PU foaming wheel wear resistance testing device

Abstract

The utility model provides a PU (polyurethane) foaming wheel wear resistance testing device, which relates to the field of tire performance testing, comprises a supporting base with a rectangular frame structure, and solves the problems that when a foaming tire is tested by the existing testing device, the tire needs to be fixed on a fixed tool, and the testing efficiency is high. According to the tire wear resistance testing device, the problems that the tire cannot be rotated according to requirements to adjust the grinding position, the position needs to be continuously moved manually, and the testing efficiency is reduced in the prior art are solved, and through cooperation of a servo motor A, a transmission screw, a sliding block assembly and a guide rail assembly, the wear resistance of the tire is tested. The automatic longitudinal movement of the moving mechanism is realized; meanwhile, the servo motor B, the driving gear and the guide tooth assembly work cooperatively, so that the test piece can rotate automatically, the position does not need to be adjusted frequently and manually, the test time is greatly saved, and the test efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tire performance test field, especially relate to a PU foaming wheel wear resistance testing device. BACKGROUND

[0002] At present, PU foaming wheel is widely used in various equipment because of its good elasticity, shock absorption and light weight, such as handcart, medical equipment, mobile parts of industrial equipment, etc., however, different production processes and raw material formula will cause the wear resistance of PU foaming wheel to exist difference.

[0003] The existing testing device needs to fix the tire on the fixed tool when testing the foaming tire, and realizes wear resistance test by using external polishing equipment or manual handheld grinding equipment close to the tire, but the tire cannot rotate to adjust the polishing position according to the demand, and the position needs to be moved manually, which reduces the test efficiency.

[0004] Therefore, in view of the above scheme, the actual production and implementation are improved, and the spirit and concept of seeking good are followed, and the professional knowledge and experience are assisted, and after many thoughts and tests, the utility model is created, and a PU foaming wheel wear resistance testing device is provided to solve the problem that the existing testing device needs to fix the tire on the fixed tool when testing the foaming tire, and realizes wear resistance test by using external polishing equipment or manual handheld grinding equipment close to the tire, but the tire cannot rotate to adjust the polishing position according to the demand, and the position needs to be moved manually, which reduces the test efficiency. UTILITY MODEL CONTENTS

[0005] The utility model provides a PU foaming wheel wear resistance testing device, solves the problem that the existing testing device needs to fix the tire on the fixed tool when testing the foaming tire, and realizes wear resistance test by using external polishing equipment or manual handheld grinding equipment close to the tire, but the tire cannot rotate to adjust the polishing position according to the demand, and the position needs to be moved manually, which reduces the test efficiency.

[0006] The technical scheme of the utility model is realized, and a PU foaming wheel wear resistance testing device comprises a support base of a rectangular frame structure, and two longitudinally arranged guide rail assemblies are fixedly connected to the top surface of the support base in opposition.

[0007] The inner part of the guide rail assembly is slidably connected with a moving mechanism, the top end surface of the moving mechanism is fixedly connected with two longitudinally arranged support assembly in a straight line array, the top end surface of the two support assemblies is further fixedly connected with a guide seat assembly of ring structure, the top end surface of the guide seat assembly is provided with a guide groove of ring structure, and the inner wall of the guide seat assembly is fixedly connected with a guide tooth assembly in a ring array;

[0008] As a preferred embodiment, the outer side of the moving mechanism is fixedly connected with a sliding block assembly, wherein every two longitudinally adjacent sliding block assemblies form a group, and the two groups of sliding block assemblies are fixedly connected on the front and rear sides of the moving mechanism.

[0009] As a preferred embodiment, the top end surface of the support base is fixedly connected with a side guardrail, and the side guardrail is provided with two parts, and the two parts of the side guardrail are fixedly connected on the left and right sides of the support base.

[0010] As a preferred embodiment, the top end surface of the guide rail assembly is provided with a servo motor A, and the bottom end output shaft of the servo motor A is assembled with a transmission screw through a shaft coupling.

[0011] As a preferred embodiment, the inner part of the moving mechanism is provided with a screw hole matched with the transmission screw, and the servo motor A and the transmission screw jointly constitute a driving structure for the moving mechanism.

[0012] As a preferred embodiment, the top end of the guide seat assembly is provided with a table mechanism, the bottom end surface of the table mechanism is fixedly connected with a guide ring assembly of ring structure, the guide ring assembly is rotatably connected in the guide groove, the top end surface of the table mechanism is fixedly connected with a guide frame assembly, the inner side of the guide frame assembly is fixedly connected with two servo push rods in opposition, and the inner side of the servo push rod is fixedly connected with a clamping part for limiting the test piece.

[0013] As a preferred embodiment, the bottom end surface of the table mechanism is fixedly connected with two L-shaped connecting frames in opposition, the bottom end surface of the connecting frame is fixedly connected with a servo motor B, and the top end output shaft of the servo motor B is provided with a driving gear engaged with the transmission of the guide tooth assembly.

