CN111799115A - Single-layer tact switch automatic assembly machine - Google Patents

Abstract

The invention discloses an automatic assembling machine for a single-layer tact switch, which comprises a rack and a turntable mechanism, wherein a carrier is arranged on the turntable mechanism, a product groove is formed in the carrier, and a base feeding mechanism, a spring plate feeding mechanism, a sub-packaging mechanism and a general packaging mechanism are arranged on the rack; the base feeding mechanism, the elastic sheet feeding mechanism, the sub-packaging mechanism and the general packaging mechanism are sequentially distributed along the turntable mechanism; the sub-packaging mechanism comprises a cover feeding mechanism for feeding the cover into a first position of the combining station, a button feeding mechanism for feeding the button into a second position of the combining station, and a material taking mechanism for sucking up the cover and the button at the first position and the second position of the combining station respectively to enable the cover and the button to form a second combination and feeding the second combination into the carrier product groove; the invention provides an automatic assembling machine for a single-layer tact switch, which can complete the assembly of all parts in a turntable, and the assembled product has the advantages of good stability, high qualification rate, high production benefit, simple operation and convenient maintenance.

Description

Single-layer tact switch automatic assembly machine

technical field

The application belongs to the technical field of tact switch assembly, and in particular relates to a single-layer tact switch automatic assembly machine.

Background technique

The relatively small key switch among the tact switches is a key switch that has gradually emerged after the tact switch. At present, more and more people use the side-press tact switch. The side-press switch has the advantages of being relatively light, occupying less space, very convenient to use, very good in fixing performance, and more reliable in terms of quality and safety.

At this stage, the assembly of the tact switch, that is, riveting and fixing the relevant components on the base, is almost a semi-automatic operation. There are human factors in the manual assembly, and defective products are prone to occur. Moreover, the assembly cycle is long, the efficiency is low, and the cost is high. In view of this, based on the defects and deficiencies of the existing technology, a single-layer tact switch automatic assembly machine is designed.

SUMMARY OF THE INVENTION

The present invention mainly aims at the above problems, and proposes an automatic assembling machine for single-layer tact switches, which can complete the assembly of various parts in a turntable, and the assembled products have good stability, high qualification rate and high production efficiency, and Simple operation and convenient maintenance.

In order to achieve the above purpose, the present invention provides a single-layer tact switch automatic assembly machine, which includes a frame and a turntable mechanism installed on the frame. A product slot is provided, and a base feeding mechanism for feeding the base into the carrier is installed on the rack, and a shrapnel feeding mechanism for feeding the shrapnel into the carrier is used for feeding the second combination of the button and the cover into the The sub-assembly mechanism of the carrier, and the final assembly mechanism for riveting the cover and the base; the base feeding mechanism, the shrapnel feeding mechanism, the sub-assembly mechanism and the final assembly mechanism are sequentially distributed along the turntable mechanism; the sub-assembly mechanism includes The cover feeding mechanism for feeding the lid into the first position of the combined station, the button feeding mechanism for feeding the button into the second position of the combined station, the suction of the lid and the button at the first position and the second position of the combined station respectively. A take-up mechanism that causes the lid and button to form a second assembly and feeds the second assembly into the product chute of the carrier.

Further, the base feeding mechanism includes a base circular vibration plate, a base linear feeder, a base linear vibration feeder and a base feeding assembly, and the base feeding assembly has a feeding plate, a first movable bearing and a base feeding cylinder. , the material receiving plate is provided with a material receiving groove, the material receiving groove is butted with the discharge port of the base linear feeder, and the material receiving groove is provided with a through-product drop hole in the direction of the product groove. A movable bearing is located between the product drop hole and the product slot, and has a product drop channel for dropping the product in the product drop hole into the product slot; the movable end of the base feeding cylinder is provided with a drive to drive the displacement of the first movable bearing The base actuator makes the product falling channel correspond one-to-one with the product falling hole and the product groove.

