Screw positioning module, screw hitting unit and automatic screw hitting mechanism

Abstract

The invention discloses a screw positioning module, a screw hitting unit and an automatic screw hitting mechanism, and the screw positioning module comprises a positioning seat, a positioning clamp which can be opened and closed and is arranged at the bottom of the positioning seat, a swing block driving part arranged at the front end of the positioning seat and a clamp driving part arranged at the rear end of the positioning seat; when the positioning clamp is in a closed state, a clamping cavity capable of accommodating a screw is formed in the positioning clamp; the top of the positioning seat is provided with a first through hole for inputting a screw at a position close to the front end and a second through hole for penetrating in or out of the twisting rod at a position close to the rear end, the second through hole is vertically opposite to the clamping cavity, the front end of the positioning seat is provided with an intersection hole for intersecting the first through hole, the second through hole and the clamping cavity, and a swing block is hinged to the intersection hole; the swing block driving piece is used for driving the swing block to swing in or out relative to the intersection opening, and a penetrating channel for communicating the first through opening with the clamping cavity when the swing block swings into the intersection opening is formed in the swing block; the clamp driving piece is used for driving the positioning clamp switch. The automobile lamp assembling efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle lamp assembly equipment, and in particular to a screw positioning module, a screw driving unit and an automatic screw driving mechanism. Background Art

[0002] Screws are one of the essential parts in the process of assembling car lights. For example, screws are needed to install the circuit board on the lamp housing and the inner lens on the cover. The traditional method of screwing screws is to manually align the screwdriver and the screw, and then tighten them to the parts that need to be assembled with each other. In order to reduce the labor intensity of manual labor and improve production efficiency, a fixture is installed on the workbench to position the parts to be assembled with each other before locking, and an electric screwdriver is used to lock the screws. For this reason, the placement and screwing of this screw-driving structure are both done manually, and its screw-driving efficiency is greatly affected by the workers. If automated machinery is used to replace manual screwing, how to align and position the screwdriver and the screw is the main technical problem that must be solved. Summary of the invention

[0003] The object of the present invention is to provide a screw positioning module, a screw driving unit and an automatic screw driving mechanism.

[0004] To achieve the above object, the present invention provides the following technical solutions:

[0005] A screw positioning module comprises a positioning seat, a positioning clamp which can be opened and closed and is arranged at the bottom of the positioning seat, a swing block driving member arranged at the front end of the positioning seat, and a clamp driving member arranged at the rear end of the positioning seat; when the positioning clamp is in a closed state, a clamp cavity which can accommodate a screw is formed inside the positioning clamp; the top of the positioning seat is provided with a first opening for screw input near the front end and a second opening for a turning rod to pass in or out near the rear end, the second opening is opposite to the clamp cavity in upper and lower directions, the front end of the positioning seat is provided with an intersection where the first opening, the second opening and the clamp cavity intersect, and a swing block is hinged at the intersection; the swing block driving member is used to To drive the pendulum block to swing in or out relative to the intersection, a through-channel is formed in the pendulum block to connect the first through-port with the clamp cavity when the pendulum block is swung into the intersection; the clamp driving component is used to drive the positioning clamp switch, so that when the positioning clamp is closed, the pendulum block driving component drives the pendulum block to swing into the intersection, and the screw can be input into the clamp cavity along the first through-port and the through-channel; then, the pendulum block driving component drives the pendulum block to swing out of the intersection, and the turning rod can penetrate into the clamp cavity along the second through-port and the intersection to magnetically position the screw; finally, the clamp driving component drives the positioning clamp to open, and the turning rod together with the screw extends toward the position where the screw is to be driven in the headlight component, and the screw is driven in.

[0006] The present invention needs to provide a screw driving unit having the screw positioning module.

[0007] A screw driving unit comprises a base, a vertical lifting guide rail installed on the base, a screw turning module installed on the lifting guide rail and capable of lifting and sliding along the lifting guide rail, a bottom plate installed at the bottom of the base and located below the lifting guide rail, a lifting drive module installed on the top surface of the bottom plate and used for driving the screw turning module to lift and slide along the lifting guide rail, and the screw positioning module installed on the bottom surface of the bottom plate, wherein the screw turning module is formed with a turning rod for screwing.

[0008] The present invention needs to provide an automatic screw driving mechanism having the screw driving unit.

