CN216803281U - Assembly fixture of universal joint dust cover assembly - Google Patents
Assembly fixture of universal joint dust cover assembly Download PDFInfo
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- CN216803281U CN216803281U CN202123243530.3U CN202123243530U CN216803281U CN 216803281 U CN216803281 U CN 216803281U CN 202123243530 U CN202123243530 U CN 202123243530U CN 216803281 U CN216803281 U CN 216803281U
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Abstract
The utility model relates to an assembly tool of a universal joint dust cover assembly, and aims to solve the technical problems of low installation efficiency, poor quality and high cost when a person assembles a universal joint dust cover in the prior art. The sealing gasket device comprises a machine body, wherein an upper plate and a lower plate are arranged on the machine body and move in a guiding manner along the vertical direction, the upper plate is positioned above the lower plate, an upper positioning block is fixed at the lower end of the upper plate, a lower positioning block is fixed at the upper end of the lower plate, the upper positioning block is used for sleeving a body with an assembly body of a sealing gasket, an upper driving part, a lower driving part and a claw-pulling driving part are further arranged on the machine body, the lower positioning block comprises a positioning section, and the size of the positioning section is identical to that of a non-assembly end of the sealing gasket. According to the universal joint dust cover assembly, the assembly body of the plastic body and the sealing gasket is arranged on the upper positioning block, the sealing sleeve is arranged on the lower positioning block, and then a machine is started, so that the universal joint dust cover assembly can be automatically assembled, the production efficiency can be improved by replacing manual assembly with mechanical assembly, and the production cost can be reduced.
Description
Technical Field
The utility model relates to an assembly tool of a universal joint dust cover assembly.
Background
The universal joint adopts the oil blanket to add the dust cover to play sealed, dustproof effect usually, and the most whole rubber materials that is of present universal joint dust cover, and rubber materials itself is softer, intensity is lower, leads to the cooperation can have the clearance between dust cover and the steering input shaft, consequently easily leads to sealed position to leak, and the sound insulation effect is poor, get into impurity even, and wearing and tearing steering input shaft reduces steering input shaft life-span, influence whole car performance.
In order to solve the technical problems, the applicant develops a novel universal joint dust cover. The universal joint dust cover comprises a plastic body, wherein a sealing sleeve is assembled at the upper end of the plastic body, a sealing gasket is assembled at the lower end of the plastic body, a fit clearance between the plastic body and a steering input shaft is ensured through the plastic body, and the sealing fit between the plastic body and an upper vehicle body and the sealing fit between the plastic body and a lower vehicle body are ensured through the sealing sleeve and the sealing gasket. The problems that the sealing sleeve is not assembled in place, the sealing gasket is not assembled and reversely assembled are frequently found in the process of manually assembling the universal joint dust cover, and the manual assembly is high in cost and low in efficiency, so that an assembly tool capable of assembling the universal joint dust cover assembly is required to be researched and developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an assembly tool of a universal joint dust cover assembly to solve the technical problems of low installation efficiency, poor quality and high cost when a person assembles the universal joint dust cover in the prior art.
In order to achieve the purpose, the assembly tool for the universal joint dust cover assembly adopts the following technical scheme:
an assembly fixture for a universal joint dust cover assembly comprises a machine body, wherein an upper plate and a lower plate are arranged on the machine body in a guiding and moving mode along the vertical direction, the upper plate is located above the lower plate, an upper positioning block is fixed at the lower end of the upper plate, a lower positioning block is fixed at the upper end of the lower plate, the upper positioning block is used for sleeving a body and a sealing gasket assembly body, an upper driving portion, a lower driving portion and a claw-pulling driving portion are further arranged on the machine body, a linear displacement output end of the upper driving portion is fixedly connected with the upper plate, a linear displacement output end of the lower driving portion is fixedly connected with the lower plate, a plurality of claws are fixedly connected with a linear displacement output end of the claw-pulling driving portion, the claw-pulling driving portions are arranged in a ring shape, and linear displacement output ends of the claw-pulling driving portions extend towards the circle center direction of a distribution circle; the lower positioning block comprises a positioning section, and the size of the positioning section is matched with that of the non-assembly end of the sealing sleeve.
