Fixing mechanism for circuit board placement machine

Abstract

The utility model discloses a fixing mechanism for a circuit board mounter, which comprises a mounting equipment body, the surface of the mounting equipment body is provided with a sliding chute, the inner wall of the sliding chute is fixedly connected with a guide rod, the guide rod is sleeved with a guide block, the top of the guide block is movably provided with a fixing assembly, and the fixing assembly is fixedly connected with the sliding chute. The fixing assembly comprises a connecting plate, an air cylinder is fixedly connected to the position, close to the rear portion, of the bottom of the connecting plate, a connecting block is fixedly connected to the position, close to the front end, of the bottom of the connecting plate, a containing cavity is formed in the surface of the connecting block, a rotating column is movably installed in the containing cavity, and a buffer spring is arranged on the surface of the rotating column. According to the utility model, through arranging the fixing plate and the sponge gasket which are made of rubber materials, the circuit board is flexibly contacted with the fixing plate and the sponge gasket when being fixed, the circuit board can be prevented from being damaged due to large press-fit fixing force in cooperation with buffer force generated by contraction deformation of the buffer spring, and after the elastic piece is worn, the elastic piece can be rapidly rotated and replaced and is convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a fixing mechanism for a circuit board mounting machine. Background Art

[0002] The circuit board placement machine is installed after the dispensing machine or screen printing machine in the circuit board production line. It solders the components mounted on the surface of the circuit board, such as chips, small capacitors, small resistors, etc., to the circuit board by moving the placement head. In order to ensure the accuracy of the placement, a fixing device is generally used on the placement machine to assist in positioning the circuit board.

[0003] The existing technology has the following problems:

[0004] In the prior art, since the circuit board itself is relatively fragile, the large fixing pressure generated by the clamping or pressing of the fixing device may damage the circuit board, thereby causing economic losses. Utility Model Content

[0005] In view of the problems in the related art, the utility model proposes a fixing mechanism for a circuit board mounting machine to overcome the above technical problems existing in the existing related art.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A fixing mechanism for a circuit board mounting machine comprises a mounting equipment body, a slide groove is provided on the surface of the mounting equipment body, a guide rod is fixedly connected to the inner wall of the slide groove, a guide block is sleeved on the outside of the guide rod, a fixing component is movably installed on the top of the guide block, the fixing component comprises a connecting plate, a cylinder is fixedly connected to the rear part of the bottom of the connecting plate, a connecting block is fixedly connected to the front part of the bottom of the connecting plate, an accommodating cavity is provided on the surface of the connecting block, a rotating column is movably installed inside the accommodating cavity, a buffer spring is provided on the surface of the rotating column, the end of the buffer spring is fixedly connected to the fixing plate, a sponge gasket is bonded to the surface of the fixing plate, and the fixing plate is made of rubber material.

[0008] Preferably, the buffer springs, fixing plates and sponge gaskets are provided in four groups and are arranged in a circular array outside the rotating column. A damping shaft is provided on the inner wall of the accommodating cavity of the connecting block. The rotating column can be rotated by the damping shaft, and the elastic element can be quickly replaced with another group after being worn out.

[0009] Preferably, a rotating block is provided on the outer wall of the connecting block, and an anti-slip strip is provided on the outer wall of the rotating block. The rotating block passes through the connecting block and is connected to the damping shaft. The rotating block is provided to facilitate people to operate the rotation externally, thereby controlling the rotation of the rotating column.

[0010] Preferably, the end of the damping shaft is fixedly connected with a docking sleeve, and the end of the rotating column is fixedly connected with a docking block. The sides of the docking sleeve and the docking block are provided with pin holes, and a positioning pin is inserted into the inside of the pin hole. By setting the docking sleeve, docking block, pin hole and positioning pin, the rotating column can be movably installed inside the connecting block, which is convenient for disassembly and assembly.

[0011] Preferably, a rectangular block is fixedly connected to the surface of the connecting block, and a handle is fixedly connected to the surface of the rectangular block. The handle is arranged to facilitate people to hold it, and after pulling it left and right and cooperating with the guide block to move on the guide rod, the use position of the fixed component can be adjusted.

[0012] Preferably, a mounting plate is fixedly connected to the bottom of the cylinder, threaded holes are provided on the surfaces of the mounting plate and the guide block, docking bolts are rotatably connected inside the threaded holes, and a storage bin is provided on the front of the mounting device body. The threaded holes and docking bolts make it easy for people to remove the fixed components and then place them in the storage bin for storage.

[0013] Preferably, a damping hinge is provided on the inner side wall of the slide slot, a cover plate is fixedly connected to the end of the damping hinge, the width of the connecting plate is slightly smaller than the slide slot, and the cover plate can cover the slide slot after the damping hinge is flipped over to prevent dust from falling into the interior of the device when it is not in use.

