Automatic punching machine for burrs in injection molding part hole and production line

Abstract

The utility model provides an automatic punching machine for burrs in injection molding part holes and a production line. The automatic punching machine for burrs in injection molding part holes comprises a vibration disc; a material inlet of the material storage channel is in butt joint with a material outlet of the vibration disc; a feeding channel; the transferring mechanism comprises a material transferring tail end and a first driving unit used for driving the material transferring tail end to move between the discharging port of the material storage channel and the feeding port of the feeding channel. The feeding mechanism comprises a shifting tail end and a second driving unit which is used for driving the shifting tail end to shift the injection molded part into the feeding channel from the moving tail end and shift the injection molded part to the first deburring mechanism; and the first deburring mechanism is arranged at the feeding channel and comprises a third driving unit and a first grinding tool assembly, and the third driving unit is used for driving the first grinding tool assembly to move towards the injection molding part on the feeding channel. The production line is provided with the automatic punching machine for the burrs in the holes of the injection molding parts, and the automatic punching machine for the burrs in the holes of the injection molding parts can improve the deburring efficiency, ensure the consistency of machined products and reduce the labor cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical equipment technical field, concretely relates to a kind of automatic punching machine and production line of burr in hole of injection molding part. BACKGROUND

[0002] During the forming process of injection molding part, burr defects inevitably exist in product surface and internal hole features due to mold structure limitation and injection molding process characteristics, so burr removal treatment is needed after the forming of injection molding part, and the main treatment means at present is mainly manual polishing by manual tool holding. During specific operation, operator needs to process each hole position in turn, and due to the difference of the geometric shape of each hole on part of injection molding part (such as round hole, square hole, special-shaped hole etc.), the burr removal treatment of the hole of this kind of injection molding part needs to frequently change adaptive tool.

[0003] The conventional means of burr removal treatment of the hole of injection molding part has the following defects:

[0004] First, the operation process of processing hole by hole leads to low processing efficiency and long single-piece processing time.

[0005] Second, tool switching process increases operation complexity, and requires higher skill proficiency of operator.

[0006] Third, manual operation is influenced by subjective factors such as fatigue degree and attention, so it is difficult to ensure the consistency of treatment effect, and product quality is difficult to control.

[0007] Fourth, labor-intensive operation mode leads to high production cost.

[0008] Fifth, the pollution of debris, noise etc. produced in manual polishing process affects the health of operator. SUMMARY

[0009] In order to solve the above problems, the first object of the utility model is to provide an automatic punching machine of burr in hole of injection molding part, which can improve burr removal efficiency, ensure the consistency of processed product and reduce labor cost.

[0010] The second object of the utility model is to provide a production line provided with the above automatic punching machine of burr in hole of injection molding part.

[0011] In order to realize the first purpose of the utility model, the utility model provides a kind of automatic punching machine of burr in hole of injection molding part, it including vibrating disk, storage passage, feed passage, transfer mechanism, feeding mechanism and first deburring mechanism;The feed inlet of storage passage is docked with the discharge port of vibrating disk;Transfer mechanism includes first drive unit and material moving end, and first drive unit is used to drive material moving end to move between the discharge port of storage passage and the feed inlet of feed passage;Feeding mechanism includes second drive unit and material poking end, and second drive unit is used to drive material poking end to poke injection molding part from material moving end into feed passage and to poke to first deburring mechanism;First deburring mechanism is located at feed passage, and first deburring mechanism includes third drive unit and first grinding tool assembly, and third drive unit is used to drive first grinding tool assembly to move towards injection molding part on feed passage.

[0012] It can be seen that by the design of the automatic punching machine of burr in hole of injection molding part, automatic feeding, automatic deburring in hole and orifice, automatic unloading and the like of injection molding part can be realized, the efficiency of deburring in hole and orifice of product can be improved, the consistency of product can be guaranteed, the skill requirement of operator is low, the influence on physical health of operator in processing process is reduced, the labor cost is reduced, and the production efficiency is improved.

[0013] Further, the automatic punching machine of burr in hole of injection molding part further includes second deburring mechanism located at feed passage, and second deburring mechanism is located at downstream end of first deburring mechanism along material moving direction of feeding mechanism, and second deburring mechanism includes second grinding tool assembly and fourth drive unit, and feeding mechanism is further used to poke injection molding part from first deburring mechanism to second grinding tool assembly, and fourth drive unit is used to drive second grinding tool assembly to move towards injection molding part.

