Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a clamp for a square housing of an imaging module and an assembling method thereof, which aims to enable a clamp body to be reliably fixed on an upper end surface of a middle fixing plate without fixing cylinders at two ends of the middle fixing plate; the problem that the lever mechanism affects the taking and placing of square shells at two ends is solved while the purpose of saving the occupied space of the clamp is achieved.
The technical scheme of the invention is as follows:
a fixture for a square housing of a camera module, comprising: the fixture base, middle part fixed plate and the fixture body of arranging in proper order from bottom to top, the fixture base includes: the base transverse plates and the plurality of base longitudinal plates are arranged on the base transverse plates at intervals; the lower end face of the middle fixing plate is fixedly connected with a plurality of rotation driving sources, the rotation driving sources are positioned in gaps between the longitudinal plates of the adjacent bases, and the upper ends of the rotation driving sources are connected with T-shaped blind rivets; the fixture body is provided with the fixed slot, the fixed slot runs through and is provided with two parallel horizontal poles, and the interval of two parallel horizontal poles is greater than the width of blind rivet and is less than the length of blind rivet, the blind rivet passes two parallel horizontal pole clearance and gets into can be in the fixed slot internal rotation after the fixed slot to fixed connection middle part fixed plate and fixture body.
The fixture for the square shell of the camera module is characterized in that the fixing groove is an open groove, and the opening of the fixing groove is arranged downwards.
The fixture for the square shell of the camera module comprises a fixture body, wherein a plurality of shell accommodating grooves are formed in the upper end face of the fixture body, and the groove sizes of the shell accommodating grooves are matched with those of the square shell.
The clamp for the square shell of the camera module comprises a first corner and a third corner of a shell accommodating groove, and an anti-blocking groove for preventing the square shell from being blocked is formed in the first corner and the third corner of the shell accommodating groove in an outward extending mode.
The clamp for the square shell of the camera module comprises a plurality of shell accommodating grooves which are arranged in two rows, wherein the two rows of shell accommodating grooves are mirror symmetry with a first central line of the upper end surface of the clamp body as a symmetry center, and the first central line is parallel to the long side of the clamp body.
The clamp for the square shell of the camera module comprises a third side and a fourth side of a shell accommodating groove, wherein the third side and the fourth side of the shell accommodating groove are respectively provided with a piece taking groove in an outward extending mode, and the piece taking groove is used for accommodating a manipulator or a hand to take out the square shell from the shell accommodating groove.
The clamp for the square shell of the camera module comprises a clamp body, wherein two ends of a middle fixing plate are respectively provided with a first circular locating hole, the first circular locating holes of the clamp body are matched with the second circular locating holes, the first circular locating holes are provided with diamond pins, and the middle fixing plate is connected with the clamp body through the diamond pins.
The clamp for the square shell of the camera module is characterized in that a strip-shaped groove is formed in two sides of the clamp body respectively, and the strip-shaped groove is used for accommodating a manipulator or a hand to take down the clamp body from the middle fixing plate.
The clamp for the square shell of the camera module is characterized in that the rotary driving source is a rotary cylinder.
An assembling method of the jig for a square housing of a camera module as described above, wherein the assembling method comprises the steps of:
fixing a rotary driving source on the lower end surface of the middle fixing plate;
the middle fixing plate is connected to the upper end face of the clamp base in a threaded manner;
after the blind rivet is aligned with the gaps between the two parallel cross bars, the clamp body moves downwards until the lower end surface of the clamp body is attached to the upper end surface of the middle fixing plate;
the rotation driving source drives the blind rivet to rotate in the fixing groove, and longitudinal limit is formed on the clamp body.
Compared with the prior art, the clamp for the square shell of the camera module provided by the invention adopts the rotary driving source fixedly connected to the lower end surface of the middle fixing plate and positioned in the gap between the longitudinal plates of the adjacent bases, and the upper end of the rotary driving source is connected with the T-shaped blind rivet; the fixing groove and the two parallel cross bars on the clamp body are matched, so that when the clamp body is fixed on the upper end face of the middle fixing plate, the pull nails can be pulled down and fastened in the fixing groove. Therefore, the clamp provided by the invention can reliably fix the clamp body on the upper end surface of the middle fixing plate without fixing the air cylinders on the two ends of the middle fixing plate; the problem that the lever mechanism affects the taking and placing of square shells at two ends is solved while the purpose of saving the occupied space of the clamp is achieved.