[0009] An automatic screw driving mechanism comprises a transversely erected base frame, a second linear module transversely mounted on the top of the base frame, a lateral conveying seat mounted on the second linear module, a third linear module vertically mounted on the lateral conveying seat, and the screw driving unit mounted on the third linear module, wherein the second linear module is used for driving the lateral conveying seat to reciprocate transversely on both sides of a locking station, and the third linear module is used for driving the screw driving unit to vertically lift and lower.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention proposes a screw positioning module, a screw driving unit and an automatic screw driving mechanism, which can efficiently input the screw into the clamping cavity of the positioning clamp through the cooperation between the positioning seat, the positioning clamp, the swing block driving component and the clamp driving component, so as to facilitate the magnetic positioning of the screw after the turning rod is inserted into the clamping cavity, thereby effectively improving the efficiency of the car lamp assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 A schematic diagram of a screw-driving device used for assembling a headlight.

[0012] Figure 2 A partial view of a screw-driving device used for assembling a headlight.

[0013] Figure 3 This is a schematic diagram of the automatic screw driving mechanism.

[0014] Figure 4 This is a schematic diagram of the screw driving unit.

[0015] Figure 5 This is a schematic diagram of the screw positioning module.

[0016] Figure 6 This is the schematic diagram of the clamp drive. DETAILED DESCRIPTION

[0017] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the protection scope of the present invention.

[0018] See also Figure 1 , Figure 2 and Figure 3 A screw-driving device for assembling a headlight comprises a main body 10, two groups of reciprocating conveying modules 20, two sets of headlight positioning fixtures 30, an automatic nail feeding machine 40 and an automatic screw-driving mechanism 50; the main body 10 comprises a machine platform 11 and a machine frame 12 connected to the top of the machine platform 11, and a pick-up and placement station 101 and a locking station 102 are sequentially formed on the top surface of the machine platform 11 from the front end to the rear end; the two groups of reciprocating conveying modules 20 are longitudinally installed side by side on the top surface of the machine platform 11, and each reciprocating conveying module 20 comprises a forward conveying seat 21 capable of longitudinally transporting back and forth between the pick-up and placement station 101 and the locking station 102 and a first linear module 22 for driving the forward conveying seat 21 to transport between the pick-up and placement station 101 and the locking station 102; each forward conveying seat 21 is detachably mounted with a headlight positioning fixture 30, and the headlight components assembled with each other are positioned by the headlight positioning fixture 30;

[0019] The automatic nail feeding machine 40 is arranged outside one side of the machine platform 11, and a conveying hose 41 is arranged between the automatic nail feeding machine 40 and the automatic screw driving mechanism 50 for conveying screws to the automatic screw driving mechanism 50;

[0020] The automatic screw driving mechanism 50 comprises a base frame 51 horizontally mounted on the locking station 102, a second linear module 52 horizontally mounted on the top of the base frame 51, a lateral conveying seat 53 mounted on the second linear module 52, a third linear module 54 vertically mounted on the lateral conveying seat 53, and a screw driving unit 55 mounted on the third linear module 54, wherein the second linear module 52 is used to drive the lateral conveying seat 53 to reciprocate horizontally on both sides of the locking station 102, and the third linear module 54 is used to drive the screw driving unit 55 to reciprocate vertically between the lateral conveying seat 53 and the machine table 11.

[0021] The screw-driving unit 55 comprises a base 551 arranged on the third linear module 54, a vertical lifting guide rail 552 installed on the base 551, a screw-twisting module 553 arranged on the lifting guide rail 552 and capable of lifting and sliding along the lifting guide rail 552, a bottom plate 554 installed at the bottom of the base 551 below the lifting guide rail 552, a lifting driving module 555 arranged on the top surface of the bottom plate 554 for driving the screw-twisting module 553 to lift and slide along the lifting guide rail 552, and a screw positioning module 556 arranged on the bottom surface of the bottom plate 554 and connected to the conveying hose 41. The screw-twisting module 553 is formed with a screw-twisting rod 501 for screwing, so that the worker can place the headlight component on a reciprocating conveying station 101 to move the headlight component to the position of the headlight component. After the modules 20 are assembled and positioned on the headlight positioning fixture 30, the reciprocating conveying module 20 conveys the forward conveying seat 21 from the pick-and-place station 101 to the locking station 102, and the screws are input from the conveying hose 41 into the screw positioning module 556. With the cooperation of the second linear module 52, the third linear module 54 and the lifting drive module 555, the screw positioning module 556 and the screw turning module 553 are moved to the positions of the headlight components to be screwed in sequence, and the screw positioning module 556 and the screw turning module 553 cooperate with each other, and the screws are driven in sequence with the turning rod 501; at the same time, the workers can assemble and position the headlight components on the headlight positioning fixture 30 of another reciprocating conveying module 20 at the pick-and-place station 101.

