KR960010621B1 - Apparatus for assembling plastic broom - Google Patents

Abstract

The apparatus is designed to insert and bond combs of a plastic broom by supplying the combs automatically. The apparatus includes : a comb bundle guide supply section (14) for guiding and supplying combs (12) out of a comb winding roller (10); a comb bundle conveyor section (16) for conveying comb bundle forward; a combe bundle cutting section (18) for cutting the comb bundle (12) into a specified length; a comb bundle inserting section (22) for bending inserting comb bundle into a separate chamber (20a); and a core rod assembly part (25) for inserting a core rod (24) into a body (20).

Description

Comb assembly

1 is a schematic front view of a comb teeth assembly according to the present invention,

2 (a) is a cross-sectional view taken along the line A-A of FIG. 1, the assembled cross-sectional view of the comb bundle transfer portion,

(b) is sectional drawing along the line B-B of FIG. 2 (a), Comprising:

3 is an operating state diagram of the comb insertion part of FIG. 1, (a) shows the state before the comb bundle is inserted into the compartment of the non-body,

(b) is a drawing with the insertion bar lowered and the comb inserted into the body compartment,

4 is an operating state diagram in which the insertion bar inserts the comb bundle into the body, (a) is a cross-sectional view of the state before the insertion bar descends,

(b) is a cross-sectional view of the insertion bar descending as it is retracted.

* Explanation of symbols for main parts of the drawings

2: frame 3: bed

10: winding roll 12: comb bunch

14: comb bundle guide supply portion 16: comb bundle transfer unit

18: comb cut portion 20: non-body

20a: compartment 20b: sidewall hole

22: comb bundle insert 24: mandrel

25: mandrel assembly 26: fixed block

28: guide pipe 28a: through hole

31: holder 32: guide rod

34: shuttle 36: pneumatic cylinder

38: lower block 38a: through hole

40: pressure rod 41: guide rod

42: upper block 43: height adjustment screw

44: pressing force adjusting means 46: spring

48: Adjusting nut 50,51: Supporting roller

52: motor 52a: rotation axis

54: electric belt 56: guide groove

58: cutting blade 60: cutting blade storage

62: rear end support 64: non-body storage unit

66: lower mount 68: insertion bar

70: guide block 70a: guide groove

72: pneumatic cylinder 72a: cylinder rod

74: upper support block 74a: guide groove

76: nut 77: high information bolt

78: roller

The present invention relates to a comb teeth assembling apparatus, and more particularly, to a comb assembling apparatus for automatically supplying the comb teeth of the synthetic resin material inserted into the comb body.

In general, the household rain is inserted into the plastic body with a plurality of plastic comb bent in half in a plastic body provided with a plurality of comb storage compartment therein to be fixed by a mandrel.

This common household rain is inserted into the injection molded compartment of the plastic body while bending the plastic comb cut to a predetermined length in half with a predetermined push rod, and the mandrel for fixing the comb teeth through the side wall hole formed in the side wall of the body. After inserting into the inner space of the comb bent in half by fixing both ends of the mandrel to the body side wall to fix the comb teeth to the body.

However, in the related art, even if the non-manufacturing process is performed manually, or even if a machine is used, each partial process is performed separately, and a human hand is required to move products between the processes.

Therefore, the conventional ratio has the disadvantage that the quality of the product is uneven and the productivity is low as well as the manufacturing cost is increased by the operation of each assembly process by hand.

Accordingly, the present invention is designed to solve the problems caused by manually assembling the conventional rain, by uniformly assembling the comb to the non-body mechanically to improve the quality of the product, increase the productivity and manufacture of the product produced The purpose is to provide a comb assembly device that also lowers the unit cost.

In order to achieve the above object, the present invention provides a comb guide supply unit for supplying while guiding the comb teeth of the plurality of strands wound around the comb winding roller; A comb bundle transfer unit which pulls forward while supporting the comb bundle passing through the comb bundle guide supply unit so as not to be loosened by strands; Comb bundle cutting unit for cutting the comb bundle conveyed by the comb bundle transfer unit to a predetermined length; A comb bundle inserting portion inserted into the compartment of the non-body while bending the comb bunch cut into a predetermined length by the comb cutting portion; The comb bundle insert has a mandrel assembly that attaches both ends to the body while inserting a fixed mandrel between the comb bundle bent portions through the side wall hole of the comb body into which the comb is inserted.

Hereinafter, a comb teeth assembly according to the present invention will be described in detail according to the accompanying drawings.

Comb teeth assembly according to the present invention, as shown in Figure 1, the comb bundle guide supply unit 14 for supplying while guiding the bundle of several strands comb (12) wound around the comb take-up roller 10 in a pair; Comb bundle transfer unit 16 for forward movement while supporting the comb bundle 12 passing through the comb bundle guide supply unit 14 so as not to be released by the strand; Comb bundle cutting portion 18 for cutting the comb bundle 12 passing through the comb bundle transfer portion 16 to a predetermined length; Comb bundle insert 22 for inserting into the compartment 20a of the non-body 20 while bending the comb bundle 12 cut to a predetermined length in half; Consists of a mandrel assembly portion 25 for attaching both ends to the body 20 while inserting the fixing mandrel 24 between the comb bundle bent portion through the side wall hole 20b of the non-body 20. have.

