A raw material wire feeding device for a test lens handle pressing machine

Abstract

The present invention relates to a raw material wire feeding device for a trial lens handle press, comprising a straightening mechanism, a step feeding mechanism and a rotary discharge mechanism arranged in sequence and cooperating with a feed port of the trial lens handle press, and a material receiving and centering mechanism is provided between the step feeding mechanism and the rotary discharge mechanism. The present invention realizes orderly intermittent conveying of raw material wire through the cooperation of the step feeding mechanism and the rotary discharge mechanism; realizes a stable step length with adjustable conveying spacing through the cooperation of the spacing between the upper contact electrode rod A and the lower contact electrode rod B and the step length adjustment mechanism; ensures the unidirectional conveying of raw material wire through the cooperation of the front pressing mechanism and the rear step feeding mechanism during the transportation process; and realizes the control of the discharge length of raw material wire through the design of the control circuit and the control of the start and stop of the motor.

Description

Technical Field

[0001] The invention relates to a feeding mechanism, in particular to a raw material wire feeding device of a trial lens handle pressing machine. Background Art

[0002] The traditional trial lens handle pressing machine does not have a professional feeding device. The mechanization and automation of the material conveying system is an indispensable part of the development of the times.

[0003] At present, many companies continue to use manual feeding in their production and manufacturing methods, and some companies use gear feeders. However, gear feeders have a complex structure, and the gears are prone to wear after long-term operation, resulting in uneven operation. Summary of the invention

[0004] The technical problem to be solved by the present invention is to provide a raw material wire feeding device for a trial lens handle pressing machine with high automation, convenient adjustment and strong reliability in view of the deficiencies in the prior art.

[0005] The technical problem to be solved by the present invention is achieved through the following technical solution. The present invention is a raw material wire feeding device for a trial lens handle molding machine.

[0006] Its features are:

[0007] The invention comprises a straightening mechanism, a stepping feeding mechanism and a rotating material discharging mechanism which are arranged in sequence and matched with the feeding port of the trial lens handle press machine, and a material receiving and centering mechanism is arranged between the stepping feeding mechanism and the rotating material discharging mechanism.

[0008] The step-by-step feeding mechanism comprises a front pressing mechanism and a rear step-by-step feeding mechanism, and the rear step-by-step feeding mechanism is provided with a rear pressing mechanism corresponding to the front pressing mechanism.

[0009] The material receiving and centering mechanism comprises two centering guide wheels arranged opposite to the material feeding port, the rotating shafts of the centering guide wheels are arranged vertically, and a material passing gap for the raw material wire is arranged between the two centering guide wheels.

[0010] A straight line feed is formed between the material gap and the feed port of the trial lens handle press, and a material receiving mechanism is provided on the feed side of the centering guide wheel.

[0011] The rotary material discharging mechanism is provided with a rotary material discharging tray driven by a motor, and the rotary material discharging tray is provided with a horizontal rotating shaft, and the rotating shaft is connected to the motor through a transmission mechanism.

[0012] There are relays for controlling the start and stop of the motor and a control circuit for controlling the relay to be attracted. The control circuit is equipped with a control switch for controlling the intermittent discharge of the rotating discharge tray.

[0013] The control switch includes a contact positioning mechanism arranged between the rotating material discharging plate and the material receiving mechanism, the contact positioning mechanism is provided with an upper contact electrode rod A and a lower contact electrode rod B, the upper contact electrode rod A and the lower contact electrode rod B are arranged horizontally and in parallel upward and downward, the raw material wire passes between the upper contact electrode rod A and the lower contact electrode rod B, and a closed circuit of the control relay is formed by the contact between the raw material wire and the upper contact electrode rod A or the lower contact electrode rod B;

[0014] Step-by-step unloading process: pull the raw wire, tighten and lift the raw wire to contact with the upper contact electrode rod A, turn on the relay, unload the material, and under the action of gravity, the raw wire leaves the upper contact electrode rod A and falls onto the lower contact electrode rod B. When it contacts with the lower contact electrode rod B, the motor is controlled by the relay to stop unloading.

