Core feeding mechanism for automatic rubber core production line

Abstract

The utility model provides a core feeding mechanism for an automatic rubber core line, relates to the technical field of pencil production, and solves the problems that a core feeding disc is inconvenient to replace, a core groove is relatively fixed, the applicability is low and the production cost is high in the core feeding process of the existing automatic rubber core line. The core feeding device comprises a group of core feeding discs which coaxially rotate and are driven by a core feeding driving motor to rotate, arc-shaped core protecting plates are arranged on the discharging sides of the core feeding discs, the inner sides of the core protecting plates are attached to the core feeding discs, core groove block group mounting grooves are formed in the peripheral surfaces of the core feeding discs at equal intervals, and core groove block groups are detachably mounted on the core groove block group mounting grooves. A plurality of upper core grooves are formed in the core groove block set, adjusting discs used for adjusting the number of the upper core grooves are hinged to the opposite faces of the upper core discs, and core groove blocking pieces corresponding to the core groove block set are arranged on the peripheries of the adjusting discs. The utility model has the beneficial effects that the universality of equipment is improved, and the use cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to pencil production technical field, concretely relates to glue core automatic line on core mechanism. BACKGROUND

[0002] In the pencil production process, the lower lead slot of the lower lead slot plate is opened on the top surface to place the lead, the upper lead slot of the upper lead slot plate is opened on the bottom surface to accommodate the lead, the lead is placed in the lower lead slot on the top surface of the lower lead slot plate by artificial or roller, then the upper lead slot plate is stacked on the lower lead slot plate to form a whole pencil plate, so that the lead is wrapped in the middle to form a sandwiched core structure, and finally the whole pencil plate is cut into a pencil by cutting equipment.

[0003] The present glue core automatic line is not convenient to replace the core plate during the core loading process, the core slot is relatively fixed, the applicability is low, and the production cost is high. UTILITY MODEL CONTENTS

[0004] The utility model discloses a glue core automatic line on core mechanism, which solves the problems of inconvenient replacement of the core plate during the core loading process, relatively fixed core slot, low applicability and high production cost of the present glue core automatic line.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The glue core automatic line on core mechanism is characterized by comprising a core loading assembly for feeding the lead into the pencil plate, the core loading assembly comprises a group of coaxial rotating core plates driven to rotate by a core loading driving motor, the discharge side of the core plate is provided with a core protection plate in the shape of an arc and attached to the inner side of the core plate, the outer circumferential surface of the core plate is provided with core slot block group installation grooves at equal intervals, the core slot block group installation grooves are detachably installed with a core slot block group, the core slot block group is provided with a plurality of core slots, a group of the core plates are hingedly connected on the opposite side of the core plate for adjusting the number of core slots, and the outer circumference of the adjusting disc is provided with core slot stop pieces corresponding to the core slot block group.

[0007] Further improvement is that the core loading workbench is further provided with a lead core screening bin, a lead core screening assembly for screening the lead core is arranged in the lead core screening bin, a lead core feeding hopper is arranged on the upper end of the lead core screening bin, a lead core storage hopper for storing the qualified lead core after screening is arranged on one side of the lead core screening assembly, and a lead core discharge port is arranged on the end of the lead core storage hopper facing the core loading assembly.

[0008] Further improvement is that the upper lead core supporting plate is fixedly connected to the outwardly extending back plate of the lead core screening bin, and the upper lead core driving motor is fixedly installed on the upper lead core supporting plate.

[0009] Further improvement is that the lead core screening assembly comprises a lead core screening motor installed on one end of the lead core screening bin, and the output end of the lead core screening motor is fixedly connected to the rotating shaft of the lead core screening disc which is arranged in the lead core screening bin.

[0010] Further improvement is that the top of the lead core screening bin is located in the lead core feeding hopper, and the top of the lead core screening bin is inclined and lower than the feeding end of the lead core screening disc.

[0011] Further improvement is that the lead core screening bin is further hinged with a tension roller for tightening the screening belt.

[0012] Further improvement is that the lead core screening bin is further hinged with a tension roller for tightening the screening belt.

[0013] Further improvement is that the lead core screening bin is further hinged with a tension roller for tightening the screening belt.