Detailed Description
The invention provides a clamp for a square shell of a camera module and an assembly method thereof, which are used for making the purposes, the technical scheme and the effects of the invention clearer and more definite, and the invention is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 2, the fixture for a square housing of an image capturing module provided by the invention includes: the fixture comprises a fixture base 100, a middle fixing plate 200 and a fixture body 300 which are sequentially arranged from bottom to top, wherein the middle fixing plate 200 is detachably connected above the fixture base 100, and the fixture body 300 is detachably connected on the middle fixing plate 200. In contrast, the clamp body 300 and the middle fixing plate 200 need a connection structure that is convenient to disassemble, and the middle fixing plate 200 does not need to be disassembled, so the connection of the middle fixing plate 200 and the clamp body 300 should be mainly stable.
The jig base 100 includes: the base transverse plate 110 and a plurality of base longitudinal plates 120 arranged at intervals, wherein the base longitudinal plates 120 are fixedly connected to the upper end face of the base transverse plate 110, and the middle fixing plate 200 is detachably connected to the upper end face of the base longitudinal plate 120 and is parallel to the base transverse plate 110. A plurality of rotation driving sources 400 are detachably connected to the lower end surface of the middle fixing plate 200, and as shown in fig. 2, it is preferable that the rotation driving sources 400 are located at a gap between the adjacent base longitudinal plates 120. The upper end of the rotary driving source 400 is connected with a T-shaped blind rivet 410 as shown in FIG. 3. As shown in fig. 3 and 4, the clamp body 300 is provided with a fixing groove 317, and the fixing groove 317 corresponds to the position of the blind rivet 410. The fixing groove 317 is provided with two parallel cross bars 312 in a penetrating manner, the distance between the two parallel cross bars 312 is larger than the width of the blind rivet 410 and smaller than the length of the blind rivet 410, and the blind rivet 410 can rotate in the fixing groove 317 after passing through the gap between the two parallel cross bars 312 and entering the fixing groove 317, so as to fixedly connect the middle fixing plate 200 and the fixture body 300. The jig body 300 is provided with a rail receiving groove 313 in a width direction, and the rail receiving groove 313 accommodates a parallel rail 312 provided through a fixing groove 317. The parallel rail 312 of fig. 3 is actually positioned within the rail receiving slot 313 in the clamp body 300. The parallel rail 312 is shown in isolation in fig. 3 for clarity of illustration of the positional relationship of the blind rivet 410 to the parallel rail 312. Preferably, the fixture body 300 is a rectangular cuboid, and two parallel crossbars 312 are parallel to the wide side of the fixture body 300 and penetrate the fixture body 300. The clamp body 300 may be placed on the upper end surface of the middle fixing plate 200, so that the blind rivet 410 passes through the two parallel cross bars 312, and after the head of the blind rivet 410 passes through the gap between the two parallel cross bars 312, the rotary driving source 400 drives the blind rivet 410 to rotate (usually by 90 °) so that the head of the blind rivet 410 is clamped on the two parallel cross bars 312, thereby preventing the clamp body 300 from moving upwards and being fixed on the upper end surface of the middle fixing plate 200. When the clamp body 300 needs to be disassembled, the rotation driving source 400 drives the blind rivet 410 to rotate first until the blind rivet 410 is parallel to the two parallel crossbars 312 in the length direction, and then the clamp body 300 moves upwards to be far away from the middle fixing plate 200.