[0015] The technical problem to be solved by the present invention can also be further achieved by the following technical solution: the rear step feeding mechanism is provided with a slide rail parallel to the center line of the linear feeding, a slider is installed on the slide rail, and a rear clamping mechanism is provided on the slider.

[0016] The technical problem to be solved by the present invention can also be further achieved by the following technical solution: the rear step feeding mechanism also includes a step length adjustment mechanism arranged between the material receiving and centering mechanism and the slider.

[0017] The technical problem to be solved by the present invention can also be further achieved by the following technology: the material receiving mechanism includes a horizontal lower material receiving roller and an upper limit roller, the lower material receiving roller and the upper limit roller are arranged in parallel, and the guide surface of the lower material receiving roller is flush with the material passing gap.

[0018] The technical problem to be solved by the present invention can also be further achieved through the following technology: the material receiving and centering mechanism includes a fixed frame, on which an adjustment groove perpendicular to the center line of the linear feed is opened, and the rotating shaft of the centering guide wheel is adjustably mounted on the adjustment groove.

[0019] The technical problem to be solved by the present invention can also be further achieved by the following technology: the centering guide wheel is set as a V-groove wheel.

[0020] The technical problem to be solved by the present invention can also be further achieved through the following technology: the rotating material discharge tray includes an inner turntable fixedly mounted on the rotating shaft and an outer turntable detachably mounted on the rotating shaft, and a supporting mechanism matching the inner diameter of the material tray is mounted on the inner turntable, and the supporting mechanism includes at least three support rods parallel to the rotating shaft and evenly distributed around the rotating shaft with the rotating shaft as the center, and the support rods are fixed to the inner turntable through a radial adjustment mechanism, and the outer turntable is provided with a radial adjustment hole corresponding to the radial adjustment mechanism of the inner turntable for the support rods to pass through.

[0021] The technical problem to be solved by the present invention can also be further achieved by the following technology: the front clamping mechanism includes a base, above the base is provided with a pressing plate for clamping the raw wire when the rear step feeding mechanism is reset to prevent the raw wire from being driven back, and inside the base is provided a cylinder I in the vertical direction for lifting the pressing plate which cooperates with both ends of the pressing plate.

[0022] The technical problem to be solved by the present invention can also be further achieved by the following technology: the rear clamping mechanism includes a top plate fixedly arranged on the top of the slider, an extrusion plate for cooperating with the top plate to compress the raw material is provided on the slider, and a cylinder II for lifting the extrusion plate in the vertical direction is installed in the slider.

[0023] The technical problem to be solved by the present invention can also be further achieved through the following technology. The stepping feeding mechanism includes a driving mechanism arranged between the front clamping mechanism and the rear stepping feeding mechanism for driving the rear stepping feeding mechanism to feed the material. The driving mechanism is a cylinder III arranged horizontally along the feeding direction inside the base, and the cylinder III is fixedly connected to the slider.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] (i) The cooperation of the stepping feeding mechanism and the rotating unloading mechanism realizes the orderly and intermittent delivery of the raw silk.

[0026] (ii) The coordination of the spacing between the upper contact electrode rod A and the lower contact electrode rod B and the step length adjustment mechanism realizes a stable step length with adjustable conveying spacing.

[0027] (III) During the transportation process, the cooperation between the front clamping mechanism and the rear stepping feeding mechanism ensures the unidirectional transportation of the raw material wire.