[0014] Further improvement is that the lead core screening bin is further hinged with a tension roller for tightening the screening belt.

[0015] Further improvement is that the front end face of the waste core collecting box is provided with a convenient pulling handle.

[0016] Further improvement is that the lead plate sensor is fixed by the sensor fixing member on the outer side of the core protecting plate and is installed downward.

[0017] After the above technical scheme is adopted, the following beneficial effects are achieved compared with the prior art:

[0018] The lead core screening assembly can realize screening of lead cores and collection of waste cores; the grouped core loading disc and the core groove block group on the core loading disc are detachably installed, so that the core loading disc and the core groove block group can be conveniently maintained and replaced; and the setting of the adjusting disc can meet different core loading requirements, so that the number of core loading grooves can be adjusted without disassembly and replacement, the universality of the equipment is improved, and the use cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0020] Figure 1 is a schematic diagram of the three-dimensional structure of the present application;

[0021] Figure 2 is a schematic diagram of the back three-dimensional structure of the present application;

[0022] Figure 3 is a schematic diagram of the internal three-dimensional structure of the present application;

[0023] Figure 4 is an enlarged view of A part in the present application Figure 3

[0024] Figure 5 is a schematic diagram of the three-dimensional structure of the core loading assembly in the present application;

[0025] Figure 6 is another angle structure schematic diagram of the core loading assembly in the present application;

[0026] Figure 7 is a structure schematic diagram of the core loading disc and the core protecting plate in the present application;

[0027] Figure 8 is a structure schematic diagram of the core loading disc when the adjusting dial is not working in the present application; ​

[0028] Figure 9 is the structural diagram of the adjusting dial when adjusting the core disc in the utility model.

[0029] Mark explanation: core workbench b1, lead core screening bin b2, core assembly b3, core driving motor b31, core support plate b32, core disc b33, core groove block group installation groove b331, core groove block group b332, core groove b333, shaft hole b334, core protection plate connecting plate b34, core protection plate b35, adjusting disc b36, core groove b361, lead core into the hopper b4, lead core discharge port b6, lead core screening assembly b5, lead core screening motor b51, lead core screening disc b52, screening belt driving wheel b53, screening belt b54, screening belt driven wheel b55, screening core groove b56, lead core storage hopper b7, storage hopper driving motor b71, storage hopper driving link b72, waste core collection box b8. DETAILED DESCRIPTION

[0030] Reference Figures 1-9 The technical scheme adopted in the specific embodiment is shown in the figure: the core mechanism of the automatic glue core line comprises a core assembly b3 for feeding lead cores to pencil plates, the core assembly b3 comprises a group of coaxial rotating core discs b33 driven to rotate by a core driving motor b31, the discharge side of the core disc b33 is provided with a core protection plate b35 in the shape of an arc and attached to the inner side of the core disc b33, the outer circumferential surface of the core disc b33 is provided with core groove block group installation grooves b331 at equal intervals, the core groove block group installation grooves b331 are detachably installed with core groove block groups b332, the core groove block groups b332 are provided with a plurality of core grooves b333, a group of the core discs b33 are hingedly connected on the opposite side with an adjusting disc b36 for adjusting the number of core grooves b333, and the outer circumference of the adjusting disc b36 is provided with core groove stop pieces b361 corresponding to the core groove block groups b332.

[0031] The core mechanism further comprises a core workbench b1, the core workbench b1 is provided with a lead core screening bin b2, the lead core screening bin b2 is provided with a lead core screening assembly b5 for screening lead cores, the upper end of the lead core screening bin b2 is provided with a lead core feeding hopper b4, one side of the lead core screening assembly b5 is provided with a lead core storage hopper b7 for storing qualified lead cores after screening, and the lead core storage hopper b7 is provided with a lead core discharge port b6 towards the core assembly b3.

[0032] The lead core screening bin b2 is fixedly connected with a core support plate b32 outwardly extended from the back plate on one side, the core driving motor b31 is fixedly installed on the core support plate b32, the core disc b33 is rotatably connected to the back plate outwardly extended from the lead core screening bin b2, and the core protection plate b35 is fixedly connected to the core support plate b32 through the core protection plate connecting plate b34.