[0014] The beneficial effects of the utility model are:

[0015] 1. The fixing mechanism for the circuit board mounting machine can effectively prevent the circuit board from being damaged due to a large pressing and fixing force by setting a fixing plate and a sponge gasket made of rubber material to flexibly contact the circuit board when fixing the circuit board, and then cooperate with the buffer force generated by the contraction and deformation of the buffer spring. After the elastic part is worn out during use, it can be quickly rotated and replaced, which is convenient for people to use for a long time.

[0016] 2. The fixing mechanism for the circuit board mounting machine can flexibly install the rotating column inside the connecting block through the provided docking sleeve, docking block, pin hole and positioning pin, which is convenient for disassembly and assembly. After the handle is pulled left and right, the guide block moves on the guide rod to adjust the use position of the fixing component, so it is convenient to fix circuit boards of different sizes and has stronger applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the disassembled structure of the fixing assembly of the utility model;

[0020] Figure 3 It is a schematic diagram of the overall structure of the rotating column of the utility model.

[0021] In the figure: 1. Mounting equipment body; 2. Slide groove; 3. Guide rod; 4. Guide block; 5. Fixed assembly; 501. Connecting plate; 502. Cylinder; 503. Connecting block; 504. Damping shaft; 505. Docking sleeve; 506. Locating pin; 507. Rotating block; 508. Rotating column; 509. Buffer spring; 510. Fixed plate; 511. Sponge gasket; 512. Docking block; 513. Pin hole. DETAILED DESCRIPTION

[0022] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0023] According to an embodiment of the utility model, a fixing mechanism for a circuit board mounting machine is provided.

[0024] Embodiment 1;

[0025] like Figure 1-Figure 3 As shown, according to the embodiment of the utility model, a fixing mechanism for a circuit board mounting machine includes a mounting device body 1, a slide groove 2 is provided on the surface of the mounting device body 1, a guide rod 3 is fixedly connected to the inner wall of the slide groove 2, a guide block 4 is sleeved on the outside of the guide rod 3, a fixing component 5 is movably installed on the top of the guide block 4, the fixing component 5 includes a connecting plate 501, a cylinder 502 is fixedly connected to the rear part of the bottom of the connecting plate 501, a connecting block 503 is fixedly connected to the front end of the bottom of the connecting plate 501, a accommodating cavity is provided on the surface of the connecting block 503, a rotating column 508 is movably installed inside the accommodating cavity, a buffer spring 509 is provided on the surface of the rotating column 508, a fixing plate 510 is fixedly connected to the end of the buffer spring 509, a sponge gasket 511 is bonded to the surface of the fixing plate 510, and the fixing plate 510 is made of rubber material.

[0026] In this embodiment, the number of buffer springs 509, fixing plates 510 and sponge gaskets 511 is four groups, and they are arranged in a circular array outside the rotating column 508. The inner wall of the accommodating cavity of the connecting block 503 is provided with a damping shaft 504. The rotating column 508 can be rotated through the provided damping shaft 504, and can be quickly replaced with another group after the elastic element is worn out.

[0027] In this embodiment, a rotating block 507 is provided on the outer wall of the connecting block 503, and an anti-slip strip is provided on the outer wall of the rotating block 507. The rotating block 507 passes through the connecting block 503 and is connected to the damping shaft 504. The rotating block 507 is provided to facilitate people to operate the rotation externally, thereby controlling the rotation of the rotating column 508.

[0028] In this embodiment, the end of the damping shaft 504 is fixedly connected to a docking sleeve 505, and the end of the rotating column 508 is fixedly connected to a docking block 512. Pin holes 513 are provided on the sides of the docking sleeve 505 and the docking block 512, and a positioning pin 506 is inserted into the pin hole 513. By setting the docking sleeve 505, the docking block 512, the pin hole 513 and the positioning pin 506, the rotating column 508 can be movably installed inside the connecting block 503, and disassembly and assembly are convenient.

[0029] In this embodiment, a rectangular block is fixedly connected to the surface of the connecting block 503, and a handle is fixedly connected to the surface of the rectangular block. The handle is provided to facilitate people to hold it, and after pulling it left and right, it cooperates with the guide block 4 to move on the guide rod 3, and the use position of the fixing component 5 can be adjusted.

[0030] Embodiment 2:

[0031] On the basis of the first embodiment, the preferred embodiment of the fixing mechanism for the circuit board mounting machine provided by the present invention is as follows: Figures 1 to 3 As shown:

[0032] In this embodiment, a mounting plate is fixedly connected to the bottom of the cylinder 502, and threaded holes are provided on the surfaces of the mounting plate and the guide block 4. Docking bolts are rotatably connected inside the threaded holes. A storage bin is provided on the front of the mounting device body 1. The threaded holes and docking bolts make it easy for people to remove the fixing component 5 and then place it in the storage bin for storage.

[0033] In this embodiment, a damping hinge is provided on the inner wall of the slide groove 2, and a cover plate is fixedly connected to the end of the damping hinge. The width of the connecting plate 501 is slightly smaller than the slide groove 2. Through the set cover plate, the slide groove 2 can be covered after the damping hinge is flipped over to prevent dust from falling into the interior of the device when it is not in use.