The machine body is fixedly provided with a middle plate between an upper plate and a lower plate, the middle plate is provided with a through hole for the body and the sealing gasket assembly fixed on the upper positioning block and the sealing sleeve fixed on the lower positioning block to pass through, and the claw driving part is arranged on the middle plate.
The lower positioning block further comprises a stress section which is located above the positioning section and is coaxial with the positioning section, the size of the stress section is smaller than the inner diameter of the assembling end of the sealing sleeve, so that a gap for the claw part of the claw to extend into is reserved between the stress section and the assembling end, the upper driving part is an upper air cylinder, and the lower driving part is a lower air cylinder.
The mounting end of the upper positioning block is of a cylindrical structure.
The machine body is provided with a detection switch for detecting the position of the sealing gasket so as to judge the abnormal installation state of the sealing gasket, and the detection switch is electrically connected with the upper driving part, the lower driving part and the claw driving part so as to prevent the upper driving part, the lower driving part and the claw driving part from starting when the abnormal installation of the sealing gasket is detected.
The detection switch comprises a side detection switch positioned on the side face of the upper positioning block and an upper end detection switch positioned above the upper positioning block, and at least two side detection switches are arranged along the circumferential direction.
The claw driving part is a claw cylinder.
The whole of the claw is arc-shaped, and the claw part of the claw extends vertically and downwards.
The utility model has the following beneficial effects: according to the universal joint dust cover assembly, the assembly body of the plastic body and the sealing gasket is arranged on the upper positioning block, the sealing sleeve is arranged on the lower positioning block, and then the machine is started, so that the universal joint dust cover assembly can be automatically assembled, the production efficiency can be improved by replacing manual assembly with mechanical assembly, and the production cost can be reduced.
According to the universal joint dust cover assembly, whether the sealing gasket is reversely mounted, neglected mounted or not mounted in place is detected through the detection switch, and when the abnormal mounting state of the sealing gasket is detected, the upper driving part, the lower driving part and the claw driving part are directly prohibited to be started, so that the quality of the assembled universal joint dust cover assembly can be ensured.
In the utility model, the upper driving part and the lower driving part are both cylinders, the upper positioning block is pressed downwards to enable the plastic body and the assembly body of the sealing gasket to be installed in place in the sealing sleeve, then force is applied to the upper cylinder, namely the lower cylinder is pressed downwards for a certain distance by using the air pressure difference between the upper cylinder and the lower cylinder until the lower cylinder is separated from the claw, and the upper cylinder and the lower cylinder move synchronously in the process of separating the claw from the sealing sleeve, so that the assembly body assembled in place in the process of separating the claw from the sealing sleeve can be prevented from being separated from the sealing sleeve again, and the assembly quality can be ensured.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an assembly fixture for a universal joint dust cover assembly according to the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a top view of FIG. 1;
FIG. 5 is a schematic view of the gasket configuration of the assembled boot assembly.
Detailed Description
The utility model discloses an embodiment of an assembly tool of a universal joint dust cover assembly, which comprises the following steps:
the specific structure of the assembly fixture of the universal joint dust cover assembly is shown in fig. 1 to 4, and comprises a machine body 1, wherein an upper plate 2, a middle plate 3 and a lower plate 4 are arranged on the machine body 1 at intervals along the vertical direction, and the upper plate 2 and the lower plate 4 are arranged on the machine body 1 in a manner of being guided and moved along the vertical direction. An upper positioning block 5 is fixed on the upper plate 2, a lower positioning block 6 is fixed on the lower plate 4, an upper cylinder 7 for driving the upper plate 2 to move up and down is installed at the upper end of the machine body 1, a lower cylinder 8 for driving the lower plate 4 to move up and down is installed at the lower end of the machine body 1, a claw-pulling cylinder 9 capable of moving along the horizontal direction is installed in the middle of the machine body 1, and a claw 10 is fixed at the end part of the claw-pulling cylinder 9. The claw-pulling cylinders 9 are arranged in a plurality of annular shapes, and the linear displacement output ends of the claw-pulling cylinders 9 face the direction of the circle center of the distribution circle.