[0022] Further, in this embodiment, in combination with reference 4, Figure 5 and Figure 6The screw positioning module 556 includes a positioning seat 61 arranged on the bottom surface of the base plate 554, a positioning clamp 62 that can be opened and closed and arranged at the bottom of the positioning seat 61, a swing block driving member 63 arranged at the front end of the positioning seat 61, and a clamp driving member 64 arranged at the rear end of the positioning seat 61; when the positioning clamp 62 is in a closed state, a clamp cavity 621 capable of accommodating a screw is formed inside the positioning clamp 62; the top of the positioning seat 61 is provided with a first opening 611 connected to the delivery hose 41 near the front end, and a second opening 612 for the screw rod 501 to pass through or pass through is provided near the rear end, the second opening 612 is opposite to the clamp cavity 621 in upper and lower directions, the front end of the positioning seat 61 is provided with an intersection 613 that intersects the first opening 611, the second opening 612 and the clamp cavity 621, and a swing block 65 is hinged at the intersection 613, and the swing block driving member 63 is used to drive the swing block 65 relative to the intersection 61 3 swings in or out, a through-channel 651 is formed in the swing block 65 to connect the first through-port 611 with the clamping cavity 621 when the swing block 65 swings into the intersection 613; the clamp driving member 64 is used to drive the switch of the positioning clamp 62, so that when the positioning clamp 62 is closed, the swing block driving member 63 drives the swing block 65 to swing into the intersection 613, and the screw is input from the delivery hose 41, along the first through-port 611 and the through-channel 651, and is input into the clamping cavity 621; Afterwards, the swing block driving component 63 drives the swing block 65 to swing out of the intersection 613, and under the drive of the lifting drive module 555, the turning rod 501 penetrates into the clamping cavity 621 along the second opening 612 and the intersection 613 to magnetically position the screw; finally, the clamp driving component 64 drives the positioning clamp 62 to open, and under the drive of the lifting drive module 555, the turning rod 501 and the screw extend toward the position of the headlight component where the screw is to be driven, and the screw is driven in.

[0023] Furthermore, in this embodiment, the screw-twisting module 553 includes a rotating driving member 502 for driving the twisting rod 501 to rotate.

[0024] Furthermore, in the present embodiment, a self-inspection bucket 103 is provided in the middle of the locking station 102 to cooperate with the automatic screw driving mechanism 50 to detect the screw conveying function of the automatic nail feeding machine 40 .

[0025] It can be understood that the method for using the screw driving device for assembling a headlight includes the following steps: the first step is that after the worker assembles the headlight components on the headlight positioning fixture 30 of a reciprocating conveying module 20 at the pick-and-place station 101, the assembled headlight components are positioned with the headlight positioning fixture 30; the second step is to start the first linear module 22 of the reciprocating conveying module 20 to transport the forward conveying seat 21 from the pick-and-place station 101 to the locking station 102, and after the sensor set at the locking station 102 senses the input of the forward conveying seat 21, it transmits a signal to the automatic nail feeding machine 40 and the automatic screw driving mechanism 50, and the automatic nail feeding machine 40 sequentially inputs the screws from the conveying hose 41 into the screw positioning module 556 of the automatic screw driving mechanism 50, and the second linear module 52, the third linear module 54 and the lifting drive module 555 are matched. When the screws are closed, the screw positioning module 556 and the screw turning module 553 are moved to the positions of the headlight components to be screwed in sequence, and the screw positioning module 556 and the screw turning module 553 cooperate with each other, and the screws are driven in sequence by the turning rod 501; in the third step, at the same time, the worker assembles the headlight components on the headlight positioning fixture 30 of another reciprocating conveying module 20 at the pick-and-place station 101, and then positions the assembled headlight components with the headlight positioning fixture 30. After the headlight components on the previous reciprocating conveying module 20 are locked, the first linear module 22 of the reciprocating conveying module 20 is started and the locked headlight components are taken out from the return position of the previous reciprocating conveying module 20 to the headlight positioning fixture 30 on the forward conveying seat 21 of the pick-and-place station 101; in this way, the above three steps are repeated to achieve efficient screwing of the headlight components.

