Intelligent rubber ring pressing device and application method thereof

Abstract

The present invention discloses an intelligent rubber ring pressing device, including a control system and a mold frame, the mold frame includes a lower template, a middle template and an upper template arranged in sequence from bottom to top, the lower template is provided with a positioning mold base, the positioning mold base is used to position and place the wheel hub and the inertia ring; the middle template is provided with a clamping device, the clamping device is located above the positioning mold base, and the wheel hub on the positioning mold base is clamped by the clamping device; the upper template is provided with a press-fitting device, and the press-fitting device is sleeved with a rubber ring; the positioning mold base, the clamping device and the press-fitting device are arranged in a coaxial position; the top of the upper template is connected to a pressing mechanism; the lower template and the middle template are connected by a lifting device, and the middle template performs a lifting movement above the lower template; the control system is controlled and connected with the lifting device and the pressing mechanism. The wheel hub clamping of the present invention is automatically realized by the middle template and the clamping device, and does not require manual operation, and has high efficiency, is easy to use, has a high degree of automation, and is highly efficient.

Description

Technical Field

[0001] The present invention relates to the technical field of rubber ring press-fitting assembly, and in particular to an intelligent rubber ring press-fitting device and an application method thereof. Background Art

[0002] Due to the bonding problem between metal parts and rubber parts, there are few production equipments for shock absorbers composed of wheel hub, rubber ring and inertia ring. If other pressing equipments are used to press the rubber ring, the efficiency is low and the quality is poor.

[0003] Therefore, equipment dedicated to rubber ring pressing has emerged, such as this patent, with patent number 201310521430.3, entitled: A torsional damper rubber ring pressing device and pressing method thereof. The patent discloses a rubber ring pressing device and pressing method thereof, but the pressing device and pressing method are cumbersome to operate and have a low degree of automation. Summary of the invention

[0004] The purpose of the present invention is to provide an intelligent rubber ring pressing device which is easy to use, highly automated and efficient.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] An intelligent rubber ring pressing device comprises a mold frame and a control system, wherein the mold frame comprises a lower mold plate, a middle mold plate and an upper mold plate which are arranged in sequence from bottom to top, the lower mold plate is provided with a positioning mold seat, the positioning mold seat is used to position and place a wheel hub and an inertia ring; the middle mold plate is provided with a clamping device, the clamping device is located above the positioning mold seat, and the wheel hub on the positioning mold seat is clamped by the clamping device; the upper mold plate is provided with a pressing device, the pressing device comprises a spring, and a rubber ring is sleeved on the spring; the positioning mold seat, the clamping device and the pressing device are arranged in a coaxial position; the top of the upper mold plate is connected to a pressing mechanism; the lower mold plate and the middle mold plate are connected by a lifting device, and the middle mold plate performs a lifting movement above the lower mold plate; the control system is control-connected to the lifting device and the pressing mechanism.

[0007] Preferably, the lower template, the middle template and the upper template are connected by a guiding device; the guiding device includes at least four guide columns, one end of each guide column is fixed to the lower template, and the other end of each guide column passes through the middle template and is connected to the upper template.

[0008] Preferably, the lifting device comprises at least two groups of oil cylinders, one end of the oil cylinder is fixed on the lower template, and the other end of the oil cylinder passes through the middle template and is connected to the middle template.

[0009] Preferably, a first sliding mechanism is provided on the lower mold plate, and a second sliding mechanism is provided on the positioning mold base. The first sliding mechanism cooperates with the second sliding mechanism. The positioning mold base is connected to a sliding power device, and the second sliding mechanism is driven by the sliding power device to make the positioning mold base slide on the first sliding mechanism on the lower mold plate, so as to facilitate the placement of the wheel hub and the inertia ring.

[0010] Preferably, the sliding power device adopts a cylinder, the first sliding mechanism is a slide groove arranged on the lower template, the second sliding mechanism is a protruding structure matching the slide groove, the telescopic gas rod of the cylinder is connected to the positioning mold base, and the positioning mold base is driven to slide along the slide groove on the lower template through the telescopic cylinder, which is convenient for placing the wheel hub and inertia ring.