[0033] The lead core screening assembly b5 comprises a lead core screening motor b51 installed on one end of the lead core screening bin b2, the output end of the lead core screening motor b51 extends into the lead core screening bin b2 and is fixedly connected with a rotating shaft of a lead core screening disc b52, the outer circumferential wall of the lead core screening disc b52 is uniformly provided with a plurality of screening core grooves b56 capable of embedding lead cores in the axial direction, a group of screening belt driving wheels b53 are coaxially and fixedly connected to the front and rear ends of the lead core screening disc b52, the side of the lead core screening disc b52 is provided with a plurality of screening belt driven wheels b55 corresponding to the screening belt driving wheels b53 and hinged to the wall of the lead core screening bin b2, a pair of screening belts b54 are sleeved on the screening belt driving wheels b53 and the screening belt driven wheels b55, the spacing between the pair of screening belts b54 is smaller than the length of the qualified lead core, the upper surface of the screening belt b54 is lower than the bottom surface of the screening core groove b56, and the screening belt b54 between the screening belt driven wheel b55 and the lead core screening disc b52 forms a lead core conveying passage.

[0034] The top of the lead core screening bin b2 is located in the lead core feeding hopper b4, and the top of the lead core screening bin b2 is inclined and lower towards the feeding end of the lead core screening disc b52. The inclined surface facilitates the lead core to slide from the lead core screening bin b2 to the lead core screening disc b52, i.e., from the top of the lead core feeding hopper b4 to the lead core screening disc b52 below.

[0035] The lead core screening bin b2 is further hinged with a tension roller for tensioning the screening belt b54. The outer surface of the tension roller can press the screening belt b54 to make the screening belt b54 more tense, thereby better conveying the lead core.

[0036] The lead core conveying passage between the screening belt driven wheel b55 and the lead core screening disc b52 is horizontally arranged. The lead core is discharged from the screening belt driven wheel b55 and falls into the lead core storage hopper b7, which is used to store the qualified lead core after screening for entering the lead pencil core loading assembly to load the lead pencil.

[0037] One end surface of the lead core screening bin b2 is provided with a storage hopper driving motor b71, the output end of the storage hopper driving motor b71 is drivingly connected with the lead core storage hopper b7 through a storage hopper driving connecting rod b72, and the lead core storage hopper b7 is hinged to the inner wall of the lead core screening bin b2.

[0038] A waste core collecting box b8 for collecting unqualified lead cores is arranged below the lead core screening assembly b5 in the lead core screening bin b2.

[0039] A handle is arranged on the front end surface of the waste core collecting box b8 for easy pulling.

[0040] The lead plate sensor is fixed by a sensor fixing member, and the lead plate sensor is installed downward.

[0041] The working principle of the utility model is: when in use, the lead core enters the screening core groove on the lead core screening disc from the lead core feeding hopper, the driving wheel covered by the pair of screening belts is lower than the bottom surface of the screening core groove and rotates coaxially with the lead core screening disc, so that when the lead core enters the screening core groove, the two ends of the lead core are on the upper part of the two screening belts and move with the rotation of the lead core screening disc, because the lead core is on the two screening belts during the rotation of the lead core screening disc, when the lead core rotates to the lower part, the lead core does not directly fall off but moves with the two screening belts, the gap between the two screening belts is smaller than the length of the lead core, so that the lead core moves along the direction of the screening belts, and the lead core with an unqualified length falls into the collection box below, so that the screening of the lead core and the collection of the waste core are realized; the qualified lead core enters the lead core storage hopper for storage, and then when the pencil plate passes by and needs to be charged, the lead core enters the charging groove of the core groove block group, is conveyed to the passing pencil plate with the rotation of the charging disc, the grouped charging disc and the core groove block group on the charging disc are detachably installed, which facilitates the maintenance and replacement, and the adjustment disc can be rotated when the number of conveyed lead cores needs to be adjusted, at this time, the core groove baffle blocks part of the charging groove, the adjustment is convenient and fast, different charging requirements can be met, the number of charging grooves can be adjusted without disassembly and replacement, the universality of the equipment is improved, and the use cost is reduced.