Further, the elastic sheet feeding mechanism includes an elastic sheet pulling mechanism for pulling the material tape, an elastic sheet cutting mechanism for cutting the material tape, and a step change mechanism for changing the feeding step distance of the elastic sheet.

Further, the discharge port of the cover feeding mechanism is provided with a cover material distribution cylinder, and the cover material distribution cylinder is used for feeding the cover at the discharge port to the first position of the combined station;

A button material distribution cylinder is arranged on the discharge port of the button feeding mechanism, and the button material distribution cylinder is used to feed the button at the discharge port to the second position of the combined station;

The material reclaiming mechanism includes a combined cylinder and a material reclaimer, and the combined cylinder has a first combined cylinder, a second combined cylinder, and a third combined cylinder;

Wherein, the reclaimer is provided with a removal groove, the removal groove is provided with a convex column, and the removal groove and the convex column are respectively provided with air holes for sucking the cover and the button; the material removal The parts are respectively controlled by the first combined cylinder, the second combined cylinder and the third combined cylinder. Under the action of the first combined cylinder, the removal groove cooperates with the cover on the combined station and sucks the cover ; Under the action of the second combined cylinder, the protruding column cooperates with the button, sucks the button, and forms a combination of the cover and the button; under the action of the third combined cylinder, the The assembly is transferred to the carrier product slot.

Further, the lid feeding mechanism includes a lid circular vibrating disc, a lid linear feeder, and a lid linear vibrating feeder; the button feeding mechanism includes a button circular vibrating disc, a button linear feeder, and a button linear vibrator; the The Lid Line Feeder and Button Line Feeder have four sets of feed troughs.

Further, the rack is also provided with a discharging mechanism for moving the finished tact switch out of the carrier.

Further, the discharging mechanism includes a discharging cylinder and a movable plate connected to the driving end of the discharging cylinder, the movable plate is provided with a discharging punch and an actuating block, and the turntable mechanism includes a rotary table and a A fixed seat in the middle of the turntable, a carrier and a discharge port are arranged on the turntable, a second movable bearing is arranged on the carrier, and the second movable bearing passes through the inside of the carrier, There is a discharge channel for dropping the product in the product groove out of the discharge port; the movable plate is provided with an actuating block for driving the displacement of the second movable bearing and a discharge punch for sending the product from the product groove out of the discharge port, Driven by the unloading cylinder, the actuating block makes the unloading channel correspond to the product groove and the discharge port one by one.

Further, an installation groove is provided on the movable plate, and the actuating block is detachably arranged in the installation groove.

The beneficial effects of the present invention are as follows: the single-layer tact switch automatic assembly machine provided by the present invention has a compact structure, can replace workers to automatically assemble the tact switch, has high production efficiency, saves labor, and reduces production costs; Other beneficial effects will be further clarified in the specific embodiments.

Description of drawings

FIG. 1 is a schematic diagram of the assembly structure of the first assembly of the tact switch of the present application.

FIG. 2 is a schematic diagram of the assembly structure of the second assembly of the tact switch of the present application.

FIG. 3 is a schematic structural diagram of the combination of the first combination body and the second combination body of the tact switch of the present application.

FIG. 4 is a schematic structural diagram of the tact switch after hot-pressing riveting.

FIG. 5 is a schematic three-dimensional structure diagram of the single-layer tact switch automatic assembly machine of the present application.

FIG. 6 is a schematic top-view structural diagram of the automatic assembly and connection of the single-layer tact switch of the present application.

FIG. 7 is a schematic structural diagram of the base feeding mechanism.

FIG. 8 is a partial enlarged schematic view of the structure at A in FIG. 7 .

FIG. 9 is a schematic diagram of the position structure among the feeder plate, the base actuating block and the carrier.

FIG. 10 is a schematic structural diagram of the base actuating block.

