605, spring piston;606, sliding block;607, cavity B;608, spring B;609, plug;6010, limit block B;6011, silk cover;6012, screw;6013, hand wheel;6014, guide block;6015, inclined slot;7, ejection mechanism;701, socket;702, push block;703, spring A;704, limit block A. Specific implementation

[0025] As Figures 1 to 8 Indicated, the utility model relates to a kind of walking wheel structure of resin sand casting, including bottom plate 1, bottom plate 1 upper surface is arranged with axle seat 2, axle seat 2 is arranged with wheel shaft 3 inside, wheel shaft 3 is arranged in axle seat 2 by bolt insertion axle hole, wheel shaft 3 is arranged with U-shaped guide rail wheel 4, it is worth mentioning that, U-shaped guide rail wheel 4 is cast into shape using resin sand material in the utility model;Sliding slot 5 is formed in the inner wall both sides of axle seat 2, scraping mechanism 6 is arranged in the middle of sliding slot 5 inside, ejection mechanism 7 is arranged in the both sides of sliding slot 5 inside.

[0026] The scraping mechanism 6 comprises a base 601, a cavity A 602 is formed in the middle of the base 601, a moving block 603 is arranged on one side in the cavity A 602, a scraper 604 is arranged on the upper surface of the moving block 603, and the lower surface of the moving block 603 is connected to the cavity A 602 through a spring piston 605. The utility model discloses a wheel shaft 3, a bolt and a shaft hole structure are designed, so that the U-shaped guide rail wheel 4 can be rotatably installed in the shaft seat 2, the sliding groove 5 is formed, so that the scraping mechanism 6 can be movably installed in the sliding groove 5, which is convenient for taking out in the later period and installing in the early period, the scraper 604 structure is designed, when the U-shaped guide rail wheel 4 is rotated under the action of the surface contact component, the sundries adhered in the U-shaped groove can be scraped by the scraper 604, the sundries at the contact position of the U-shaped guide rail wheel 4 and the component are significantly reduced, the problem that the U-shaped groove of the U-shaped guide rail wheel 4 is prone to accumulating a large amount of sundries, and then affecting the rotating flexibility is effectively solved, the moving block 603 and the spring piston 605 structure are designed, so that the scraper 604 fixed in the moving block 603 can be lifted and moved in the base 601, when the scraper 604 contacts the surface of the U-shaped groove of the U-shaped guide rail wheel 4, the scraper 604 is elastically resisted by the spring piston 605, so that the scraper 604 is embedded in the U-shaped groove, and the scraper 604 can be elastically avoided when encountering the sundries that are solidified and fixed in the U-shaped groove, so that damage of the scraper 604 caused by hard scraping is avoided.

[0027] In the embodiment of the utility model, the ejection mechanism 7 comprises the sockets 701 formed in the two sides of the sliding groove 5, the push block 702 is arranged in the socket 701, one end of the push block 702 is connected with the spring A 703, and the spring A 703 is arranged with the limiting block A 704 at one end. The socket 701 formed in the utility model makes the elastic plug 609 can be inserted into the socket 701, and indirectly limits the movement of the base 601 and the scraper 604, the push block 702 and the spring A 703 structure are designed, when the plug 609 is inserted into the socket 701, the push block 702 is pushed, the plug 609 can be pushed out from the socket 701 by the push block 702 pressed by the staff outside the shaft seat 2, the limiting of the base 601 is released, and the staff indirectly takes out the base 601 to operate the scraper 604, and the installation of the limiting block A 704 makes the spring A 703 not push the push block 702 out of the socket 701.

[0028] In the embodiment of the utility model, the outer wall of base 601 is arranged with sliding block 606, cavity B 607 is opened in sliding block 606, spring B 608 is arranged in cavity B 607, one end of spring B 608 is connected with plug block 609, one end of plug block 609 is arranged with limiting block B 6010, and the other end of plug block 609 is inserted into socket 701. The utility model discloses a plug block 609 and spring B 608 structure are designed, and after the both ends of base 601 are slid in the sliding slot 5 to the lower side of the both sides of U-shaped guide rail wheel 4, the plug block 609 of base 601 is inserted into socket 701 under the elastic influence of spring B 608, indirectly, the scraper 604 installed in base 601 is limited and fixed in the lower side of the both sides of U-shaped guide rail wheel 4, and the installation of limiting block B 6010 makes spring B 608 not push plug block 609 out of cavity B 607.

[0029] In the embodiment of the utility model, the other side inside cavity A 602 is arranged with silk cover 6011, silk cover 6011 is inserted with lead screw 6012, one end of lead screw 6012 is fixed with hand wheel 6013, the other end of lead screw 6012 is fixed with guide block 6014, and guide block 6014 is inserted into inclined slot 6015 opened in moving block 603. The utility model discloses a silk cover 6011 and lead screw 6012 mechanism are designed, so that staff can control the position of guide block 6014 in inclined slot 6015 inside base 601 through hand wheel 6013 outside base 601, indirectly adjust the use height position of scraper 604, guide block 6014 and inclined slot 6015 structure are designed, so that the transverse movement force of lead screw 6012 can be converted into the longitudinal movement force of changing the height position of scraper 604, and staff can change which scraper 604 is used according to the rotation direction of U-shaped guide rail wheel 4.