[0014] It can be seen that by adding second deburring mechanism, second deburring mechanism can further deburr in hole and orifice of injection molding part (improve product precision), or deburr another hole or hole group in different regions of injection molding part, improve the practicability of the automatic punching machine of burr in hole of injection molding part and the processing efficiency of injection molding part.

[0015] Further, material moving end, first deburring mechanism and second deburring mechanism are distributed at equal intervals;First grinding tool assembly includes two or more first deburring cutters, and two or more first deburring cutters are same or different in model;Second grinding tool assembly includes two or more second deburring cutters, and two or more second deburring cutters are same or different in model.

[0016] It can be seen that the design can enable the feeding mechanism to synchronously move the injection molded part at the material moving end to the first deburring mechanism, move the injection molded part at the first deburring mechanism to the second deburring mechanism, and move the injection molded part at the second deburring mechanism to the set position, thereby simplifying the structure of the feeding mechanism and improving the production efficiency.

[0017] Further, the feeding channel comprises a body and two or more compression assemblies distributed at equal intervals, the body has a guide groove and a clearance groove, the injection molded part can slide in the guide groove, the clearance groove is located at the bottom of the guide groove and penetrates the body in the height direction of the injection molded part hole automatic burr punching machine, part of the material moving end passes through the clearance groove and extends into the guide groove, the body is provided with a insertion slot at the first deburring mechanism and the second deburring mechanism, the insertion slot is perpendicular to the material moving direction, the compression assembly comprises an insertion block and a first elastic member, the insertion block is slidingly installed in the insertion slot, and the first elastic member forces the insertion block to move into the guide groove.

[0018] It can be seen that the design helps to ensure that the injection molded part is reliably fixed in the feeding channel when the first deburring mechanism and the second deburring mechanism deburr the injection molded part, ensures the machining accuracy of the injection molded part by the first deburring mechanism and the second deburring mechanism, and prevents the first abrasive tool assembly and / or the second abrasive tool assembly from damaging the surface of the injection molded part due to the inability to accurately insert into the hole or hole group of the injection molded part.

[0019] Further, there is a height difference between the discharge port of the storage channel and the feeding port of the feeding channel, the first driving unit comprises a first guide rail, a first sliding block and a first driving assembly, the first guide rail is parallel to the height direction of the injection molded part hole automatic burr punching machine, the first sliding block is slidingly connected with the first guide rail, the material moving end is installed on the first sliding block, the material moving end has a material clamping groove, the material clamping groove penetrates the material moving end in the material moving direction of the feeding mechanism, and the first driving assembly is used to drive the first sliding block to slide so that the material clamping groove is in butt joint with the discharge port of the storage channel or the material clamping groove is in butt joint with the feeding port of the feeding channel.

[0020] It can be seen that the design enables the injection molded parts in the storage channel to be moved into the feeding channel one by one and at equal intervals under the cooperation of the transfer mechanism and the feeding mechanism, thereby ensuring the machining position and machining accuracy of the injection molded parts.

[0021] Further, when the material clamping groove is in butt joint with the feeding port of the feeding channel, the material moving end blocks the discharge port of the storage channel; and / or the transfer mechanism further comprises a detection sensor, a detection end of the detection sensor is arranged in the height direction and faces the material clamping groove, the detection sensor is used to detect whether there is an injection molded part in the material clamping groove, and the detection sensor is a proximity switch or an infrared sensor.

[0022] It can be seen that the detection sensor can ensure that the injection molding part is moved to the designated processing position after being moved to the designated position in the material clamping groove, and the material moving end moves reliably.

[0023] Further, the second driving unit comprises a second guide rail, a sliding seat and a second driving assembly, the second guide rail is parallel to the material moving direction of the feeding mechanism, the sliding seat is in sliding connection with the second guide rail, the material pushing end is installed on the sliding seat, and the second driving assembly is used for driving the sliding seat to slide along the second guide rail.

[0024] It can be seen that the design enables the material pushing end to move the injection molding part smoothly and ensures that the injection molding part is accurately moved to the designated processing position.