FIG. 11 is a schematic structural diagram of the elastic sheet feeding mechanism.

FIG. 12 is a schematic structural diagram of the dispensing mechanism.

FIG. 13 is a partial enlarged schematic view of the structure at B in FIG. 12 .

Fig. 14 is a schematic diagram of the structure between the reclaimer and the distribution plate.

Figure 15 is a schematic view of the structure of the cover.

Figure 16 is a schematic structural diagram of the final assembly mechanism.

FIG. 17 is a schematic structural diagram of the tact switch in a riveted state.

FIG. 18 is a schematic structural diagram of the discharging mechanism.

FIG. 19 is a schematic diagram of a partial structure at C in FIG. 18 .

FIG. 20 is a schematic diagram of the connection structure between the actuating block and the second movable bearing.

Figure 21 is a schematic diagram of the structure of the reclaimer.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that when a component is referred to as being "fixed to" another component, it can be directly on the other component or there may also be a centered component. When a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a co-existence of an intervening component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a co-existing centered component. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in FIGS. 1-3 , the overall structure of the tact switch includes: a spring sheet 01 , a base 02 with metal terminals 03 , a cover 04 and a button 05 . In some embodiments, they form the first assembly 1 according to the combination of the elastic sheet 01 and the base 02, the cover 04 and the button 05 are combined to form the second assembly 2, and then the two assemblies are combined to form the semi-finished product 3, and finally riveted by hot pressing Press to form the finished tact switch shown in Figure 4.

In some embodiments, a single-layer tact switch automatic assembly machine is provided, including a frame 300 and a turntable mechanism 100 installed on the frame 300, the turntable mechanism 100 comprising a turntable 101 and a turntable provided on the turntable 100. The fixed seat 102 in the middle of the table 101, a plurality of carriers 103 are arranged on the turntable mechanism at intervals, the carrier 103 is provided with a product slot 1030, and the rack 300 is provided with a base 02 for feeding the carrier products The base feeding mechanism 10 of the slot 1030 is used to feed the elastic sheet 01 into the carrier product slot 1030 The elastic sheet feeding mechanism 20 is used to feed the second combination 2 of the button 05 and the cover 04 into the sub-packaging of the carrier product slot 1030 The mechanism 200, and the final assembly mechanism 50 for performing the thermocompression riveting on the first assembly 1 and the second assembly 2, that is, the thermocompression riveting between the cover 04 and the base 02. The base feeding mechanism 10 , the shrapnel feeding mechanism 20 , the sub-assembly mechanism 200 and the final assembly mechanism 50 are sequentially distributed along the turntable mechanism 100 , corresponding to their respective workstations.

A base feeding mechanism 10 of a single-layer tact switch automatic assembly machine is shown in Figures 7-9. The base feeding mechanism 10 includes a base circular vibration plate 11, a base linear feeder 12, a base linear vibration feeder 13 and a base The feeding assembly 14, the base feeding assembly 14 has a feeding plate 141, a first movable bearing 142 and a base feeding cylinder 140, the feeding plate 141 is provided with a feeding groove 1410, the feeding groove 1410 It is connected with the discharge port of the linear feeder 12 of the base, and the receiving slot 1410 is provided with a through-product drop hole 1411 in the direction of the product slot 1030. The first movable bearing 142 is located between the product drop hole 1411 and the product slot 1030. There is a product drop channel 1420 for dropping the product in the product drop hole 1411 (ie the base 02 ) into the product slot 1030 ; the movable end of the base feeding cylinder 140 is provided with a drive to drive the displacement of the first movable bearing 142 The base actuator 143 makes the product falling channel 1420 correspond one-to-one with the product falling hole 1411 and the product slot 1030 .