[0028] (IV) The design of the control circuit realizes the control of the raw material wire feeding length by controlling the start and stop of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the structure of the present invention;

[0030] Figure 2 It is a schematic diagram of the structure of the stepping feeding mechanism;

[0031] Figure 3 It is a cross-sectional view of the stepping feeding mechanism;

[0032] Figure 4 It is a top view of the stepping feeding mechanism;

[0033] Figure 5 It is a schematic diagram of the structure of the rotary unloading mechanism;

[0034] Figure 6 It is the control circuit diagram;

[0035] Figure 7 This is a schematic diagram of the straightening mechanism structure;

[0036] In the figure: straightening mechanism 1, stepping feeding mechanism 2, rotating unloading mechanism 3, base 201, pressing plate 202, top plate 203, slider 204, centering guide wheel 205, upper limit roller 206, lower receiving roller 207, fixing frame 208, adjusting groove 209, slide rail 210, air inlet 211, cylinder III 212, rear stepping feeding mechanism 213, cylinder II 214, cylinder I 215, upper contact electrode rod A 301, lower contact electrode rod B 302, raw wire 303, motor 304, baffle 305, adjusting plate 306, radial adjusting mechanism 307, rotating shaft 308, radial adjusting hole 309, support rod 310, relay 601, control circuit 602. DETAILED DESCRIPTION

[0037] The specific technical solutions of the present invention are further described below to help those skilled in the art further understand the present invention without limiting the rights thereof.

[0038] Embodiment 1,

[0039] A raw material wire feeding device for a trial lens handle molding machine comprises a straightening mechanism 1, a stepping feeding mechanism 2 and a rotating discharge mechanism 3 which are arranged in sequence and matched with a feeding port of the trial lens handle molding machine, and a material receiving and centering mechanism is provided between the stepping feeding mechanism 2 and the rotating discharge mechanism 3.

[0040] The step-feeding mechanism 2 comprises a front pressing mechanism and a rear step-feeding mechanism 213 , and the rear step-feeding mechanism 213 is provided with a rear pressing mechanism corresponding to the front pressing mechanism.

[0041] The material receiving and centering mechanism comprises two centering guide wheels 205 arranged opposite to the feed port, the rotating shaft of the centering guide wheel 205 is arranged vertically, and a material passing gap for the raw material wire 303 is arranged between the two centering guide wheels 205. A linear material feeding is formed between the material passing gap and the feed port of the trial lens handle press, and a material receiving mechanism is arranged on the feed side of the centering guide wheel 205.

[0042] The rotary material discharging mechanism 3 is provided with a rotary material discharging tray driven by a motor 304, and the rotary material discharging tray is provided with a horizontal rotating shaft 308, and the rotating shaft 308 is connected to the motor 304 through a transmission mechanism. A relay for controlling the start and stop of the motor 304 and a control circuit for controlling the relay to be attracted are provided, and the control circuit is provided with a control switch for controlling the intermittent material discharging of the rotary material discharging tray.

[0043] The control switch includes a contact positioning mechanism arranged between the rotating discharge tray and the material receiving mechanism, the contact positioning mechanism is provided with an upper contact electrode rod A301 and a lower contact electrode rod B302, the upper contact electrode rod A301 and the lower contact electrode rod B302 are arranged horizontally and parallel to each other upward and downward, the raw wire 303 passes between the upper contact electrode rod A301 and the lower contact electrode rod B302, and a closed circuit of the control relay is formed through the contact between the raw wire 303 and the upper contact electrode rod A301 or the lower contact electrode rod B302; the upper contact electrode rod A301 corresponds to KA1 in the control circuit, and the lower contact electrode rod B302 corresponds to KA2 in the control circuit.

[0044] Step-by-step unloading process: pull the raw material wire 303, tighten and lift the raw material wire 303 to contact the upper contact electrode rod A, turn on the relay, unload the material, and under the action of gravity, the raw material wire 303 leaves the upper contact electrode rod A and falls onto the lower contact electrode rod B. When it contacts the lower contact electrode rod B, the motor 304 is controlled by the relay to stop unloading.

[0045] The rear step-feeding mechanism 213 is provided with a slide rail 210 parallel to the center line of the linear feed, a slider 204 is mounted on the slide rail 210 , and a rear clamping mechanism is provided on the slider 204 .

[0046] The rear step feeding mechanism 213 also includes a step length adjustment mechanism disposed between the material receiving centering mechanism and the slider 204. The step length adjustment mechanism includes a bolt passing through the fixing frame 208 toward the slider 204, and a nut matching the bolt is fixed on the side of the fixing frame 208 away from the slider 204.