Go up the locating piece 5 and be used for fixed plastic body and sealed assembly body 12 who fills up, lower locating piece 6 is used for fixed seal cover 13, still installs detection switch 11 on the organism 1, detection switch 11 is provided with threely altogether, and wherein two detection switch 11 are located the radial both sides of plastic body and sealed assembly body that fills up, and the third detection switch 11 is located the top of plastic body and sealed assembly body that fills up. The two-side detection switches 11 are used for identifying whether the sealing gasket is neglected to be installed or not installed in place, if the sealing gasket is neglected to be installed or not installed in place, the sealing gasket cannot be identified by at least one side of the two-side detection switches 11, and the tool cannot enter a working state. Upside detection switch 11 is used for discerning sealed the filling up and whether adorns conversely, if sealed fill up and adorn conversely, sealed fill up can not be sensed to upside detection switch, and the frock can not get into operating condition equally. In this embodiment, the detection switch 11 is a photoelectric switch. In other embodiments, the detection switch 11 may also be another type of switch.
The detection switches 11 are connected in series on the power supply circuit of the upper cylinder 7, the lower cylinder 8 and the claw-removing cylinder 9 to prevent the upper cylinder 7, the lower cylinder 8 and the claw-removing cylinder 9 from being started when any one detection switch 11 cannot receive a feedback signal. The detection switch 11 can also be electrically connected to a controller for controlling the actions of the upper cylinder 7, the lower cylinder 8 and the claw-removing cylinder 9, and feeds back a sealing gasket installation abnormal signal to the controller, and the controller controls the upper cylinder 7, the lower cylinder 8 and the claw-removing cylinder 9 to be incapable of being started when the sealing gasket is abnormally installed. Both of the above-mentioned two ways can be realized by the prior art, and thus, a detailed description of a specific wiring structure is not provided.
The structure of the gasket in the assembly of the plastic body and the gasket is shown in fig. 5, two fastening lugs 31 are convexly arranged on the outer peripheral surface of the gasket at an interval of 180 degrees, the end part of one fastening lug 31 extends outwards to form a detection end 32, and a fastening position for connecting the fastening lugs 31 is formed by an opening groove on the plastic body. The positions of the side detection switches 11 on both sides correspond to the positions of the lugs in the assembly body to ensure that photoelectric signals sent out by the side detection switches 11 can be rebounded and received by the lugs 31 under the condition of in-place assembly, and the positions of the upper detection switches 11 correspond to the positions of the detection ends 32 to ensure that the photoelectric signals sent out by the upper detection switches 11 can be rebounded and received by the detection ends 32 when the gaskets in the assembly body are correctly installed. The essence of the detection switch 11 is a distance detection sensor, and the detection principle is to detect whether the emitted photoelectric signal is reflected back by the real object within a certain distance range (the actual setting of the distance range is determined according to the specific size of the plastic body and the gasket), when the photoelectric signal is detected to return within the setting range, the real object of the gasket within the setting range can be judged, and when the photoelectric signal returned within the setting range is not detected, the real object of the gasket within the setting range can be judged.