In some embodiments, the base actuator 143 may include a push plate 1430 and a base actuating block 1431, the push plate 1430 is connected with the movable rod of the base feeding cylinder 140, and the push plate 1430 is provided with a The installation groove for the base actuating block 1431 enables the base actuating block 1431 to be disassembled and replaced, thereby improving the convenience during use. Specifically, as shown in FIG. 10 , the base actuating block 1431 has a connecting portion 14310 connected to the installation groove, and a vertical portion 14311 and an inclined portion 14312 that cooperate with the first movable shaft 142 . It can be understood that the base circular The base 02 in the vibration plate 11 is sent to the receiving chute 1410 and the product drop hole 1411 through the base linear feeder 12 according to the preset orientation. When the carrier 103 reaches the base feeding station, the base feeding cylinder 140 is activated to drive the pusher. The plate 1430 and the base actuating block 1431 move downward. During the descending process, the base actuating block 1431 contacts the first movable bearing 142 and makes the first movable bearing 142 move in the horizontal direction until from the inclined part 14312 to the vertical part 14311 At this time, the channels of the product drop channel 1420, the product drop hole 1411 and the product slot 1030 are opened, and the base 02 falls into the bottom of the product slot 1030 from this channel to complete the loading of the base 02. In some embodiments, it can be done once Set up an array of feeding channels, so that one station can complete the feeding of several bases 02, so as to improve the work efficiency.

A shrapnel feeding mechanism 20 of a single-layer tact switch automatic assembly machine is shown in FIG. 10 , the shrapnel feeding mechanism 20 includes a shrapnel pulling mechanism 21 for pulling the material tape, and a shrapnel cutting mechanism for cutting the material tape. A mechanism 22, and a step change mechanism 23 for changing the feeding step of the elastic sheet 01.

A sub-packaging mechanism 200 of a single-layer tact switch automatic assembly machine is shown in FIGS. 11-14 . The sub-packaging mechanism 200 includes a lid feeding mechanism 40 for feeding the lid 04 into the first position of the combination station. , the button feeding mechanism 30 for sending the button 05 into the second position of the combined station, sucking up the cover 04 and the button 05 in the first position and the second position of the combined station respectively, and respectively in the first position of the combined station And in the second position, the cover 04 and the button 05 are sucked up, so that the cover 04 and the button 05 form the second assembly 2 and the second assembly is fed into the reclaiming mechanism of the product slot 1030 of the carrier.

The reclaiming mechanism includes a combined cylinder 70, which has a first combined cylinder 71, a second combined cylinder 72, and a third combined cylinder 73. The driving end of the combined cylinder 70 is provided with a reclaimer 80, such as: As shown in FIG. 3 , FIG. 6 , and FIG. 21 , a removal groove 801 is provided on the reclaimer 80 , a convex column 802 is provided on the removal groove 801 , and the removal groove 801 and the convex column 802 are respectively provided with useful for sucking the air holes 803 of the cover 04 and the button 05; the reclaimer 80 is controlled by the first combined cylinder 71, the second combined cylinder 72 and the third combined cylinder 73, respectively. In some embodiments, the reclaiming Element 80 may be a vacuum tip.

In some embodiments, the cap feeding mechanism 40 includes a cap circular vibrating disc 41, a cap linear feeder 42, a cap linear vibrator 43 and a cap dispensing cylinder 44, the push rod of the cap dispensing cylinder 44 is connected to There is a distribution plate 45. The end of the distribution plate 45 extends upward to form a boss 450. The boss 450 has a distribution slot 4501 connected to the discharge port of the linear feeder 42 of the cover. Under the action of the device, it falls into the material distribution chute 4501, and then the cover 04 is transported to the first position of the combination station by the driving of the cover material distribution cylinder 44, that is: the lower end of the reclaimer 80, and then the cover Under the action of the first combined air cylinder 71, the material removal member 80 moves down, so that the removal groove 801 cooperates with the cover 04, the cover 04 is sucked up, and then the material distribution plate 25 retreats.