[0034] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0035] In actual application, the circuit board is placed on the surface of the mounting device body 1. According to the size of the circuit board, the fixing component 5 is moved left and right by grabbing the handle. The use position of the fixing component 5 can be adjusted by moving the guide block 4 on the guide rod 3, so it is convenient to fix circuit boards of different sizes. The cylinder 502 contracts to make the connecting plate 501 drop, and contact the circuit board through the fixing plate 510 and the sponge gasket 511. The fixing plate 510 is made of rubber, and the sponge gasket 511 is also made of flexible material, so it is in flexible contact with the circuit board. When it contacts the circuit board, it cooperates with the buffer The buffering force generated by the contraction deformation of the spring 509 can effectively prevent the circuit board from being damaged due to the large pressing and fixing force. After the elastic software is worn out, the rotating block 507 is rotated, and the rotating column 508 will rotate under the action of the damping shaft 504, thereby exposing a group of unused fixing plates 510, thereby achieving the purpose of quickly adjusting and replacing the elastic buffer parts. After the processing process is completed, the fixing component 5 is removed from the guide block 4 and placed in the storage bin on the front of the mounting equipment body 1 for storage, and then the cover plate is flipped over by the damping hinge to cover the slide slot 2 to prevent dust from falling into the inside of the equipment when it is not in use.

[0036] In summary, with the aid of the above-mentioned technical scheme of the utility model, by setting a fixing plate 510 and a sponge gasket 511 made of rubber material, they are in flexible contact with the circuit board when fixing it, and the buffer force generated by the contraction deformation of the buffer spring 509 can effectively prevent the circuit board from being damaged due to the large pressing and fixing force. After the elastic part is worn out during use, it can be quickly rotated and replaced, which is convenient for people to use for a long time. The setting and use of the docking sleeve 505, the docking block 512, the pin hole 513 and the positioning pin 506 enable the rotating column 508 to be movably installed inside the connecting block 503, which is convenient for disassembly and assembly. After pulling the handle left and right, it cooperates with the guide block 4 to move on the guide rod 3, and the use position of the fixing component 5 can be adjusted, so it is convenient to fix circuit boards of different sizes, and it is more applicable.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixing mechanism for a circuit board placement machine, comprising a placement device body (1), characterized in that: The surface of the mounting device body (1) is provided with a slide groove (2), the inner wall of the slide groove (2) is fixedly connected with a guide rod (3), the outer part of the guide rod (3) is sleeved with a guide block (4), the top of the guide block (4) is movably mounted with a fixing component (5), the fixing component (5) comprises a connecting plate (501), the bottom of the connecting plate (501) is fixedly connected with a cylinder (502) at the rear, the bottom of the connecting plate (501) is fixedly connected with a connecting block (503) at the front, the surface of the connecting block (503) is provided with a receiving cavity, the interior of the receiving cavity is movably mounted with a rotating column (508), the surface of the rotating column (508) is provided with a buffer spring (509), the end of the buffer spring (509) is fixedly connected with a fixing plate (510), the surface of the fixing plate (510) is bonded with a sponge gasket (511), and the fixing plate (510) is made of rubber material.

2. A fixing mechanism for a circuit board mounting machine according to claim 1, characterized in that: The buffer springs (509), the fixing plates (510) and the sponge gaskets (511) are provided in four groups and are arranged in a circular array outside the rotating column (508). The inner wall of the accommodating cavity of the connecting block (503) is provided with a damping shaft (504).

3. A fixing mechanism for a circuit board mounting machine according to claim 2, characterized in that: The outer wall of the connecting block (503) is provided with a rotating block (507), the outer wall of the rotating block (507) is provided with an anti-slip strip, and the rotating block (507) penetrates the connecting block (503) and is connected to the damping shaft (504).

4. A fixing mechanism for a circuit board mounting machine according to claim 2, characterized in that: The end of the damping shaft (504) is fixedly connected to a docking sleeve (505), and the end of the rotating column (508) is fixedly connected to a docking block (512). The sides of the docking sleeve (505) and the docking block (512) are both provided with pin holes (513), and a positioning pin (506) is inserted into the pin hole (513).

5. The fixing mechanism for a circuit board mounting machine according to claim 1, characterized in that: A rectangular block is fixedly connected to the surface of the connection block (503), and a handle is fixedly connected to the surface of the rectangular block.

6. A fixing mechanism for a circuit board mounting machine according to claim 1, characterized in that: The bottom of the cylinder (502) is fixedly connected to a mounting plate, the surfaces of the mounting plate and the guide block (4) are provided with threaded holes, the interior of the threaded holes is rotatably connected with docking bolts, and a storage bin is provided on the front of the mounting device body (1).

7. A fixing mechanism for a circuit board mounting machine according to claim 1, characterized in that: The inner side wall of the slide groove (2) is provided with a damping hinge, the end of the damping hinge is fixedly connected to a cover plate, and the width of the connecting plate (501) is slightly smaller than the slide groove (2).

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