[0025] Further, the number of the material pushing ends is two or more, and the two or more material pushing ends are distributed at equal intervals, the material pushing end comprises a connecting seat, a pushing block and a second elastic piece, the connecting seat is installed on the sliding seat, the pushing block is in rotary connection with the connecting seat at one end close to the material moving end, the pushing block has an inclined top surface and an abutting surface, the abutting surface is used for pushing the injection molding part, the second elastic piece forces the pushing block to rotate towards the injection molding part, and the second elastic piece is compressed and stored when the inclined top surface abuts against the injection molding part.

[0026] It can be seen that the design enables the feeding mechanism to simultaneously move two or more injection molding parts, thereby improving the processing efficiency of the injection molding part hole burr automatic punching machine; and through the structural design of the material pushing end, the movement of the material pushing end is not blocked by the injection molding part when the feeding mechanism is reset to prepare for the next feeding, thereby ensuring that the feeding mechanism can be reset smoothly.

[0027] Further, the feeding channel is provided with a material falling groove at the first grinding tool assembly, the material falling groove penetrates the feeding channel in the height direction of the injection molding part hole burr automatic punching machine; the injection molding part hole burr automatic punching machine further comprises a material falling channel, a scrap collecting channel and a scrap collecting box, the material falling channel is located at the downstream end of the feeding channel along the material moving direction of the feeding mechanism, the scrap collecting channel is located below the feeding channel and communicates with the material falling groove, and the scrap collecting box is arranged at the discharge port of the scrap collecting channel.

[0028] It can be seen that the material falling groove can guide the processed injection molding part to be unloaded, so that the processed injection molding part is recycled to a designated position or directly moved to a next device for subsequent processing; and through the cooperative design of the feeding channel, the scrap collecting channel and the scrap collecting box, the scraps generated in the deburring process can be recycled, so as to avoid the scraps from scattering around and polluting the surrounding environment.

[0029] In order to achieve the second purpose of the utility model, the utility model provides a production line, wherein, the production line comprises the injection molding part hole burr automatic punching machine.

[0030] It can be seen that the production line provided with the automatic punching machine for inner hole burrs of injection molding parts can improve product production quality and product consistency, and can improve production efficiency and reduce labor cost. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 is a structural diagram of an embodiment of the automatic punching machine for inner hole burrs of injection molding parts.

[0032] Figure 2 is a structural diagram of the automatic punching machine for inner hole burrs of injection molding parts after omitting part of components.

[0033] Figure 3 is a structural diagram of the feeding channel of the automatic punching machine for inner hole burrs of injection molding parts.

[0034] Figure 4 is a structural diagram of the transfer mechanism of the automatic punching machine for inner hole burrs of injection molding parts.

[0035] Figure 5 is a structural diagram of the automatic punching machine for inner hole burrs of injection molding parts after omitting part of components.

[0036] Figure 6 is a structural diagram of the feeding mechanism of the automatic punching machine for inner hole burrs of injection molding parts after omitting part of components.

[0037] Figure 7 is a structural diagram of the material pushing end of the automatic punching machine for inner hole burrs of injection molding parts.

[0038] Figure 8 is a structural diagram of the automatic punching machine for inner hole burrs of injection molding parts after omitting part of components.

[0039] The utility model will be further described below in combination with the drawings and embodiments. DETAILED DESCRIPTION

[0040] Embodiment of the automatic punching machine for inner hole burrs of injection molding parts

[0041] Referring to Figure 1 , the automatic punching machine for inner hole burrs of injection molding parts 100 comprises a rack 1, a vibration disc 2, a storage channel 3, a feeding channel 4, a transfer mechanism 5, a feeding mechanism 6, a first deburring mechanism 7, a second deburring mechanism 8, a material falling channel 91, a scrap collecting channel 92, a scrap collecting box 93 and a control unit 94.

[0042] The vibration disc 2 is installed on the rack 1 and electrically connected with the control unit 94, and the vibration disc 2 stores the injection molding part 10, so that the vibration disc 2 can orient and sort the injection molding part 10 and automatically feed the injection molding part 10.

[0043] The discharge port of the vibration disc 2 is connected with the feeding port of the storage channel 3, so that the oriented and sorted injection molded part 10 can be sent into the storage channel 3 for temporary storage; the storage channel 3 is matched with the vibration disc 2 and can move the injection molded part 10 to the transfer mechanism 5 one by one. Wherein, the discharge port of the storage channel 3 is provided with an avoiding groove 31 which penetrates the storage channel 3 in the height direction Z of the injection molded part hole.