In practice, the number of the fixing grooves 317, the rotation driving source 400 and the blind rivet 410 is preferably two, so as to form two sets of connection structures. Thus, the clamp body 300 is provided with two sets of parallel rails 312 in the width direction, each set being two rails parallel to each other. The left side parallel rails are not shown in fig. 4 for the purpose of contrast with the right side configuration. If only one set of connection structure is provided, the connection stability between the clamp body 300 and the middle fixing plate 200 is insufficient, and if three or more sets of connection structures are provided, the accuracy of the distance between the fixing groove 317 and the parallel cross bars 312 is required to be improved, resulting in an increase in processing cost. The rotation driving source 400 is preferably a rotation cylinder, the fixing groove 317 is preferably circular, the fixing groove 317 is an open groove, the opening of the fixing groove 317 is downward, and the fixing groove may be a through groove, i.e., a bi-directional open groove, which means that openings are provided in both the upper and lower directions, so that the processing difficulty is reduced.
In a further preferred embodiment of the present invention, the blind rivet 410 is rotatably connected to the output shaft of the rotary drive source 400 such that the blind rivet 410 is retained above the two parallel rails 312 within the retaining slot 317.
As shown in fig. 5, each base longitudinal plate 120 is provided with a plurality of first threaded holes 121 from bottom to top, the base transverse plate 110 is provided with a plurality of first countersunk holes in adaptation to the first threaded holes 121, and the base longitudinal plate 120 and the base transverse plate 110 are connected with the first countersunk holes through the first threaded holes 121. Each base longitudinal plate 120 is provided with a plurality of second threaded holes 122 from top to bottom, the middle fixing plate 200 is provided with a plurality of second countersunk holes in adaptation to the second threaded holes 122, and the middle fixing plate 200 is connected with the base transverse plate 110 through the second threaded holes 122 and the second countersunk holes.
As shown in fig. 3 and 4, two ends of the middle fixing plate 200 are respectively provided with a first circular positioning hole, the fixture body 300 is provided with a second circular positioning hole 314 adapted to the first circular positioning hole, a diamond pin 211 is inserted into the first circular positioning hole from below, and the middle fixing plate 200 is precisely positioned by the diamond pin 211.
In a further preferred embodiment of the present invention, a bar-shaped groove 315 is formed on each side of the clamp body 300, for accommodating a manipulator or a hand to remove the clamp body from the middle fixing plate.
As shown in fig. 4, the fixing groove 317 is formed on the lower end surface of the clamp body 300.
As shown in fig. 6, the upper end surface of the fixture body 300 is provided with a plurality of housing accommodating grooves 318a, the shape of the housing accommodating grooves 318a is adapted to that of the square housing K, a first corner and a third corner of the fixture body extend outwards respectively to form an anti-seizing groove 318b, a second corner extends outwards to form an irregularly shaped expansion groove (the groove is designed adaptively according to the actual space), and the anti-seizing groove 318b is used for preventing the square housing from seizing; the third side and the fourth side of the housing accommodating groove 318a respectively extend outwards to form a piece taking groove 318c, and the piece taking groove 318c is in a shape of 0 and is used for accommodating a manipulator or a human hand to take out the square housing from the housing accommodating groove 318 a.
In the preferred embodiment of the present invention, the plurality of housing receiving grooves 318a are arranged in two rows, and the two rows of housing receiving grooves 318a are mirror-symmetrical with respect to a first center line of the upper end surface of the fixture body 300, which is parallel to the long side of the fixture body 300.
As shown in fig. 6 and 7, an XY axis positioning groove is formed in the fourth corner of each housing accommodating groove 318a, and a rotating block 311 is disposed in each XY axis positioning groove, that is, two rows of rotating blocks 311 are also disposed, each row of rotating blocks 311 is only provided with one rotating shaft 321, that is, each row of rotating blocks 311 has one rotating shaft 321 penetrating through all the rotating blocks 311, and the rotating blocks 311 can rotate around the rotating shafts 321 under the pushing of an external force. Preferably, the rotation shaft 321 passes through the clamp body 300 and the rotation block 311 in the length direction of the clamp body 300, and two ends of the rotation shaft 321 are fixed on the clamp body 300, and the length of the rotation shaft 321 is the same as the length of the long side of the clamp body 300.