[0026] In summary, the screw positioning module, screw driving unit and automatic screw driving mechanism of the present invention can efficiently input the screw into the clamping cavity 621 of the positioning clamp 62 through the cooperation between the positioning seat 61, the positioning clamp 62, the swing block driver 63 and the clamp driver 64, so as to facilitate the magnetic positioning of the screw after the turning rod is inserted into the clamping cavity 621, thereby effectively improving the efficiency of the car lamp assembly.

[0027] As long as it does not violate the creative ideas of the present invention, any combination of the various embodiments of the present invention shall be regarded as the contents disclosed by the present invention; within the technical concept of the present invention, any combination of various simple modifications of the technical scheme and different embodiments that does not violate the creative ideas of the present invention shall be within the protection scope of the present invention.

Claims

1. A screw positioning module, characterized in that: The invention comprises a positioning seat (61), a positioning clamp (62) which can be opened and closed and is arranged at the bottom of the positioning seat (61), a swing block driving member (63) arranged at the front end of the positioning seat (61), and a clamp driving member (64) arranged at the rear end of the positioning seat (61); when the positioning clamp (62) is in a closed state, a clamp cavity (621) which can accommodate a screw is formed inside the positioning clamp (62); a first through hole (621) for screw input is formed at the top of the positioning seat (61) near the front end 11) and a second opening (612) is provided near the rear end for the twisting rod (501) to pass through or pass through, the second opening (612) and the clamping cavity (621) are vertically opposite, the front end of the positioning seat (61) is provided with an intersection (613) for intersecting the first opening (611), the second opening (612) and the clamping cavity (621), and a swing block (65) is hingedly connected to the intersection (613); the swing block driving member (63) is used to drive the swing block (65) to move relative to the intersection. The intersection (613) is swung in or out, and a through-channel (651) is formed in the swing block (65) to connect the first through-channel (611) with the clamping cavity (621) when the swing block (65) is swung into the intersection (613); the clamp driving member (64) is used to drive the positioning clamp (62) to switch, so that when the positioning clamp (62) is in the closed state, the swing block driving member (63) drives the swing block (65) to swing into the intersection (613), and the screw can be connected along the first through-channel (651) and the through-channel (651). 1), input into the clamping cavity (621); then, the swing block driving member (63) drives the swing block (65) to swing out of the intersection (613), and the turning rod (501) can penetrate into the clamping cavity (621) along the second opening (612) and the intersection (613), and magnetically position the screw; finally, the clamp driving member (64) drives the positioning clamp (62) to open, and the turning rod (501) and the screw extend toward the position of the lamp component where the screw is to be driven, and the screw is driven in.

2. A screw driving unit, characterized in that: The invention comprises a base (551), a lifting guide rail (552) vertically mounted on the base (551), a screw turning module (553) mounted on the lifting guide rail (552) and capable of lifting and sliding along the lifting guide rail (552), a bottom plate (554) mounted on the bottom of the base (551) and located below the lifting guide rail (552), a lifting drive module (555) mounted on the top surface of the bottom plate (554) and used for driving the screw turning module (553) to lift and slide along the lifting guide rail (552), and a screw positioning module (556) as claimed in claim 1 mounted on the bottom surface of the bottom plate (554), wherein the screw turning module (553) is formed with a turning rod (501) for screwing.

3. An automatic screw driving mechanism, comprising a laterally erected base frame (51), a second linear module (52) laterally mounted on the top of the base frame (51), a lateral conveying seat (53) mounted on the second linear module (52), a third linear module (54) vertically mounted on the lateral conveying seat (53), and a screw driving unit (55) according to claim 2 mounted on the third linear module (54), wherein the second linear module (52) is used to drive the lateral conveying seat (53) to reciprocate laterally on both sides of the locking station (102), and the third linear module (54) is used to drive the screw driving unit (55) to rise and fall vertically.

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