[0011] Preferably, the rubber ring pressing mold also includes a first sensor, which is used to sense whether the positioning mold base, the clamping device and the pressing device are located in a coaxial position, and feed back the signal to the control system to ensure the pressing quality of the rubber ring.

[0012] Preferably, the rubber ring pressing mold also includes a second sensor, which is used to sense whether the distance between the middle template and the lower template meets the preset value and send a signal to the control system. The control system controls the downward pressing mechanism to drive the upper template to press down, so as to facilitate the pressing of the rubber ring into the gap between the wheel hub and the inertia ring.

[0013] Preferably, the positioning mold base is evenly provided with a plurality of holes, and the holes can prevent the upper mold plate and the pressing device from generating a vacuum when pressing downward.

[0014] Preferably, an annular groove is provided on the lower template, and the annular groove is butt-connected to the oil receiving pipe, and the annular groove guides excess waste oil into the oil storage box through the oil receiving pipe.

[0015] The present invention also provides an application method of the intelligent rubber ring pressing device, the steps are as follows:

[0016] S1: Slide the positioning die holder out from under the clamping device through the first sliding mechanism, the second sliding mechanism and the cylinder;

[0017] S2: Place the wheel hub and the inertia ring on the positioning die base, and slide the positioning die base back to the bottom of the clamping device;

[0018] S3: Identify whether the positioning die base, the clamping device and the press-fitting device are located in a coaxial position through a first sensor, and feed back a signal to a control system;

[0019] S4: The control system controls the oil cylinder to press down, and the middle template connected to the oil cylinder is linked to the clamping device on the middle template to press down, so as to clamp the wheel hub on the positioning die seat, and the control system controls the punch press connected to the top of the upper template to perform punching;

[0020] S5: The rubber ring is sleeved on the nitrogen spring of the press-fitting device. The control system controls the pressing mechanism of the punch press to press the upper template downward. The upper template is linked with the press-fitting device arranged on the upper template to press downward along the guide column of the guide device. When pressing downward, as the nitrogen spring on the press-fitting device contracts, the rubber ring sleeved on the nitrogen spring is smoothly introduced into the gap between the wheel hub and the inertia ring. The downward pressure of the nitrogen spring drives the press-fitting device to complete the positioning and tightening of the inertia ring, and the rubber ring is assembled.

[0021] The wheel hub pressing of the present invention is automatically achieved through the middle template and the pressing device, no manual operation is required, and the efficiency is high; the pressing action of the rubber ring entering the gap between the wheel hub and the inertia ring is automatically achieved through the upper template and the pressing device, and the pressing of the inertia ring is achieved at the same time, which also does not require manual operation and the efficiency is high; the entire rubber ring pressing mold is easy to use, has a high degree of automation and high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a front view cross-sectional structural schematic diagram of an intelligent rubber ring press-fitting device proposed by the present invention;

[0023] Figure 2 A schematic diagram of the three-dimensional structure of an intelligent rubber ring pressing device proposed by the present invention;

[0024] Figure 3 A schematic diagram of the three-dimensional structure of an intelligent rubber ring pressing device proposed by the present invention;

[0025] Figure 4 It is a schematic diagram of the three-dimensional structure of the product after the rubber ring pressing mold is pressed and installed in the embodiment;

[0026] Figure 5 This is a schematic diagram of the top view of the structure of an intelligent rubber ring press-fitting device proposed by the present invention;

[0027] Figure 6 for Figure 5 AA section view of the product.

[0028] Numbers in the figure:

[0029] 1. Lower template; 2. Middle template; 3. Upper template; 4. Positioning mold base; 5. Positioning hub; 6. Inertia ring; 7. Clamping device; 8. Press-fitting device; 9. Rubber ring; 10. Guide column; 11. Cylinder; 12. First sensor; 13. Second sensor; 14. Cylinder; 15. Hole; 16. Annular groove. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] like Figures 1 to 3 As shown, an intelligent rubber ring pressing device provided by the present invention includes a mold frame and a control system, wherein the mold frame includes a lower mold plate 1, a middle mold plate 2 and an upper mold plate 3 arranged in sequence from bottom to top; the lower mold plate 1 and the upper mold plate 3 can be connected to a punch press respectively, the top of the upper mold plate 3 is connected to a pressing mechanism of the punch press, and the lower mold plate 1 is connected to a reference surface of the punch press;