When the claw-pulling cylinder 9 is in an extending state, claw parts of the plurality of claw-pulling 10 are in a gathering state, at the moment, the lower cylinder 8 drives the lower plate 4 to rise to the middle plate 3, the assembly position of the seal sleeve faces upwards, the claw parts of the plurality of claw-pulling 10 can enter the assembly position of the seal sleeve, and the claw-pulling cylinder 9 retracts to drive the claw-pulling 10 to separate so as to pull the assembly position of the seal sleeve open. And then the upper cylinder 7 presses the plastic body and the assembly body of the sealing gasket to complete the integral assembly of the universal joint dust cover assembly.
The mounting end of the upper positioning block 5 is of a columnar structure, and the plastic body and the assembly body of the sealing gasket are fixed on the upper positioning block 5 in a mode of being sleeved at the mounting end. The friction between the mounting end and the assembly body is small, so that the assembly body can not be separated from the upper positioning block 5 under the action of gravity, but the assembly body can be easily pulled off from the lower end of the upper positioning block 5 in the process of moving down integrally after the assembly body is assembled with the sealing sleeve.
The lower positioning block 6 comprises a positioning section with the size matched with the size of the lower end (non-assembly end) of the sealing sleeve and a stress section with the size smaller than the inner diameter of the upper end (assembly end) of the sealing sleeve, a gap is formed between the periphery of the stress section and the upper end of the sealing sleeve so that a claw part of the claw 10 can extend into the stress section, and the upper end of the stress section extends out of the upper end of the sealing sleeve to be abutted against the upper positioning block 5 when the assembly body is pressed down by the upper positioning block 5 to complete the assembly of the universal joint dust cover assembly. The extended lower cylinder 8 can be compressed a distance downwards when the pressure of the upper cylinder 7 increases.
The process of assembling the boot assembly of the universal joint using the present invention is as follows: firstly, mounting an assembly body of a plastic body and a sealing gasket on an upper positioning block 5, and mounting a sealing gasket on a lower positioning block 6, wherein the plastic body faces downwards and the assembly position of the sealing gasket faces upwards during mounting; starting the lower cylinder 8, and lifting the lower positioning block 6 to the position of the middle plate 3 when the lower cylinder 8 extends in place; starting a claw-pulling cylinder 9, and pulling the assembly position of the seal sleeve away by a claw 10; starting the upper cylinder 7, and driving the assembly body of the plastic body and the sealing gasket to move downwards to an assembly position of the sealing gasket to be installed in place by the upper cylinder 7; increasing the pressure of the upper cylinder 7, and pushing the lower cylinder 8 to move downwards for a certain distance until the claw 10 is separated from the sealing sleeve; the upper cylinder 7 returns, and the assembly body which is hermetically sleeved with the plastic body and the sealing gasket is pulled off from the upper positioning block 5; the lower cylinder 8 returns, the claw-pulling cylinder 9 returns, and the assembled product is taken down.
In other embodiments, the claw can also be made into an L-shaped structure or other structures; any one or more of the claw cylinder, the upper cylinder and the lower cylinder can be replaced by other driving parts (such as oil cylinders or electric push rods) with linear displacement output ends; the detection switch can be omitted, whether the sealing gasket is abnormally mounted or not needs to be judged by virtue of manual work or other modes, and an assembly body with the abnormally mounted sealing gasket is prevented from being mounted on the positioning block; the mounting end of the upper positioning block can also be in a prismatic shape or other shapes which can be used for sleeving the plastic body and the assembly body of the sealing gasket; the stress section on the lower positioning block can be omitted, in this case, the lower cylinder can only be moved downwards to separate the assembled universal joint dust cover assembly from the claw, but in this case, the claw pulls the sealing sleeve off for the second time or the quality of the finished product is reduced; the middle plate can be omitted, and the cylinder body section of the claw-pulling cylinder is directly fixed on the machine body.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The above embodiments are only for illustrating the technical solutions of the present invention and are not limited, and other modifications or equivalent substitutions made by the technical solutions of the present invention by the ordinary skilled person in the art are included in the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (8)
1. The utility model provides an assembly fixture of universal joint dust cover assembly which characterized in that: the sealing gasket device comprises a machine body, wherein an upper plate and a lower plate are arranged on the machine body in a guiding and moving mode along the vertical direction, the upper plate is positioned above the lower plate, an upper positioning block is fixed at the lower end of the upper plate, a lower positioning block is fixed at the upper end of the lower plate, the upper positioning block is used for sleeving a body with a sealing gasket assembly body, an upper driving part, a lower driving part and a claw-pulling driving part are further arranged on the machine body, the linear displacement output end of the upper driving part is fixedly connected with the upper plate, the linear displacement output end of the lower driving part is fixedly connected with the lower plate, the linear displacement output ends of the claw-pulling driving parts are fixedly connected with claw-pulling parts, a plurality of claw-pulling driving parts are arranged in an annular mode, and the linear displacement output ends of the plurality of claw-pulling driving parts all extend towards the circle center direction of a distribution circle; the lower positioning block comprises a positioning section, and the size of the positioning section is matched with the size of the non-assembly end of the sealing sleeve.