[0044] In combination Figure 2 The storage channel 3 and the feeding channel 4 are connected through the transfer mechanism 5, so that the injection molded part 10 in the storage channel 3 can be transferred to the feeding port of the feeding channel 4 under the action of the vibration disc 2 and the transfer mechanism 5. Along the material feeding direction X of the feeding mechanism 6, the feeding channel 4 is located at the downstream end of the storage channel 3; preferably, there is a height difference between the discharge port of the storage channel 3 and the feeding port of the feeding channel 4 in the height direction Z, and the feeding channel 4 is located below the side of the storage channel 3.

[0045] In combination Figure 3 The feeding channel 4 comprises a body 41, the body 41 has a guide groove 411 and an avoiding groove 412, wherein the guide groove 411 is used for guiding and limiting the injection molded part 10 entering it, so that the injection molded part 10 can move in a set direction, the avoiding groove 412 is located at the bottom of the guide groove 411, and the avoiding groove 412 penetrates the body 41 in the height direction Z; in addition, the guide groove 411 and the avoiding groove 412 both penetrate the body 41 in the material feeding direction X.

[0046] The first deburring mechanism 7 and the second deburring mechanism 8 are both arranged at the feeding channel 4, and in this embodiment, along the material feeding direction X of the feeding mechanism 6, the second deburring mechanism 8 is located at the downstream end of the first deburring mechanism 7. The second deburring mechanism 8 is additionally arranged, so that the second deburring mechanism 8 can further deburr the hole and the hole opening of the injection molded part 10 (improve product accuracy), or deburr another hole or hole group in different regions of the injection molded part 10, thereby improving the practicability of the injection molded part hole deburring automatic punching machine 100 and the processing efficiency of the injection molded part 10. It can be understood that in some embodiments, only one deburring mechanism, such as the first deburring mechanism 7, can be arranged.

[0047] Wherein, along the material feeding direction X, the material feeding end 52, the first deburring mechanism 7 and the second deburring mechanism 8 are distributed at equal intervals, which can make the feeding mechanism 6 simultaneously move the injection molded part 10 at the material feeding end 52 to the first deburring mechanism 7, move the injection molded part 10 at the first deburring mechanism 7 to the second deburring mechanism 8, and move the injection molded part 10 at the second deburring mechanism 8 to a set position, thereby simplifying the structure of the feeding mechanism 6 and improving the production efficiency.

[0048] The feeding channel 4 further comprises two or more pressing assemblies 42 distributed at equal intervals, wherein the number of the pressing assemblies 42 is equal to the number of the deburring mechanisms, and in the embodiment, the number of the pressing assemblies 42 is two, and one pressing assembly 42 is arranged at one deburring mechanism. The body 41 is provided with a slot at each deburring mechanism, that is, in the embodiment, the body 41 is provided with a slot at the first deburring mechanism 7 and the second deburring mechanism 8, the slot is communicated with the guide groove 411, and the slot and the height direction Z and the material moving direction X are perpendicular to each other; the pressing assembly 42 comprises an insertion block 421 and a first elastic member, the insertion block 421 is slidingly installed in the slot, and the first elastic member is used to force the insertion block 421 to move into the guide groove 411 to clamp and fix the injection molded part 10 moving to the deburring mechanism by the body 41. It can be seen that the design of the pressing assembly 42 helps to ensure that the injection molded part 10 is reliably fixed in the feeding channel 4 when the first deburring mechanism 7 and the second deburring mechanism 8 perform deburring treatment on the injection molded part 10, ensures the machining precision of the first deburring mechanism 7 and the second deburring mechanism 8 on the injection molded part 10, prevents the first abrasive tool assembly 72 of the first deburring mechanism 7 and / or the second abrasive tool assembly 82 of the second deburring mechanism 8 from damaging the surface of the injection molded part 10 due to the failure to accurately insert into the hole or hole group of the injection molded part 10, and prevents the injection molded part 10 from being offset during the machining process, thereby ensuring the machining precision and the molding quality. The first elastic member can be a compression spring.