[0014] After the above technical scheme is used, the beneficial effects of the present application are as follows:

[0015] 1、In the present application, the servo motor A, the transmission screw, the sliding block assembly and the guide rail assembly are matched to realize the automatic longitudinal movement of the moving mechanism; meanwhile, the servo motor B, the driving gear and the guide tooth assembly work cooperatively to enable the test piece to rotate automatically, without the need for manual frequent position adjustment, thereby greatly saving the test time and improving the test efficiency.

[0016] 2. The utility model discloses, through the movement of mobile mechanism realizes the position adjustment of test piece in longitudinal, still can realize the multi -angle rotation of test piece through the rotation of guide seat subassembly and mesa mechanism, provides more possibility for different test demand, effectively avoids the test piece damage problem caused by the frequent replacement test platform or manual adjustment test piece position, reduces production cost. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will to the drawing needed to be used in the embodiment or prior art description simple introduction, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0018] Figure 1 It is the front side view structural schematic diagram of the wear resistance testing device of the utility model after splitting;

[0019] Figure 2 It is the mesa mechanism and guide ring subassembly combined structure schematic diagram of the wear resistance testing device of the utility model;

[0020] Figure 3 It is the support base and side guardrail combined structure schematic diagram of the wear resistance testing device of the utility model;

[0021] Figure 4 It is the support mechanism and guide rail subassembly combined structure schematic diagram of the wear resistance testing device of the utility model;

[0022] Figure 5 It is the mobile mechanism and sliding block subassembly combined structure schematic diagram of the wear resistance testing device of the utility model;

[0023] Figure 6 It is the clamping part and test piece combined structure schematic diagram of the wear resistance testing device of the utility model;

[0024] In the drawing, 1, support base;101, side guardrail;1011, guide rail subassembly;1012, servo motor A;1013, transmission screw;2, mobile mechanism;201, sliding block subassembly;2011, support assembly;2012, guide seat subassembly;2013, guide groove;2014, guide tooth subassembly;3, mesa mechanism;301, guide ring subassembly;3011, connecting frame;3012, servo motor B;3013, drive gear;3014, guide frame subassembly;3015, servo push rod;3016, clamping part;3017, test piece. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] As shown in Figures 1-6 A PU foaming wheel wear resistance testing device comprises a support base 1 of a rectangular frame structure, two longitudinally arranged guide rail assemblies 1011 are fixedly connected in opposition on the top end face of the support base 1;

[0027] A moving mechanism 2 is slidably connected in the two guide rail assemblies 1011, two longitudinally arranged support assemblies 2011 are fixedly connected in a linear array on the top end face of the moving mechanism 2, a guide seat assembly 2012 of an annular structure is further fixedly connected on the top end face of the two support assemblies 2011, a guide groove 2013 of an annular structure is formed on the top end face of the guide seat assembly 2012, and guide tooth assemblies 2014 are fixedly connected in an annular array on the inner wall of the guide seat assembly 2012.

[0028] The moving mechanism 2 is fixedly connected with a sliding block assembly 201 on the outside, every two longitudinally adjacent sliding block assemblies 201 form a group, the two groups of sliding block assemblies 201 are fixedly connected in opposition on the front and rear sides of the moving mechanism 2, a side guard rail 101 is fixedly connected on the top end face of the support base 1, there are two side guard rails 101 in total, the two side guard rails 101 are fixedly connected in opposition on the left and right sides of the support base 1, a guide frame assembly 3014 is fixedly connected on the top end face of a table mechanism 3, two servo push rods 3015 are fixedly connected in opposition on the inner side of the guide frame assembly 3014, and a clamping portion 3016 for limiting a test piece 3017 is fixedly connected on the inner side of the servo push rod 3015.

[0029] A servo motor A 1012 is mounted on the top end face of the guide rail assembly 1011, a transmission screw 1013 is assembled on the bottom end output shaft of the servo motor A 1012 through a shaft coupling, a screw hole matched with the transmission screw 1013 is formed in the moving mechanism 2, and the servo motor A 1012 and the transmission screw 1013 jointly constitute a driving structure for the moving mechanism 2.

[0030] The top end of the guide base assembly 2012 is provided with a table mechanism 3, the bottom end surface of the table mechanism 3 is fixedly connected with a ring-shaped guide ring assembly 301, the guide ring assembly 301 is rotationally connected in the guide groove 2013, the bottom end surface of the table mechanism 3 is fixedly connected with two L-shaped connecting frames 3011 in opposition, the bottom end surface of the connecting frame 3011 is fixedly connected with a servo motor B 3012, and the top end output shaft of the servo motor B 3012 is provided with a driving gear 3013 which is in meshing transmission with the guide tooth assembly 2014.