The rotating blocks 311 are provided with a spring accommodating hole on one side away from the housing accommodating groove 318a, a spring 320 is arranged in the spring accommodating hole, the other end of the spring 320 is attached to the fixture body 300, the spring 320 is used for being compressed when the square housing is taken out or put in, the rotating blocks 311 are driven to reset after the square housing is taken out or put in, each rotating block 311 corresponds to one spring 320, all the springs 320 are not shown in the figure (as shown in fig. 8, in order to clearly illustrate the XY axis auxiliary positioning mechanism formed by the rotating blocks 311, the rotating shafts 321 and the springs 320, the invention separately illustrates the structure of the part, and in combination with fig. 7, the positional relationship between the structure of the part and the fixture body 300 can be clearly known by a person skilled in the art.
In the preferred embodiment of the present invention, the upper end surface of the rotating block 311 is stepped, so as to facilitate pushing or pulling by an external force.
As shown in fig. 6, 7 and 9, the housing accommodating groove 318a extends downward to form a Z-axis positioning hole, the Z-axis positioning hole is a stepped hole, and the Z-axis positioning piece 323 and the expanding bolt 324 are accommodated in the Z-axis positioning hole, (in order to clearly illustrate the Z-axis auxiliary positioning mechanism composed of the Z-axis positioning piece 323 and the expanding bolt 324, the present invention separately illustrates the part of the structure, and in combination with fig. 7, a person skilled in the art can clearly know the positional relationship between the part of the structure and the fixture body 300); specifically, as shown in fig. 11, the expanding bolt 324 includes a head and a screw, the upper part of the screw is an inverted frustum, that is, the upper part of the screw is an inverted frustum with a diameter gradually decreasing from top to bottom, the lower part of the screw is a cylinder, and the outer surface of the cylinder has a first thread (not shown in the figure). The lower end surface of the clamp body 300 is further provided with a screw accommodating hole, the lower end of the screw (i.e. the lower part of the cylinder) is accommodated in the screw accommodating hole, the inner surface of the screw accommodating hole is provided with a second thread, and the second thread is matched with the first thread. The section of the screw rod accommodating Kong Zong is T-shaped, the diameter of the opening at the upper end is larger, the diameter of the opening at the lower end is smaller, and the inner surface of the lower end is provided with second threads. The lower part of the screw of the expanding bolt 324 can pass through the step hole and be accommodated in the screw accommodating hole, namely, the screw is screwed with the screw accommodating hole until the lower end surface of the screw of the expanding bolt 324 is flush with the lower end opening of the screw accommodating hole, and the expanding bolt 324 can be detached when not needed. The step hole may also be disposed in a screw receiving block (as shown in fig. 9), where the screw receiving block is fixedly connected with the fixture body 300, and the lower end surface of the screw receiving block is flush with the lower end surface of the fixture body 300. The Z-axis positioning member 323 may be sleeved on the outer edge of the expanding bolt 324 and placed on the step of the step hole.
As shown in fig. 10, the Z-axis positioning member 323 has a plurality of first dividing grooves 327 from top to bottom, the first dividing grooves 327 divide the upper end of the Z-axis positioning member 323 into lobes, when the diameter-expanding bolt 324 is screwed down, the diameter of the upper portion of the diameter-expanding bolt 324 gradually increases from bottom to top, so that each lobe of the upper end of the Z-axis positioning member 323 gradually expands outwards, and when the diameter-expanding bolt 324 is screwed down to the lower end surface to be flush with the opening of the lower end of the stepped hole, the Z-axis positioning member 323 can completely support the round hole in the middle of the square housing. And a contraction ring 326 is arranged around the outer edge of the opening at the upper end of the Z-axis positioning piece 323, each petal body at the upper end of the Z-axis positioning piece 323 expands outwards, and when the round hole in the middle of the square shell is supported, the lower end face of the contraction ring 326 is attached to the square shell, so that the square shell is pressed, axial limit is formed on the square shell, and the square shell is fixed. When the square shell needs to be disassembled, only the diameter-expanding bolt 324 is required to be unscrewed from the upper part, each petal body at the upper end of the Z-axis positioning piece 323 is restored to the original shape, a round hole in the middle of the square shell is not supported any more, the lower end face of the contraction ring 326 is separated from the square shell, and the square shell is not fixed any more. When the square shell is positioned on the Z axis, the shell accommodating groove is only needed to be placed, the diameter-enlarging bolt 324 is rotated downwards until the lower end is screwed up with the screw accommodating hole, the diameter-enlarging bolt causes the petal-shaped part of the Z axis positioning piece 323 to open and clamp the square shell, and the positioning convenience, the loading and unloading efficiency and the processing efficiency of the square shell are improved.