[0032] The lower mold plate 1 is provided with a positioning mold seat 4, which is used to position and place the wheel hub 5 and the inertia ring 6, and the positioning mold plate 4 includes a center positioning pin and an outer ring of the positioning wheel hub 5; the middle mold plate 2 is provided with a clamping device 7, which is located above the positioning mold seat 4, and the wheel hub 5 on the positioning mold seat 4 is clamped by the clamping device 7; the upper mold plate 3 is provided with a pressing device 8, and the pressing power of the upper mold plate 3 and the pressing device 8 is provided by the pressing mechanism of the punch press; the pressing device 8 includes a nitrogen spring, and the nitrogen spring of the pressing device 8 is provided with a rubber ring 9 The press-fitting device 8 is used to press the rubber ring 9 sleeved on the press-fitting device 8 into the gap between the wheel hub 5 and the inertia ring 6; the positioning die base 4, the clamping device 7 and the press-fitting device 8 are arranged in a coaxial position; the lower template 1 and the middle template 2 are connected by a lifting device, and the lifting device includes at least two groups of cylinders 11, one end of the cylinder 11 is fixed on the lower template 1, and the other end of the cylinder 11 passes through the middle template 2 and is connected to the middle template 2; the middle template 2 is lifted and lowered above the lower template 1 by the cylinder 11; the control system is controlled and connected with the lifting device and the pressing mechanism.

[0033] Furthermore, a plurality of holes 15 are evenly disposed on the positioning die base 4 , and the holes 15 can prevent vacuum from being generated when the upper die plate 3 and the pressing device 8 are pressed downward.

[0034] Furthermore, an annular groove 16 is provided on the lower template 1, and the annular groove 16 is butt-connected with the oil receiving pipe. The annular groove 16 guides excess waste oil into the oil storage box through the oil receiving pipe.

[0035] Embodiment 2

[0036] On the basis of the above-mentioned embodiment 1, the lower template 1, the middle template 2 and the upper template 3 of the present invention are connected by a guiding device; the guiding device includes at least four guide columns 10, one end of the guide column 10 is fixed on the lower template 1, and the other end of the guide column 10 passes through the middle template 2 and is connected to the upper template 3.

[0037] Furthermore, the number of guide posts 10 and oil cylinders 11 is not limited, and their locations and numbers are mainly to enable the middle template 2 and the upper template 3 to move in parallel, so that the force pressing on the wheel hub 5 is uniform.

[0038] Embodiment 3

[0039] On the basis of the above-mentioned embodiment 1, the lower mold plate 1 of the present invention is provided with a first sliding mechanism, the positioning mold base 4 is provided with a second sliding mechanism, the first sliding mechanism cooperates with the second sliding mechanism, the positioning mold base 4 is connected to the sliding power device, and the second sliding mechanism is driven by the sliding power device to make the positioning mold base 4 slide on the first sliding mechanism on the lower mold plate 1, so as to facilitate the positioning mold base 4 to slide out from under the clamping device 7 and place the wheel hub 5 and the inertia ring 6;

[0040] Furthermore, the sliding power device adopts a cylinder 14, the first sliding mechanism is a slide groove arranged on the lower template 1, the second sliding mechanism is a protruding structure matching the slide groove, the telescopic gas rod of the cylinder 14 is connected to the positioning mold base 4, and the positioning mold base 4 is driven to slide along the slide groove on the lower template 1 through the telescopic cylinder 14, which is convenient for placing the wheel hub 5 and the inertia ring 6.

[0041] Embodiment 4

[0042] On the basis of the above-mentioned embodiment 1, the rubber ring pressing mold applied for in the present invention also includes a first sensor 12, which is used to sense whether the positioning mold base 4, the clamping device 7 and the pressing device 8 are in a coaxial position. Only when the positioning mold base 4, the clamping device 7 and the pressing device 8 are coaxial, can the clamping work be performed, ensuring the high quality of the subsequent pressing work of the rubber ring 9.