[0049] In combination Figure 4 The transfer mechanism 5 comprises a first driving unit 51 and a material moving end 52, and the first driving unit 51 is used to drive the material moving end 52 to move between the discharge port of the storage channel 3 and the feeding port of the feeding channel 4. The first driving unit 51 comprises a first guide rail 511, a first sliding block 512 and a first driving assembly 513, the first guide rail 511 and the first driving assembly 513 are both installed on the rack 1, and the first driving assembly 513 is electrically connected with the control unit 94, wherein the first driving assembly 513 can be preferably a pneumatic cylinder or an electric cylinder. The first guide rail 511 is parallel to the height direction Z, the first sliding block 512 is slidingly connected with the first guide rail 511, and the first sliding block 512 is connected with the driving end of the first driving assembly 513, so that the first driving assembly 513 can drive the first sliding block 512 to slide along the first guide rail 511.

[0050] The material moving end 52 has a material clamping groove 521 for receiving the injection molded part 10 from the storage channel 3 and limiting the injection molded part 10, so as to move the injection molded part 10 to the inlet of the feeding channel 4. The material clamping groove 521 penetrates the material moving end 52 in the material moving direction X of the feeding mechanism 6, and the material moving end 52 is installed on the first sliding block 512, so that the material moving end 52 can move in the height direction Z along with the first sliding block 512, thereby making the material clamping groove 521 be in butt joint with the outlet of the storage channel 3 or making the material clamping groove 521 be in butt joint with the inlet of the feeding channel 4. This design enables the injection molded part 10 in the storage channel 3 to be moved into the feeding channel 4 one by one and at equal intervals under the cooperation of the transfer mechanism 5 and the feeding mechanism 6, thereby ensuring the processing position and processing precision of the injection molded part 10.

[0051] Preferably, when the material clamping groove 521 is in butt joint with the inlet of the feeding channel 4, the material moving end 52 blocks the outlet of the storage channel 3, so as to avoid the injection molded part 10 in the storage channel 3 from falling out of the storage channel 3 under the feeding operation of the vibration disc 2.

[0052] Further, the transfer mechanism 5 further comprises a detection sensor 53 installed on the rack 1, the feeding channel 4 or the material moving end 52; when the detection sensor 53 is not installed on the material moving end 52, a through hole is arranged on the material moving end 52 and communicates with the material clamping groove 521, the through hole preferably penetrates the material moving end 52 in the height direction Z, and the detection sensor 53 is arranged on the upper side of the material moving end 52. The detection end of the detection sensor 53 is arranged towards the through hole of the material clamping groove 521 in the height direction Z, and when the detection sensor 53 is not installed on the material moving end 52, it can be arranged in the through hole or outside the pupil according to the type of the detection sensor 53. The detection sensor 53 is used for detecting whether there is an injection molded part 10 in the material clamping groove 521, so as to ensure that the injection molded part 10 is moved to the feeding channel 4 after being moved to the position in the material clamping groove 521, avoid the material moving end 52 being stuck by the injection molded part 10 when the material moving end 52 is moved to the inlet of the feeding channel 4, ensure the reliability of the movement of the material moving end 52, and enable the feeding mechanism 6 to move the injection molded part 10 away from the material moving end 52 and to the first deburring mechanism 7. The detection sensor 53 is a proximity switch or an infrared sensor, and the detection sensor 53 is electrically connected with the control unit 94.

[0053] In combination Figure 5 and Figure 6The feeding mechanism 6 comprises a second driving unit 61 and a poking end 62, the second driving unit 61 is used to drive the poking end 62 to move the injection molded part 10 from the moving end 52 into the feeding channel 4 and to the first deburring mechanism 7, and in this embodiment, the second driving unit 61 can synchronously drive the poking end 62 to move the injection molded part 10 from the first deburring mechanism 7 to the second deburring mechanism 8. When the poking end 62 is located at the storage channel 3, part of the poking end 62 is located in the avoiding groove part 31 of the storage channel 3, and when the poking end 62 is located at the feeding channel 4, part of the poking end 62 passes through the avoiding groove 412 and extends into the guide groove 411.

[0054] The second driving unit 61 comprises a second guide rail 611, a sliding seat 612 and a second driving assembly 613, the second guide rail 611 is installed on the rack 1 and parallel to the moving direction X, the sliding seat 612 is in sliding connection with the second guide rail 611, and the second driving assembly 613 is installed on the rack 1 and electrically connected with the control unit 94, and the second driving assembly 613 is used to drive the sliding seat 612 to slide along the second guide rail 611.