2. The assembly fixture of claim 1, wherein: the machine body is fixedly provided with a middle plate between an upper plate and a lower plate, the middle plate is provided with a through hole for the body and the sealing gasket assembly fixed on the upper positioning block and the sealing sleeve fixed on the lower positioning block to pass through, and the claw driving part is arranged on the middle plate.
3. The assembly fixture of claim 1, wherein: the lower positioning block further comprises a stress section which is located above the positioning section and is coaxial with the positioning section, the size of the stress section is smaller than the inner diameter of the assembling end of the sealing sleeve, so that a gap for the claw part of the claw to extend into is reserved between the stress section and the assembling end, the upper driving part is an upper air cylinder, and the lower driving part is a lower air cylinder.
4. The assembly fixture of claim 1, wherein: the mounting end of the upper positioning block is of a cylindrical structure.
5. The assembly fixture of claim 1, wherein: the machine body is provided with a detection switch for detecting the position of the sealing gasket so as to judge the abnormal installation state of the sealing gasket, and the detection switch is electrically connected with the upper driving part, the lower driving part and the claw driving part so as to prevent the upper driving part, the lower driving part and the claw driving part from starting when the abnormal installation of the sealing gasket is detected.
6. The assembly fixture of claim 5 for the universal joint dust cover assembly, characterized in that: the detection switch comprises a side detection switch positioned on the side face of the upper positioning block and an upper end detection switch positioned above the upper positioning block, and at least two side detection switches are arranged along the circumferential direction.
7. The assembly fixture of a universal joint dust cover assembly according to any one of claims 1 to 6, characterized in that: the claw driving part is a claw cylinder.
8. The assembly fixture of a universal joint dust cover assembly according to any one of claims 1 to 6, characterized in that: the whole of the claw is arc-shaped, and the claw part of the claw extends vertically and downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123243530.3U CN216803281U (en) | 2021-12-22 | 2021-12-22 | Assembly fixture of universal joint dust cover assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123243530.3U CN216803281U (en) | 2021-12-22 | 2021-12-22 | Assembly fixture of universal joint dust cover assembly |
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| CN216803281U true CN216803281U (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123243530.3U Active CN216803281U (en) | 2021-12-22 | 2021-12-22 | Assembly fixture of universal joint dust cover assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117245599A (en) * | 2023-11-17 | 2023-12-19 | 河南恒发科技股份有限公司 | Universal joint dust cover assembling equipment and assembling method thereof |
-
2021
- 2021-12-22 CN CN202123243530.3U patent/CN216803281U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117245599A (en) * | 2023-11-17 | 2023-12-19 | 河南恒发科技股份有限公司 | Universal joint dust cover assembling equipment and assembling method thereof |
| CN117245599B (en) * | 2023-11-17 | 2024-02-23 | 河南恒发科技股份有限公司 | Universal joint dust cover assembling equipment and assembling method thereof |
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