[0043] Embodiment 5

[0044] Based on the above-mentioned embodiment 1, the rubber ring pressing mold applied for in the present invention also includes a second sensor 13, which is used to sense whether the distance between the middle template 2 and the lower template 1 meets the preset value position, so as to facilitate pressing the rubber ring 9 into the gap between the wheel hub 5 and the inertia ring 6.

[0045] In the process of the clamping device 7 descending to clamp the wheel hub 5, data can be obtained according to actual needs or experimental statistics, which is related to the sizes of the rubber ring pressing mold, the wheel hub 5, the inertia ring 6, and the rubber ring 9; but it is known that the purpose of setting the second working position is to clamp the wheel hub 5 at this time, and when the subsequent pressing device 8 descends to the position for pressing, it is convenient to press the rubber ring 9 into the gap formed by the wheel hub 5 and the inertia ring 6, and clamp the inertia ring 6.

[0046] The present invention also provides an application method of the intelligent rubber ring pressing device, the steps are as follows:

[0047] S1: Slide the positioning die holder 4 out from under the clamping device 7 through the first sliding mechanism, the second sliding mechanism and the cylinder 14;

[0048] S2: placing the wheel hub 5 and the inertia ring 6 on the positioning die holder 4, and sliding the positioning die holder 4 back to the bottom of the clamping device 7;

[0049] S3: Identify whether the positioning die holder 4, the clamping device 7 and the pressing device 8 are located in a coaxial position through the first sensor 12, and feed back the signal to the control system;

[0050] S4: The control system controls the oil cylinder 11 to press down, and the middle template 2 connected to the oil cylinder 11 is linked with the clamping device 7 on the middle template 2 to press down, and the hub 5 on the positioning die base 4 is clamped, and the control system controls the punch press connected to the top of the upper template 3 to perform punching;

[0051] S5: The rubber ring 9 is sleeved on the nitrogen spring of the press-fitting device 8. The control system controls the pressing mechanism of the punch press to press the upper template 3 downward. The upper template 3 is linked with the press-fitting device 8 set on the upper template 3 to be pressed down along the guide column 10 of the guide device. When pressing down, as the nitrogen spring on the press-fitting device 3 contracts, the rubber ring 9 sleeved on the nitrogen spring is smoothly introduced into the gap between the wheel hub 5 and the inertia ring 6. The downward pressure of the nitrogen spring drives the press-fitting device 8 to complete the positioning and tightening of the inertia ring 6, and the rubber ring 9 is assembled.

[0052] The wheel hub pressing of the present invention is automatically achieved through the middle template and the pressing device, no manual operation is required, and the efficiency is high; the pressing action of the rubber ring entering the gap between the wheel hub and the inertia ring is automatically achieved through the upper template and the pressing device, and the pressing of the inertia ring is achieved at the same time, which also does not require manual operation and the efficiency is high; the entire rubber ring pressing mold is easy to use, has a high degree of automation and high efficiency.