[0042] The basic principle and main features of the utility model and its advantages are shown and described above, and those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed, and the protection scope of the utility model is defined by the appended claims and their equivalents. The utility model is not described in detail, and is the known technology of those skilled in the art.

Claims

1. An automatic core-laying mechanism, characterized in that: The device includes a lead feeding assembly for feeding lead into a pencil board. The lead feeding assembly includes a set of coaxially rotating lead feeding discs driven by a lead feeding drive motor. The discharge side of the lead feeding discs is provided with an arc-shaped lead guard plate with its inner side attached to the lead feeding discs. The outer circumference of the lead feeding discs is provided with lead slot assembly mounting slots at equal intervals. Lead slot assembly mounting slots are detachably installed on the lead slot assembly mounting slots. The lead slot assembly is provided with a plurality of lead slots. An adjustment disc for adjusting the number of lead slots is hinged to the opposite side of a set of lead feeding discs. The outer circumference of the adjustment discs is provided with lead slot baffles corresponding to the lead slot assembly.

2. The automatic core-threading mechanism according to claim 1, characterized in that: It also includes a core loading workbench, on which a lead core screening chamber is provided. The lead core screening chamber is provided with a lead core screening component for screening lead cores. A lead core feeding hopper is provided at the upper end of the lead core screening chamber. A lead core storage hopper for storing qualified lead cores after screening is provided on one side of the lead core screening component. A lead core discharge port is provided at the end of the lead core storage hopper facing the core loading component.

3. The automatic core-laying mechanism according to claim 2, characterized in that: The lead core screening chamber has an upper core support plate fixedly connected to the back plate on one side. The upper core drive motor is fixedly mounted on the upper core support plate. The upper core disk is rotatably connected to the back plate extending outward from the lead core screening chamber. The core protection plate is fixedly connected to the upper core support plate through the core protection plate connecting plate.

4. The automatic core-laying mechanism according to claim 2, characterized in that: The lead core screening assembly includes a lead core screening motor installed at one end of the lead core screening chamber. The output end of the lead core screening motor extends into the lead core screening chamber and is fixedly connected to the rotating shaft of the lead core screening disc. The outer peripheral wall of the lead core screening disc has several screening core slots evenly distributed along the axial direction, which can embed lead cores. A set of screening belt drive wheels are coaxially and rotatably fixedly connected to the front and rear ends of the lead core screening disc. The side of the lead core screening disc has several screening belt driven wheels corresponding to the screening belt drive wheels, which are hinged to the wall of the lead core screening chamber. A pair of screening belts are fitted on the screening belt drive wheels and the screening belt driven wheels. The distance between the pair of screening belts is less than the length of a qualified lead core. The upper surface of the screening belt is lower than the bottom surface of the screening core slot. The screening belt between the screening belt driven wheels and the lead core screening disc forms a passage for conveying lead cores. The side of the lead core screening chamber has a lead core outlet communicating with the lead core screening chamber.

5. The automatic core-laying mechanism according to claim 4, characterized in that: The top of the lead core screening chamber is located inside the lead core feed hopper, and the top of the lead core screening chamber is sloping with the feed end facing the lead core screening disc at a low position.

6. The automatic core-laying mechanism according to claim 4, characterized in that: The lead core screening chamber is also hinged with a tension roller for keeping the screening belt taut.

7. The automatic core-laying mechanism according to claim 4, characterized in that: The path for transporting lead cores between the driven wheel of the screening belt and the lead core screening disc using the screening belt is horizontally arranged.

8. The automatic core-laying mechanism according to claim 2, characterized in that: A hopper drive motor is installed on one end face of the lead core screening chamber. The output end of the hopper drive motor is connected to the lead core storage hopper through a hopper drive linkage. The lead core storage hopper is hinged to the inner wall of the lead core screening chamber.

9. The automatic core-laying mechanism according to claim 2, characterized in that: The lead core screening chamber contains a waste core collection box located below the lead core screening assembly for collecting substandard lead cores.

10. The automatic core-laying mechanism according to claim 3, characterized in that: The outer side of the core protector has a lead plate sensor fixed by a sensor fastener. The lead plate sensor is installed facing downwards. The lead plate sensor can be an inductive switch or an optocoupler to detect whether a pencil lead board is passing by.

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