[0030] In the embodiment of the utility model, scraper 604 is U-shaped, and the size of scraper 604 is consistent with the size of the U-shaped groove of U-shaped guide rail wheel 4. The utility model discloses scraper 604 adopts U-shaped structure design to be consistent with the U-shaped groove of U-shaped guide rail wheel 4, so that the U-shaped groove in U-shaped guide rail wheel 4 can be scraped off by U-shaped scraper 604 after adhering with sundries, avoiding the phenomenon of missing scraping.

[0031] Working principle: the embodiment provides a resin sand casting walking wheel structure, when using, the staff needs to install it first, moves to the position to be used, then places the bottom plate 1 of the utility model at the position to be used, screws into the coincident fixing hole, thereby fixing and installing the utility model at the position to be used, the components that need to roll contact the U-shaped guide rail wheel 4, finally the staff takes two scraping mechanisms 6 and uses the sliding blocks 606 installed on both sides to be respectively slidably installed at both ends of the sliding slot 5, when the sliding block 606 with the plug-in block 609 installed inside slides to the middle in the sliding slot 5, the plug-in block 609 will be pushed into the socket 701 under the elastic influence of the spring B 608, the scraping plates 604 on both sides are fixed at the positions on both sides of the U-shaped guide rail wheel 4, the staff can decide whether to use the scraping plate 604 in the first scraping mechanism 6 or the second scraping mechanism 6 according to the rotating direction of the U-shaped guide rail wheel 4, if it is reverse, the staff needs to adjust the scraping plate 604 in the first scraping mechanism 6, the staff holds the hand wheel 6013 and rotates the lead screw 6012, the lead screw 6012 rotates in the silk cover 6011, the engagement of the screw thread moves the lead screw 6012 in the silk cover 6011, the moving block 603 moves up and down in the cavity A 602 under the movement of the guide block 6014 connected to one end of the moving lead screw 6012, the moving block 603 moves up and down in the cavity A 602, which moves the scraping plate 604 fixed inside together, so that the scraping plate 604 can be changed whether to contact the surface of the U-shaped guide rail wheel 4 or not, when the scraping plate 604 contacts the surface of the U-shaped guide rail wheel 4, the spring piston 605 will elastically push it, so that it perfectly fits in the U-shaped groove of the U-shaped guide rail wheel 4, when the U-shaped guide rail wheel 4 rotates forward, the staff needs to rotate the hand wheel 6013 to lower the scraping plate 604 in the first scraping mechanism 6, so as to avoid the reverse contact and damage to the scraping plate 604, the staff raises the scraping plate 604 in the second scraping mechanism 6 and contacts the U-shaped groove of the U-shaped guide rail wheel 4 to continue the operation of scraping the sundries.

[0032] 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 easily understood according to the above-mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are within the protection scope of the utility model.

Claims

1. A resin sand cast track wheel structure comprising a base plate (1), characterized in that: The bottom plate (1) upper surface is provided with an axle seat (2), the axle seat (2) is provided with an axle (3) inside, the axle (3) is arranged in the axle seat (2) by bolt insertion axle hole, the axle (3) is provided with a U-shaped guide rail wheel (4), the axle seat (2) inner wall both sides are provided with a sliding slot (5), the sliding slot (5) inside middle is provided with a scraping mechanism (6), the sliding slot (5) inside both sides are provided with an ejection mechanism (7); The scraping mechanism (6) includes a base (601), the base (601) is provided with a cavity A (602) in the middle, the cavity A (602) inside one side is provided with a moving block (603), the moving block (603) upper surface is provided with a scraper (604), and the moving block (603) lower surface is connected to the cavity A (602) through a spring piston (605).

2. A resin sand cast track wheel structure according to claim 1, characterized in that: The ejection mechanism (7) includes a socket (701) opened in the sliding slot (5) inside both sides, the socket (701) is provided with a push block (702), one end of the push block (702) is connected with a spring A (703), one end of the spring A (703) is provided with a limit block A (704).

3. A resin sand cast track wheel structure according to claim 2, characterized in that: The base (601) outer wall both sides are provided with a sliding block (606), the sliding block (606) is provided with a cavity B (607) in, the cavity B (607) is provided with a spring B (608), one end of the spring B (608) is connected with an insertion block (609), one end of the insertion block (609) is provided with a limit block B (6010), and the other end of the insertion block (609) is inserted into the socket (701).

4. A resin sand cast track wheel structure according to claim 3, characterized in that: The cavity A (602) inside the other side is provided with a silk cover (6011), the silk cover (6011) is inserted with a lead screw (6012), one end of the lead screw (6012) is fixed with a hand wheel (6013), the other end of the lead screw (6012) is fixed with a guide block (6014), the guide block (6014) is inserted into the inclined slot (6015) opened in the moving block (603).

5. A resin sand cast track wheel structure according to claim 4, characterized in that: The scraper (604) is U-shaped, and the size of the scraper (604) is consistent with the size of the U-shaped groove of the U-shaped guide rail wheel (4).

Images