In some embodiments, the button feeding mechanism 30 includes a button circular vibration plate 31, a button linear feeder 32, a button linear vibration feeder 33, and a button material distribution cylinder 34; wherein, the process of delivering the button to the combination station The process of conveying the cover 04 is basically the same, and will not be repeated here. When the button 05 is conveyed to the combination station, that is, when the button 05 conveys the lower end of the reclaimer 80, the reclaimer 80 is controlled by the second Combined cylinder 72, driven by the second combined cylinder 72, the protruding column 802 on the reclaimer 80 cooperates with the button 05 to suck the button 05 and remove it to a certain position, so that the cover 04 and the button 05 are combined to form a second The assembly 2 is finally transported to the product slot 1030 of the carrier under the action of the third assembly cylinder 73 to complete the assembly; 401 (see Figures 14 and 15) to extend the reclaim.

A general assembly mechanism 50 of a single-layer tact switch automatic assembly machine is shown in Figures 16-17. The general assembly mechanism 50 is the assembly of the first assembly 1 and the second assembly 2, that is, the cover 04 and the base 02, the assembly mechanism 50 includes a riveting cylinder 51 and a hot-pressing die 52 connected to the output shaft of the riveting cylinder 51. In this process, after the carrier 103 is in place, the riveting cylinder 51 is used to drive it. The hot-pressing die core 52 is lowered for hot-pressing riveting, and finally enters the next station.

A discharging mechanism 60 of a single-layer tact switch automatic assembly machine is shown in Figures 18-20. The discharging mechanism 60 is arranged on the frame 300 and is used to remove the finished tact switch after assembly. The carrier 103, specifically, the discharging mechanism 60 includes a discharging cylinder 61, a movable plate 62 connected with the driving end of the discharging cylinder 61, and the movable plate 62 is provided with a discharging punch 63 and an actuating block 64 , the turntable 101 is provided with a carrier 103 and a discharge port 1010, the carrier 103 is provided with a second movable bearing 104, the second movable bearing 104 passes through the inside of the carrier 103, and has The product in the product tank 1030 is dropped out of the discharge channel of the discharge port 1010; that is, when the carrier 103 reaches the discharge station, the discharge cylinder 61 is activated, and its actuating block 64 pushes the second movable bearing 104 to horizontally displace , so that the discharge channel is in one-to-one correspondence with the product groove 1030 and the discharge port 1010 , and when continuing to push down, the discharge punch 63 pushes the finished product in the product groove 1030 out of the discharge port 1010 .

In some embodiments, the discharge mechanism 60 also has a flow guide mechanism 65 and a collection box 66, the flow guide mechanism 65 is connected to the discharge port 1010, and the collecting and 66 are connected to the flow guide mechanism 65, so that Collect the finished tact switches after assembly.

In some embodiments, the structure of the actuating block 64 is the same as that of the base actuating block 1431 .

Compared with the prior art, the automatic assembly machine of the present application uses a turntable to be divided into two parts for assembly, the utilization rate of each part is high, the assembled product has good stability, high qualification rate, high production efficiency, and is easy to operate. Easy to maintain.

The technical invention is not limited to the above-mentioned embodiments, as long as the solutions mentioned in the specification fall within the protection scope of the present invention.

The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention, and are not intended to limit the present invention. For those skilled in the art to which the present invention pertains, according to the idea of the present invention, several simple deductions, modifications or substitutions can also be made.

Claims (8)

1. The automatic assembling machine is characterized in that the rack is provided with a base feeding mechanism for feeding a base into the carrier, a spring plate feeding mechanism for feeding a spring plate into the carrier, a sub-assembling mechanism for feeding a second combination of a button and a cover into the carrier, and an assembling mechanism for riveting the cover and the base; the base feeding mechanism, the elastic sheet feeding mechanism, the sub-packaging mechanism and the general packaging mechanism are sequentially distributed along the turntable mechanism; the split charging mechanism comprises a cover feeding mechanism for feeding the cover into a first position of the combining station, a button feeding mechanism for feeding the button into a second position of the combining station, and a material taking mechanism for sucking up the cover and the button on the first position and the second position of the combining station respectively to enable the cover and the button to form a second combination and feeding the second combination into the carrier product groove.