The lower end of the Z-axis positioning member 323 is provided with a plurality of second dividing grooves, the lower end of the Z-axis positioning member 323 is divided into a petal shape by the second dividing grooves, and the plurality of second dividing grooves and the plurality of first dividing grooves 327 are distributed in a staggered manner.
In the preferred embodiment of the present invention, as shown in fig. 6, the inner surface of the side of the Z-axis positioning hole facing away from the rotating block 311 is provided with a protrusion 319, and the protrusion 319 is located above the step of the step hole. As shown in fig. 9 and 10, the outer surface of the Z-axis positioning member 323 is provided with a notch 325, and the protrusion 319 on the Z-axis positioning hole is matched with the notch 325 on the outer surface of the Z-axis positioning member 323. When the Z-axis positioning piece 323 is placed on the step, the protrusion 319 is engaged with the recess 325 to position the Z-axis positioning piece 323 so that the Z-axis positioning piece 323 does not rotate at will. As shown in fig. 7, a clamping rod 322 is further disposed along the long side of the clamp body 300, and the clamping rod 322 is parallel to the long side of the clamp body 300 and has the same length, i.e., the clamping rod 322 is disposed in the clamp body 300. Because the inner side of the Z-axis positioning hole is provided with the protrusion 319, the outer side of the Z-axis positioning hole is correspondingly provided with the concave surface, and the clamping rod 322 is clamped with the concave surface to play a role in supporting the Z-axis positioning hole. Preferably, two holding rods 322 are provided. Because the housing accommodating grooves 318a are arranged in two rows, each housing accommodating groove 318a is provided with a Z-axis positioning hole in a downward extending manner, the Z-axis positioning holes are correspondingly arranged in two rows, and one side, away from the rotating block 311, of each row of Z-axis positioning holes is provided with a clamping rod 322 which is clamped with the concave surfaces of the outer surfaces of all the Z-axis positioning holes in the row.
In the preferred embodiment of the present invention, as shown in fig. 7, a certain space is left at the lower end of the side of the rotating block 311 facing away from the spring 320, so that a certain rotating space is provided for the rotating block 311 during rotation.
In the preferred embodiment of the present invention, as shown in fig. 3, the upper end surface of the middle fixing plate 200 is provided with a convex surface 316, so that it is easier to lift the clamp body 300 from the upper end surface of the middle fixing plate 200. Preferably, the number of the convex surfaces 316 is 8.
The invention also provides an assembly method of the clamp for the square shell of the camera module, which comprises the following steps:
the rotation driving source 400 is fixed to the lower end surface of the middle fixing plate 200, specifically as described in the above-described device embodiment;
the middle fixing plate 200 is screwed on the upper end surface of the fixture base 100, specifically as described in the device embodiment above;
after the blind rivet 410 is aligned with the two parallel cross bars 312 in a clearance manner, the fixture body 300 moves down until the lower end surface of the fixture body 300 is attached to the upper end surface of the middle fixing plate 200, as described in the above embodiment of the device;
the rotation driving source 400 drives the blind rivet 410 to rotate in the fixing groove 317 to form a longitudinal limit for the clamp body 300, which is described in the above device embodiment.
It is to be understood that the invention is not limited in its application to the examples described above, but is capable of modification and variation in light of the above teachings by those skilled in the art, and that all such modifications and variations are intended to be included within the scope of the appended claims.