[0055] The poking end 62 is installed on the sliding seat 612, so that the poking end 62 can move with the sliding seat 612 in the moving direction X, thereby moving the injection molded part 10 from the moving end 52 to the first deburring mechanism 7, moving the injection molded part 10 from the first deburring mechanism 7 to the second deburring mechanism 8, and moving the injection molded part 10 from the second deburring mechanism 8 to the designated position.

[0056] Through the design of the second driving unit 61, the poking end 62 can smoothly move the injection molded part 10, and ensure that the injection molded part 10 is accurately moved to the set processing position. The second driving assembly 613 preferably adopts a pneumatic cylinder or an electric cylinder, of course, the second driving assembly 613 can also adopt a linear slide.

[0057] Further, the number of the poking end 62 is two or more, and the plurality of poking ends 62 are distributed at equal intervals, wherein the interval between the adjacent two poking ends 62 is equal to the interval between the moving end 52 and the first deburring mechanism 7, and also equal to the interval between the first deburring mechanism 7 and the second deburring mechanism 8. This design enables the feeding mechanism 6 to simultaneously move two or more injection molded parts 10, thereby improving the processing efficiency of the injection molded hole burr automatic punching machine 100.

[0058] In combination with Figure 7The poking end 62 comprises a connecting seat 621, a poking block 622 and a second elastic member 623. The connecting seat 621 is mounted on the sliding seat 612. The poking block 622 is rotationally connected to the connecting seat 621 at an end close to the material moving end 52. The second elastic member 623 is used to force the poking block 622 to rotate towards the injection molded part 10. The poking block 622 has an inclined top surface 6221 and an abutting surface 6222. The abutting surface 6222 is used to push the injection molded part 10. When the poking end 62 is reset, the inclined top surface 6221 abuts against the injection molded part 10 and compresses the second elastic member 623 to store energy. When the poking block 622 passes the injection molded part 10, the poking block 622 is reset under the elastic potential energy of the second elastic member 623 to ensure that the abutting surface 6222 of the poking block 622 can push the injection molded part 10 to move in the next feeding. It can be seen that, through the structural design of the poking end 62, the movement of the poking end 62 is not blocked by the injection molded part 10 when the feeding mechanism 6 is reset to prepare for the next feeding, which ensures that the feeding mechanism 6 can be reset smoothly. Under the action of the second elastic member 623, it is ensured that the poking block 622 can reliably push the injection molded part 10 to move. Preferably, the second elastic member 623 can be a compression spring or a torsion spring.

[0059] In combination Figure 8 The first deburring mechanism 7 comprises a third driving unit 71 and a first grinding tool assembly 72. The third driving unit 71 is used to drive the first grinding tool assembly 72 to move towards the injection molded part 10 on the feeding channel 4. The third driving unit 71 comprises a third guide rail assembly 711 and a third driving assembly 712. The guide rails of the third guide rail assembly 711 are parallel to the height direction Z and are mounted on the rack 1. The first grinding tool assembly 72 is mounted on the sliding block of the third guide rail assembly 711. The driving end of the third driving assembly 712 is connected with the first grinding tool assembly 72 to drive the first grinding tool assembly 72 to move in the height direction Z relative to the feeding channel 4 and the injection molded part 10 thereon. The third driving assembly 712 is electrically connected with the control unit 94. The third driving assembly 712 preferably adopts a pneumatic cylinder or an electric cylinder.

[0060] The first grinding tool assembly 72 comprises two or more first deburring cutters 721. The two or more first deburring cutters 721 are of the same or different models, so that the first grinding tool assembly 72 can simultaneously deburr multiple holes of different shapes and sizes on the injection molded part 10.