2. The automatic single-layer tact switch assembling machine according to claim 1, wherein the base feeding mechanism comprises a base circular vibrating disc, a base linear feeder, a base linear vibrator and a base feeding assembly, the base feeding assembly comprises a receiving plate, a first movable bearing and a base feeding cylinder, a receiving groove is arranged on the receiving plate and is in butt joint with a discharge port of the base linear feeder, the receiving groove is provided with a through product falling hole towards the direction of the product groove, the first movable bearing is positioned between the product falling hole and the product groove and is provided with a product falling channel for allowing a product in the product falling hole to fall into the product groove; and the movable end of the base feeding cylinder is provided with a base actuator for driving the first movable bearing to move, so that the product falling channels correspond to the product falling holes and the product grooves one to one.

3. The automatic assembling machine for single-layer tact switches according to claim 1, wherein the spring plate feeding mechanism comprises a spring plate pulling mechanism for pulling the material belt, a spring plate cutting mechanism for cutting the material belt, and a step changing mechanism for changing a feeding step of the spring plate.

4. The automatic assembling machine for single-layer tact switch according to claim 1,

a cover distributing cylinder is arranged on a discharge port of the cover feeding mechanism and used for feeding a cover at the discharge port to a first position of a combination station;

a button distributing cylinder is arranged on a discharge hole of the button feeding mechanism and used for feeding buttons at the discharge hole to a second position of the combined station;

the material taking mechanism comprises a combined cylinder and a material taking part, and the combined cylinder is provided with a first combined cylinder, a second combined cylinder and a third combined cylinder;

wherein, a moving groove is arranged on the material taking part, a convex column is arranged on the moving groove, and air holes for sucking the cover and the button are respectively arranged on the moving groove and the convex column; the material taking component is respectively controlled by a first combination cylinder, a second combination cylinder and a third combination cylinder, and under the action of the first combination cylinder, the moving groove is matched with a cover on a combination station and sucks the cover; under the action of the second combined cylinder, the convex column is matched with the button, sucks the button, and forms a combined body with the cover and the button; and under the action of the third combined cylinder, moving the combined body to a carrier product tank.

5. The automatic assembling machine for the single-layer tact switch according to claim 4, wherein said cap feeding mechanism comprises a cap circular vibrating plate, a cap linear feeder, a cap linear vibrator; the button feeding mechanism comprises a button round vibrating disc, a button linear feeder and a button linear vibrator; the cover linear feeder and the button linear feeder are provided with four groups of feeding grooves.

6. The automatic assembling machine for single-layer tact switches according to claim 1, wherein said frame further comprises a discharging mechanism for removing the finished tact switches from the carrier.

7. The automatic assembling machine for the single-layer tact switch according to claim 6, wherein the discharging mechanism comprises a discharging cylinder and a movable plate connected with a driving end of the discharging cylinder, a discharging punch and an actuating block are arranged on the movable plate, the turntable mechanism comprises a turntable and a fixed seat arranged in the middle of the turntable, a carrier and a discharging opening are arranged on the turntable, a second movable bearing is arranged on the carrier, the second movable bearing penetrates through the carrier, and a discharging channel for discharging the product in the product tank out of the discharging opening is formed; the movable plate is provided with an actuating block for driving the second movable bearing to move and a discharging punch for conveying the product out of the product groove from the discharge hole, and the actuating block is driven by the discharging cylinder to enable the discharging channel to be in one-to-one correspondence with the product groove and the discharge hole.

8. The automatic assembling machine for single-layer tact switches according to claim 7, wherein said movable plate is provided with a mounting groove, and said actuating block is detachably disposed in said mounting groove.

Images