Here, the comb bundle guide supply unit 14, as shown in Figure 1, is fixed on the fixed block 26 on the frame 2, the comb bundle 12 is drawn from the take-up roller (10) It consists of a guide pipe 28 for guiding while passing through the through hole (28a) does not intertwine with the adjacent comb bundle 12.

In addition, the comb bundle transfer unit 16, as shown in FIG. 1, a fixed base 31 fixed to the front of the bed 3 of the frame 2, the fixed base 31 and the comb bundle guide supply unit ( A carriage 34 installed on the bed 3 to reciprocate back and forth on the guide rods 32 installed between the fixed blocks 26 of 14), and a pneumatic cylinder 36 for transferring the carriage 34 back and forth. As shown in FIG. 2 (a), the holder 31 has a plurality of comb guide guide holes 38a at the upper end of the lower block 38 so that the longitudinal rear end thereof is opened more than half. The pressure bar 40 presses the comb through the respective through holes 38a on the upper block 42 above the opening 38b of the through hole 38a. It is provided to correspond to each through-hole 38a, and each pressurization rod 40 is also shown in detail in FIG. And it is in a comb-like bundle pressing force adjusting means (44) that can adjust a pressing force to press the 12 individually are provided as structures.

And the carriage 34 is composed of a lower block 38 and the upper block 42 to open and close up and down along the guide rod 41 provided on both sides as shown in Figure 1 and the lower block ( 38, a plurality of comb-thru guide through-holes 38a spaced apart from each other are drilled so that the rear end thereof is opened.

And the pressing force adjusting means 44, as shown in detail in Figure 2 (b), the height adjustment screw 43 is screwed into the upper block 42 of the carriage 34, and the height The pressurizing rod 40 penetrates the adjusting screw 43 in the direction of the central axis, and the upper end is connected to the height adjusting screw 43 by the adjusting nut 48, and the pressing bar 40 and the height adjusting screw 43. The spring 46 is elastically installed between the bottom surface of the.

In addition, a pair of pulls toward the front of the holding rod 31 of the comb bundle transfer unit 16 while pulling each comb bundle 12 penetrating the comb bundle transfer unit 16 so as not to be released or entangled with strands. Support rollers 50 and 51 are provided.

Among the support rollers 50 and 51, as shown in FIG. 1, the drive shaft support roller 50 has a traditional belt 54 from the rotation shaft of the drive pulley provided at the shaft end thereof. By receiving the rotational power through the rotation is to be rotated accordingly, the drive roller 51 is formed a driven roller 50 and the guide groove 56 to be interlocked by the drive pulley, the guide groove 56 As the rollers 50, 51 rotate, the bite comb 12 is transferred to the front comb bundle insert 22. As shown in FIG.

And comb bundle cutting section 18 for cutting the comb bundle conveyed as described above to a predetermined length, as shown in Figure 1, a cutting blade 58 for cutting the rear end of the comb bundle 12, It consists of the cutting blade feed means 60 which reciprocates the cutting blade 58 up and down, and the rear end support 62 of the comb bundle 12, In front of this comb bundle cutting part 18, FIG. As shown in, the comb bundle insertion portion 22 is arranged.

By the way, the comb bundle insertion portion 22 is coupled to the rod end of the pneumatic cylinder 72, the upper support block 74 to move up and down as the pneumatic cylinder 72 stretch operation, and the upper support block ( 74, one end is coupled to the roller 78 installed so as to slide along the guide groove 74a cut in an arc in the longitudinal direction of the circular groove 77, and the other end is fixed to the frame 2. It consists of an insertion bar 68 which is inserted in the guide groove (70a) of the lower guide plate 70 so as to be slidable.

On the other hand, as described above, the comb bundle 12 assembled in each compartment 20a of the non-body 20 into the side wall hole 20b penetrated through both side walls of the body 20, the core rod 24 for fixing the comb bundle 24 ), The comb bundle 12 is inserted into the interspace that is bent in half, and one end is drawn out through the opposite side wall hole 20b, and then both ends thereof are fixed to the side wall of the body 20 with an adhesive or the like. It is.

Hereinafter, the detailed operation and effect of the comb teeth assembly apparatus according to the present invention.

The body 20 is inserted into the lower fixing section 66 accommodating portion 64 of the comb bundle inserting portion 22 so that the compartment 20a of the plastic body 20 faces upward, and the comb winding roller ( 10) the plurality of combs 12 drawn from the bundles are put together in a bundle and passed through the through-holes 28a of the guide pipes 28 of the comb bundle guide supply unit 14, and then each of these comb bundles 12 To pass through the comb bundle guide through-hole 38a provided in the lower block 38 of the comb bundle transfer unit 16, and sandwich the front end between the guide grooves 56 formed by the support rollers 50 and 51. Fix it.