[0061] The second deburring mechanism 8 comprises a fourth driving unit 81 and a second abrasive tool assembly 82, the fourth driving unit 81 being configured to drive the second abrasive tool assembly 82 to move towards the injection molded part 10 on the feeding channel 4. The fourth driving unit 81 comprises a fourth guide rail assembly 811 and a fourth driving assembly 812, the guide rails of the fourth guide rail assembly 811 being parallel to the height direction Z and being mounted on the rack 1, and the second abrasive tool assembly 82 being mounted on the sliding block of the fourth guide rail assembly 811; the driving end of the fourth driving assembly 812 is connected with the second abrasive tool assembly 82 to drive the second abrasive tool assembly 82 to move relative to the feeding channel 4 and the injection molded part 10 thereon in the height direction Z; the fourth driving assembly 812 is electrically connected with the control unit 94, and the fourth driving assembly 812 preferably adopts a pneumatic cylinder or an electric cylinder.

[0062] The second abrasive tool assembly 82 comprises two or more second deburring cutters 821, the two or more second deburring cutters 821 being of the same or different models, so that the second abrasive tool assembly 82 can simultaneously deburr multiple holes of different shapes and sizes on the injection molded part 10.

[0063] In addition, the feeding channel 4 is provided with a material falling groove 413 at the first abrasive tool assembly 72 and the second abrasive tool assembly 82, and the material falling groove 413 penetrates the feeding channel 4 in the height direction Z. The material falling groove 413 is configured to discharge the debris generated in the deburring process of the holes of the injection molded part 10 by the first abrasive tool assembly 72 and the second abrasive tool assembly 82 to the lower side of the feeding channel 4, so as to avoid the accumulation of the debris on the feeding channel 4 affecting the subsequent processing of the injection molded part 10, and prevent the debris from hindering the movement of the injection molded part 10 and damaging the injection molded part 10.

[0064] In the material moving direction X, the material falling channel 91 is located at the downstream end of the feeding channel 4, and the material falling groove 413 can guide the processed injection molded part 10 to be unloaded, so that the processed injection molded part 10 can be recycled to a designated position or directly moved to the next equipment for subsequent processing.

[0065] The debris collecting channel 92 is located below the feeding channel 4 and communicates with the material falling groove 413, and the debris collecting box 93 is arranged at the discharge port of the debris collecting channel 92. Through the cooperation design of the feeding channel 4, the debris collecting channel 92 and the debris collecting box 93, the debris generated in the deburring process can be recycled, so as to avoid the debris from scattering around and polluting the surrounding environment.

[0066] In summary, through the design of the automatic injection molded part hole deburring machine 100, the automatic feeding of the injection molded part 10, the automatic deburring of the holes and the hole openings, and the automatic unloading of the injection molded part 10 can be realized, which can not only improve the deburring efficiency of the holes and the hole openings of the product, but also ensure the consistency of the product, has low skill requirement for the operator, reduces the influence on the health of the operator in the processing process, and can reduce the labor cost and improve the production efficiency.

[0067] Production line embodiment

[0068] The production line comprises the injection molded part hole burr automatic punching machine described in the above injection molded part hole burr automatic punching machine embodiment, and the production line can improve product production quality and product consistency, and can improve production efficiency and reduce labor costs by setting the injection molded part hole burr automatic punching machine.

[0069] Finally, it should be emphasized that the above is only the preferred embodiment of the present application, and is not intended to limit the present application. For those skilled in the art, the present application can have various changes and modifications, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An automatic punching machine for injection molded parts burr in hole, characterized in that, The injection molded part hole inner burr automatic punching machine comprises a vibrating disc, a storage channel, a feeding channel, a transfer mechanism, a feeding mechanism and a first deburring mechanism. The feeding port of the storage channel is connected with the discharging port of the vibrating disc. The transfer mechanism comprises a first driving unit and a material moving end, and the first driving unit is used to drive the material moving end to move between the discharging port of the storage channel and the feeding port of the feeding channel. The feeding mechanism comprises a second driving unit and a material pushing end, and the second driving unit is used to drive the material pushing end to push the injection molded part from the material moving end into the feeding channel and to the first deburring mechanism. The first deburring mechanism is arranged at the feeding channel, and the first deburring mechanism comprises a third driving unit and a first grinding tool assembly, and the third driving unit is used to drive the first grinding tool assembly to move towards the injection molded part on the feeding channel.

2. The injection molded part hole inner burr automatic punching machine according to claim 1, wherein the injection molded part hole inner burr automatic punching machine further comprises a second deburring mechanism arranged at the feeding channel, and the second deburring mechanism is located at the downstream end of the first deburring mechanism along the material moving direction of the feeding mechanism, and the second deburring mechanism comprises: a second grinding tool assembly, the feeding mechanism is further used to push the injection molded part from the first deburring mechanism to the second grinding tool assembly; and a fourth driving unit, the fourth driving unit is used to drive the second grinding tool assembly to move towards the injection molded part.