[0047] The material receiving mechanism comprises a horizontal lower material receiving roller 207 and an upper limit roller 206. The lower material receiving roller 207 and the upper limit roller 206 are arranged in parallel, and the introduction surface of the lower material receiving roller 207 is flush with the material passing gap.

[0048] The material receiving and centering mechanism comprises a fixed frame 208 , on which an adjustment slot 209 perpendicular to the center line of the linear feeding is provided, and the rotating shaft of the centering guide wheel 205 is adjustably mounted on the adjustment slot 209 .

[0049] The centering guide wheel 205 is configured as a V-groove wheel.

[0050] The rotating material discharging tray comprises an inner rotating disk fixedly mounted on the rotating shaft 308 and an outer rotating disk detachably mounted on the rotating shaft 308. A supporting mechanism matching the inner diameter of the material tray is mounted on the inner rotating disk. The supporting mechanism comprises at least three support rods 310 parallel to the rotating shaft and uniformly distributed around the rotating shaft with the rotating shaft as the center. The support rods 310 are fixed to the inner rotating disk through radial adjustment mechanisms 307. The outer rotating disk is provided with radial adjustment holes 309 corresponding to the radial adjustment mechanisms 307 of the inner rotating disk for the support rods 310 to pass through. The inner rotating disk and the outer rotating disk comprise a plurality of radial adjustment plates 306 correspondingly arranged inside and outside. An adjustable baffle 305 is mounted on the adjustment plate of the inner rotating disk through the radial adjustment mechanism 307, and an adjustable baffle is mounted on the adjustment plate of the outer rotating disk through the radial adjustment holes 309.

[0051] The front pressing mechanism includes a base 201, above which is provided a pressing plate 202 for pressing the raw wire 303 when the rear step feeding mechanism 213 is reset to prevent the raw wire 303 from being driven back, and inside the base 201 is provided a cylinder Ⅰ215 in the vertical direction for lifting the pressing plate 202 which cooperates with both ends of the pressing plate 202, and the base is provided with an air inlet 211 for supplying air to the cylinder.

[0052] The rear pressing mechanism includes a top plate 203 fixedly arranged on the top of the slider 204, on which is provided an extrusion plate for cooperating with the top plate 203 to press the raw material, and inside the slider 204 is a cylinder II 214 for lifting the extrusion plate 202 in the vertical direction.

[0053] The step feeding mechanism 2 includes a driving mechanism arranged between the front clamping mechanism and the rear step feeding mechanism 213 for driving the rear step feeding mechanism 213 to feed materials. The driving mechanism is a cylinder III 212 arranged horizontally along the feeding direction inside the base 201, and the cylinder III 212 is fixedly connected to the slider 204.

Claims

1. A raw material wire feeding device for a trial lens handle molding machine, characterized in that: The invention comprises a straightening mechanism, a stepping feeding mechanism and a rotating material discharging mechanism which are arranged in sequence and matched with the feeding port of the trial lens handle press machine, and a material receiving and centering mechanism is arranged between the stepping feeding mechanism and the rotating material discharging mechanism. The step-by-step feeding mechanism comprises a front pressing mechanism and a rear step-by-step feeding mechanism, and the rear step-by-step feeding mechanism is provided with a rear pressing mechanism corresponding to the front pressing mechanism. The material receiving and centering mechanism comprises two centering guide wheels arranged opposite to the material feeding port, the rotating shafts of the centering guide wheels are arranged vertically, and a material passing gap for the raw material wire is arranged between the two centering guide wheels. A straight line feed is formed between the material gap and the feed port of the trial lens handle press, and a material receiving mechanism is provided on the feed side of the centering guide wheel. The rotary material discharging mechanism is provided with a rotary material discharging tray driven by a motor, and the rotary material discharging tray is provided with a horizontal rotating shaft, and the rotating shaft is connected to the motor through a transmission mechanism. There are relays for controlling the start and stop of the motor and a control circuit for controlling the relay to be attracted. The control circuit is equipped with a control switch for controlling the intermittent discharge of the rotating discharge tray. The control switch includes a contact positioning mechanism arranged between the rotating material discharging plate and the material receiving mechanism, the contact positioning mechanism is provided with an upper contact electrode rod A and a lower contact electrode rod B, the upper contact electrode rod A and the lower contact electrode rod B are arranged horizontally and in parallel upward and downward, the raw material wire passes between the upper contact electrode rod A and the lower contact electrode rod B, and a closed circuit of the control relay is formed by the contact between the raw material wire and the upper contact electrode rod A or the lower contact electrode rod B; Step-by-step unloading process: pull the raw wire, tighten and lift the raw wire to contact with the upper contact electrode rod A, turn on the relay, unload the material, and under the action of gravity, the raw wire leaves the upper contact electrode rod A and falls onto the lower contact electrode rod B. When it contacts with the lower contact electrode rod B, the motor is controlled by the relay to stop unloading.