[0031] In use, when the PU foaming wheel wear resistance test is performed, first, the PU foaming wheel to be tested (i.e., the test piece 3017) is placed between the clamping portions 3016, the servo push rod 3015 is started, the servo push rod 3015 pushes the clamping portions 3016 inward, so as to firmly clamp the test piece 3017, and ensure that the test piece 3017 does not displace during the test;

[0032] Then, the servo motor A 1012 is started, the bottom end output shaft of the servo motor A 1012 drives the transmission screw 1013 to rotate, since the moving mechanism 2 is provided with screw holes matched with the transmission screw 1013 inside, when the transmission screw 1013 rotates, the moving mechanism 2 moves longitudinally along the guide rail assembly 1011, the sliding block assemblies 201 fixedly connected to the outside of the moving mechanism 2 are each group of two longitudinally adjacent sliding block assemblies 201, and the two groups are respectively located on the front and rear sides of the moving mechanism 2, and the sliding block assemblies 201 slide in the guide rail assembly 1011, thereby providing stable guidance and support for the movement of the moving mechanism 2;

[0033] When the moving mechanism 2 moves to the appropriate position, the servo motor B 3012 is started, the top end output shaft of the servo motor B 3012 drives the driving gear 3013 to rotate, the driving gear 3013 is in meshing transmission with the guide tooth assembly 2014, since the guide tooth assembly 2014 is fixedly connected in an annular array on the inner wall of the guide base assembly 2012, the rotation of the driving gear 3013 drives the guide base assembly 2012 to rotate around its central axis, and the table mechanism 3 is rotationally connected in the guide groove 2013 at the top end of the guide base assembly 2012 through the bottom end guide ring assembly 301, therefore, when the guide base assembly 2012 rotates, the table mechanism 3 rotates accordingly, thereby driving the test piece 3017 fixed on the clamping portion 3016 to rotate, so as to adjust the different positions of the test piece 3017;

[0034] During the entire test process, the support base 1 provides stable support for the device, the side guardrails 101 are fixed on the left and right sides of the support base 1, and have a protection function, so as to prevent the test piece 3017 from flying out accidentally during the test, and to ensure the safety of the operator.

[0035] In the description of the utility model, need understanding is, the orientation or position relation that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the device or element referred to must have a particular orientation, is constructed and operated in a particular orientation, therefore can not be understood as a restriction on the utility model. In the description of the utility model, unless otherwise specified and limited, it needs to be explained that the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be mechanical connection or electrical connection, can also be the communication of two elements inside, can be directly connected, also can be indirectly connected through intermediate medium, for the ordinary skill in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0036] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A PU foamed wheel abrasion resistance testing device comprising a rectangular frame structure support base (1), characterized in that, The top surface of the support base (1) is fixedly connected with two longitudinally arranged guide rail assemblies (1011) in opposition; The inside of the two guide rail assemblies (1011) is slidably connected with a moving mechanism (2), the top surface of the moving mechanism (2) is fixedly connected with two longitudinally arranged support assemblies (2011) in a linear array, the top surface of the two support assemblies (2011) is further fixedly connected with a ring-shaped guide seat assembly (2012), the top surface of the guide seat assembly (2012) is provided with a ring-shaped guide groove (2013), and the inner wall of the guide seat assembly (2012) is fixedly connected with a guide tooth assembly (2014) in a ring-shaped array.

2. The PU foamed wheel abrasion resistance testing device of claim 1, wherein, The outer side of the moving mechanism (2) is fixedly connected with a slider assembly (201), wherein every two longitudinally adjacent slider assemblies (201) form a group, and the two groups of slider assemblies (201) are fixedly connected to the front and rear sides of the moving mechanism (2) in opposition.

3. The PU foamed wheel abrasion resistance testing device of claim 1, wherein, The top surface of the support base (1) is fixedly connected with a side guardrail (101), and the side guardrail (101) is provided with two parts, and the two side guardrails (101) are fixedly connected to the left and right sides of the support base (1) in opposition.

4. The PU foamed wheel abrasion resistance testing device of claim 1, wherein, The top surface of the guide rail assembly (1011) is provided with a servo motor A (1012), and the bottom output shaft of the servo motor A (1012) is assembled with a transmission screw (1013) through a shaft coupling.

5. The PU foamed wheel abrasion resistance testing device of claim 1, wherein, The inside of the moving mechanism (2) is provided with a screw hole matched with the transmission screw (1013), and the servo motor A (1012) and the transmission screw (1013) jointly constitute a driving structure for the moving mechanism (2).

6. The PU foamed wheel abrasion resistance testing device of claim 1, wherein, The top end of the guide seat assembly (2012) is provided with a table mechanism (3), the bottom surface of the table mechanism (3) is fixedly connected with a ring-shaped guide ring assembly (301), and the guide ring assembly (301) is rotatably connected in the guide groove (2013).

7. The PU foamed wheel abrasion resistance testing device of claim 6, wherein, The bottom surface of the table mechanism (3) is fixedly connected with two L-shaped connecting frames (3011) in opposition, the bottom surface of the connecting frame (3011) is fixedly connected with a servo motor B (3012), the top output shaft of the servo motor B (3012) is provided with a driving gear (3013) engaged with the guide tooth assembly (2014) for transmission, the top surface of the table mechanism (3) is fixedly connected with a guide frame assembly (3014), the inner side of the guide frame assembly (3014) is fixedly connected with two servo push rods (3015) in opposition, and the inner side of the servo push rod (3015) is fixedly connected with a clamping portion (3016) for limiting a test piece (3017).

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