3. The injection molded part hole inner burr automatic punching machine according to claim 2, wherein the material moving end, the first deburring mechanism and the second deburring mechanism are distributed at equal intervals. The first grinding tool assembly comprises two or more first deburring cutters, and the two or more first deburring cutters are of the same or different types. The second grinding tool assembly comprises two or more second deburring cutters, and the two or more second deburring cutters are of the same or different types.

4. The injection molded part hole inner burr automatic punching machine according to claim 2, wherein the feeding channel comprises: a body, the body has a guide groove and a avoiding groove, the injection molded part can slide in the guide groove, the avoiding groove is located at the bottom of the guide groove and penetrates through the body in the height direction of the injection molded part hole inner burr automatic punching machine, and part of the material pushing end penetrates through the avoiding groove and extends into the guide groove; and two or more pressing assemblies distributed at equal intervals, the body is provided with an insertion slot at the first deburring mechanism and the second deburring mechanism, the insertion slot is perpendicular to the material moving direction, the pressing assembly comprises an insertion block and a first elastic member, the insertion block is slidingly installed in the insertion slot, and the first elastic member forces the insertion block to move into the guide groove.

5. The injection molded part hole inner burr automatic punching machine according to claim 1, wherein there is a height difference between the discharging port of the storage channel and the feeding port of the feeding channel, and the first driving unit comprises: a first guide rail, the first guide rail is parallel to the height direction of the injection molded part hole inner burr automatic punching machine. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ A first sliding block is in sliding connection with the first guide rail, and the material moving end is mounted on the first sliding block. The material moving end has a material clamping groove which penetrates the material moving end in the material feeding direction of the feeding mechanism. A first driving assembly is configured to drive the first sliding block to slide so that the material clamping groove is in butt joint with the material outlet of the material storage channel or the material inlet of the material feeding channel.

6. The automatic trimming machine for the burr in the hole of the injection molded part according to claim 5, characterized in that: when the material clamping groove is in butt joint with the material inlet of the material feeding channel, the material moving end blocks the material outlet of the material storage channel; and / or the transfer mechanism further comprises a detection sensor, and a detection end of the detection sensor is arranged in the height direction and faces the material clamping groove. The detection sensor is configured to detect whether the injection molded part is in the material clamping groove. The detection sensor is a proximity switch or an infrared sensor.

7. The automatic trimming machine for the burr in the hole of the injection molded part according to claim 1, characterized in that: the second driving unit comprises: a second guide rail which is parallel to the material feeding direction of the feeding mechanism; a sliding seat which is in sliding connection with the second guide rail, and the material pushing end is mounted on the sliding seat; a second driving assembly which is configured to drive the sliding seat to slide along the second guide rail.

8. The automatic trimming machine for the burr in the hole of the injection molded part according to claim 7, characterized in that: the number of the material pushing ends is more than two, and the more than two material pushing ends are distributed at equal intervals. The material pushing end comprises: a connecting seat which is mounted on the sliding seat; a pushing block which is in rotational connection with the connecting seat at one end close to the material moving end. The pushing block has an inclined top surface and an abutting surface which is configured to push the injection molded part; a second elastic member which is configured to force the pushing block to rotate towards the injection molded part. When the inclined top surface of the pushing block abuts against the injection molded part, the second elastic member is compressed to store energy.

9. The automatic trimming machine for the burr in the hole of the injection molded part according to any one of claims 1 to 8, characterized in that: the material feeding channel is provided with a material falling groove at the first grinding tool assembly, and the material falling groove penetrates the material feeding channel in the height direction of the automatic trimming machine for the burr in the hole of the injection molded part; the automatic trimming machine for the burr in the hole of the injection molded part further comprises: a material falling channel which is located at the downstream end of the material feeding channel in the material feeding direction of the feeding mechanism; a chip collecting channel which is located below the material feeding channel and is in communication with the material falling groove; a chip collecting box which is arranged at the material outlet of the chip collecting channel.

10. A production line, characterized by The automatic trimming machine for the burr in the hole of the injection molded part according to any one of claims 1 to 9.

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