2. The raw material wire feeding device of the trial lens handle pressing machine according to claim 1, characterized in that: The rear stepping feeding mechanism is provided with a slide rail parallel to the center line of the linear feeding, a slide block is arranged on the slide rail, and a rear clamping mechanism is arranged on the slide block.

3. The raw material wire feeding device of the trial lens handle pressing machine according to claim 2, characterized in that: The rear step-feeding mechanism also includes a step length adjustment mechanism arranged between the material receiving and centering mechanism and the slide block.

4. The raw material wire feeding device of the trial lens handle molding machine according to claim 1, characterized in that: The material receiving mechanism comprises a horizontal lower material receiving roller and an upper limit roller, the lower material receiving roller and the upper limit roller are arranged in parallel, and the introduction surface of the lower material receiving roller is flush with the material passing gap.

5. The raw material wire feeding device of the trial lens handle molding machine according to claim 1, characterized in that: The material receiving and centering mechanism comprises a fixed frame, on which an adjustment groove perpendicular to the center line of the linear feeding is opened, and the rotating shaft of the centering guide wheel is adjustably mounted on the adjustment groove.

6. The raw material wire feeding device of the trial lens handle pressing machine according to claim 1, characterized in that: The centering guide wheel is arranged as a V-groove wheel.

7. The raw material wire feeding device of the trial lens handle molding machine according to claim 1, characterized in that: The rotating material discharge tray includes an inner turntable fixedly mounted on the rotating shaft and an outer turntable detachably mounted on the rotating shaft. A supporting mechanism matching the inner diameter of the material tray is mounted on the inner turntable. The supporting mechanism includes at least three support rods parallel to the rotating shaft and evenly distributed around the rotating shaft with the rotating shaft as the center. The support rods are fixed to the inner turntable through a radial adjustment mechanism. The outer turntable is provided with a radial adjustment hole corresponding to the radial adjustment mechanism of the inner turntable for the support rods to pass through.

8. The raw material wire feeding device of the trial lens handle pressing machine according to claim 1, characterized in that: The front clamping mechanism includes a base, above which is provided a pressing plate for clamping the raw wire when the rear stepping feeding mechanism is reset to prevent the raw wire from being driven back, and inside the base is provided a cylinder I for lifting the pressing plate in the vertical direction which cooperates with both ends of the pressing plate.

9. The raw material wire feeding device of the trial lens handle pressing machine according to claim 2, characterized in that: The rear pressing mechanism comprises a top plate fixedly arranged on the top of the slide block, a pressing plate for cooperating with the top plate to press the raw material is arranged on the slide block, and a cylinder II for lifting the pressing plate in the vertical direction is installed in the slide block.

10. The raw material wire feeding device of the trial lens handle pressing machine according to claim 8 or 9, characterized in that: The step feeding mechanism includes a driving mechanism arranged between the front clamping mechanism and the rear step feeding mechanism to drive the rear step feeding mechanism to feed the material. The driving mechanism is a cylinder III arranged horizontally inside the base along the feeding direction, and the cylinder III is fixedly connected to the slider.

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