[0053] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0054] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0055] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An intelligent rubber ring pressing device, comprising a mold frame and a control system, wherein the mold frame comprises a lower mold plate (1), a middle mold plate (2) and an upper mold plate (3) arranged in sequence from bottom to top, characterized in that: The lower mold plate (1) is provided with a positioning mold base (4), and the positioning mold base (4) is used to position and place the wheel hub (5) and the inertia ring (6); the middle mold plate (2) is provided with a clamping device (7), and the clamping device (7) is located above the positioning mold base (4), and the wheel hub (5) on the positioning mold base (4) is clamped by the clamping device (7); the upper mold plate (3) is provided with a pressing device (8), and the pressing device (8) includes a spring, and a rubber ring (9) is sleeved on the spring; the positioning mold base (4), the clamping device (7) and the pressing device (8) are arranged in a coaxial position; the top of the upper mold plate (3) is connected to a pressing mechanism; the lower mold plate (1) and the middle mold plate (2) are connected by a lifting device, and the middle mold plate (2) performs a lifting movement above the lower mold plate (1); the control system is control-connected to the lifting device and the pressing mechanism; The lower mold plate (1) is provided with a first sliding mechanism, and the positioning mold base (4) is provided with a second sliding mechanism, the first sliding mechanism cooperates with the second sliding mechanism, and the positioning mold base (4) is connected to a sliding power device, and the second sliding mechanism is driven by the sliding power device to make the positioning mold base (4) slide on the first sliding mechanism on the lower mold plate (1), so as to facilitate the placement of the wheel hub (5) and the inertia ring (6); The rubber ring pressing mold further comprises a first sensor (12), the first sensor (12) being used to sense whether the positioning mold base (4), the clamping device (7) and the pressing device (8) are located at a coaxial position, and to feed back a signal to a control system to ensure the pressing quality of the rubber ring (9); The rubber ring press-fitting mold further comprises a second sensor (13), the second sensor (13) being used to sense whether the distance between the middle template (2) and the lower template (1) meets a preset position, and to send a signal to a control system, the control system controlling the pressing mechanism to drive the upper template (3) to press downward, so as to facilitate the press-fitting of the rubber ring (9) into the gap between the wheel hub (5) and the inertia ring (6); The lower template (1), the middle template (2) and the upper template (3) are connected via a guide device; the guide device comprises at least four guide columns (10), one end of each guide column (10) is fixed to the lower template (1), and the other end of each guide column (10) passes through the middle template (2) and is connected to the upper template (3); The lifting device comprises at least two groups of oil cylinders (11), one end of each oil cylinder (11) is fixed on the lower template (1), and the other end of each oil cylinder (11) passes through the middle template (2) and is connected to the middle template (2); The sliding power device adopts a cylinder (14), the first sliding mechanism is a slide groove arranged on the lower mold plate (1), the second sliding mechanism is a protruding structure matched with the slide groove, the telescopic gas rod of the cylinder (14) is connected to the positioning mold base (4), and the positioning mold base (4) is driven to slide along the slide groove on the lower mold plate 1 by the telescopic movement of the cylinder (14), so as to facilitate the placement of the wheel hub (5) and the inertia ring (6).

2. The intelligent rubber ring pressing device according to claim 1, characterized in that: The positioning die base (4) is evenly provided with a plurality of holes (15), and the holes (15) can prevent the upper die plate (3) and the pressing device (8) from generating a vacuum when pressing downward.

3. The intelligent rubber ring pressing device according to claim 1, characterized in that: The lower template (1) is provided with an annular groove (16), the annular groove (16) is butt-connected to the oil receiving pipe, and the annular groove (16) guides excess waste oil into the oil storage box through the oil receiving pipe.

4. An application method of an intelligent rubber ring pressing device, characterized in that: The smart rubber ring pressing device as claimed in claim 1 is used, and the steps are as follows: S1: Slide the positioning die holder (4) out from under the clamping device (7) through the first sliding mechanism, the second sliding mechanism and the cylinder (14); S2: placing the wheel hub (5) and the inertia ring (6) on the positioning die base (4), and sliding the positioning die base (4) back to the bottom of the clamping device (7); S3: identifying, by means of a first sensor (12), whether the positioning die base (4), the clamping device (7) and the pressing device (8) are located in a coaxial position, and feeding back a signal to a control system; S4: The control system controls the oil cylinder (11) to press down, and the middle template (2) connected to the oil cylinder (11) links the pressing device (7) on the middle template (2) to press down, thereby pressing the wheel hub (5) on the positioning die seat (4), and the control system controls the punch press connected to the top of the upper template (3) to perform punching; S5: The rubber ring (9) is sleeved on the nitrogen spring of the press-fitting device (8), and the control system controls the pressing mechanism of the punch press to press the upper template (3) downward. The upper template (3) is linked with the press-fitting device (8) arranged on the upper template (3) to press downward along the guide column (10) of the guide device. When pressing downward, as the nitrogen spring on the press-fitting device (3) contracts, the rubber ring (9) sleeved on the nitrogen spring is smoothly introduced into the gap between the wheel hub (5) and the inertia ring (6). The downward pressure of the nitrogen spring drives the press-fitting device (8) to complete the positioning and pressing of the inertia ring (6), and the rubber ring (9) is assembled.

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