Thus, after setting the comb teeth to the comb teeth assembly according to the invention the device is operated. According to the operation of the pneumatic cylinder 36 disposed at the rear of the comb bundle conveying unit 16 holding the comb bundle 12, the comb bundle 12 is moved forward toward the front fixture 31. At this time, the support rollers 50 and 51 are rotated at the same speed, and are transported to the comb bundle cut 18 while supporting the comb bundle 12 so as not to be released or entangled with strands.

However, if you want to adjust the support force when supporting the comb bundle 12 as a carriage (34) to the front to turn the pressing force adjustment nut 48 of the pressure rod (40) installed on the fixing 31 to the left and right height By raising and lowering the adjustment screw 43 and changing the compression force of the compression coil spring 46 accordingly, it is possible to adjust the pressing force applied to the pressure bar 40 to adjust the holding force for holding the comb bundle 12. Then, as shown in FIG. 3 (a), the cutting blade 58 of the comb cutting unit 18 is lowered in a timely manner according to the lowering operation of the pneumatic cylinder 72, and the comb bundle 12 is transported by a predetermined length. By cutting the rear end of the comb bundle 12 is cut by a predetermined length is placed in the pre-assembly stage.

Next, as shown in FIG. 3 (b), the comb bundle 12 cut into a predetermined length while being lowered by the pneumatic cylinder 72 which is operated in a timely manner as the insertion bar 68 of the comb bundle insert 22 is operated. By pressing the central portion of the non-body 20 into the compartment 20a of the comb bundle 12 is bent in half while being inserted into the compartment 20a.

Herein, the operation of bending the comb bundle 12 into the compartment 20a of the non-body 20 will be described in detail with reference to FIGS. 4A and 4B as follows.

When the rod 72a of the pneumatic cylinder 72 is extended, the upper support block 74 coupled to the cylinder rod 72a descends and the insertion bar 68 slidably coupled to the upper support block 74 is removed. The insertion bar 68 is pushed downward, and the lower ends of the insertion bars 68 are guided by being inserted into the guide grooves 70a, which are relatively narrow in distance from each other, so that the rear ends of the insertion bars 68 are also spaced between the lower ends thereof. Should be similar to

In this case, at the top of the insertion bar 68, a roller 78 which slides along the guide groove 74a of the upper support block 74 is coupled with the bolt 77 and the nut 76, and the insertion bar When the roller 68 is lowered, the roller 78 slides toward the vertical centerline of the upper support block 74, so that the insertion bar 68 coupled with the roller 78 is also lowered while the gap is narrowed. Will be.

Then, through the non-body 20 side wall hole 20b into the bent space of the bent comb 12 inserted into the compartment 20a, the mandrel 24 is inserted by hand or as an auxiliary device, and both ends thereof are inserted. If it is attached to the side wall of the non-body 20 with an adhesive or the like, comb assembly is completed.

As described above, the comb teeth assembly device according to the present invention is a process of inserting the comb teeth 12 from the take-up roller 10 and inserting them into the compartment 20a formed on the non-body 20 while cutting and transporting the combs 12. By automatically performing the process, the quality of the product becomes uniform as compared to the case where the work is performed by the human hand in each process, thereby reducing the defective rate and increasing the productivity by increasing the working speed.

Claims (3)

A comb bundle guide supply unit 14 for guiding and supplying a plurality of combs 12 drawn out from the comb winding roller 10; A comb bundle transfer unit 16 which forwards forward while supporting the comb bundle 12 having passed through the comb bundle guide supply unit 14 so as not to be released by strands; A comb bundle cutting portion 18 for cutting the comb bundle 12 transferred by the comb bundle transferring portion 16 to a predetermined length; Comb bundle insert 22 for inserting into the compartment 20a of the non-body 20 while bending the comb bundle 12 cut to a predetermined length in half; Comb assembly device consisting of a mandrel assembly portion 25 for inserting the fixing mandrel 24 between the bent portion space of the comb bundle (12) bent in half in the compartment (20a). According to claim 1, The comb bundle transfer portion 16 is a slide reciprocating motion along the guide rod 32 is fixed to the front end of the bed (3), and the guide rods 32 fitted to both sides of the holder (31) It is composed of a carriage 34, the fixing rod 31 and the carriage 34 is composed of an upper block 42 and a lower block 38 to open and close respectively along the guide rods 4 installed on the left and right sides. The lower block 38 is provided with a through hole 38a for guiding the comb bundle so that the rear end portion thereof is opened, and the upper block 42 has one-to-one correspondence with the opening 38b of the through hole 38a. Rod 40 is installed and the pressure bar 40, the comb teeth assembly characterized in that the pressing force adjusting means 44 is provided. The adjusting means 44 of the pressurizing rod 40 is a height adjusting screw 43 screwed into the upper block 42 of the carriage 34, and the height adjusting screw 43. ), The upper end penetrates in the direction of the central axis, and the upper end of the comb teeth assembly device, characterized in that consisting of a pressing rod 40 and elastically installed spring 46 coupled to the height adjustment screw 43 as an adjustment nut (48).