阅读说明：本技术 一种中束芯及其生产工艺 (Middle bundle core and production process thereof ) 是由 朱卫锋 房永庆 宋建华 于 2019-10-12 设计创作，主要内容包括：本发明涉及一种口红包装,尤其是涉及一种中束芯及其生产工艺。中束芯,包括中束和与中束同轴转动的叉子,其特征在于,还包括：用于承载产品的珠子,珠子位于叉子的内部并与叉子轴向滑动连接；用于卡接产品的限位凸起,限位凸起位于珠子上并朝向珠子的轴线方向凸起。本发明具有能够保证所有部件可以采用相同材料、同时能够有效地降低加工难度、便于统一回收、磨损程度低旋转和升降的稳定性更强等有益效果。(The invention relates to lipstick packaging, in particular to a middle bundle core and a production process thereof. Well bundle core, including well bundle and with well bundle coaxial pivoted fork, its characterized in that still includes: the bead is used for bearing a product, is positioned inside the fork and is in axial sliding connection with the fork; the limiting protrusion is used for clamping a product and is positioned on the bead and protrudes towards the axis direction of the bead. The invention has the advantages of ensuring that all parts can adopt the same material, effectively reducing the processing difficulty, being convenient for unified recovery, having low abrasion degree, stronger rotation and lifting stability and the like.)

1. A middle beam core comprises a middle beam and a fork which rotates coaxially with the middle beam, and is characterized by further comprising:

the bead is used for bearing a product, is positioned inside the fork and is in axial sliding connection with the fork;

the limiting protrusion is used for clamping a product and is positioned on the bead and protrudes towards the axis direction of the bead.

2. The core of claim 1, wherein the side wall of the fork is provided with at least one sliding groove parallel to the axial direction of the fork, the outer wall of the bead is provided with at least one sliding block corresponding to the sliding groove, the sliding block is positioned in the sliding groove, the inner wall of the middle bundle is provided with a feeding thread, and the surface of the sliding block is provided with an external thread matched with the feeding thread.

3. The core assembly according to claim 2, wherein the upper end of the sliding groove is connected with an upper limiting groove for limiting the sliding block, the lower end of the sliding groove is connected with a lower limiting groove for limiting the sliding block, and the upper limiting groove and the lower limiting groove extend towards the ring surface of the fork.

4. The core assembly of claim 3, wherein the connection between the runner and the upper limit groove and the connection between the runner and the lower limit groove are provided with guide arcs.

5. The core assembly of claim 2, wherein the fork includes an open slot in an outer wall thereof in communication with the slot.

6. The core of claim 1 or 2 or 3 or 4 or 5, wherein the core of the middle strand, the fork, the bead, the slider and the limiting protrusion are made of the same material.

7. The middle bunch core of claim 1, 2, 3, 4 or 5, wherein the fork bottom is integrally connected with a rotary seat, a joint of the rotary seat and the fork is provided with a clamping groove in a concave manner towards an axial direction of the fork, the middle bunch is sleeved at the fork, and a clamping structure matched with the clamping groove is arranged in a concave manner towards an axial direction of the middle bunch at the bottom of the middle bunch.

8. The core assembly of claim 7, wherein the clamping structure is a snap ring protruding in the axial direction or a plurality of clamps spaced around the circumference of the core assembly.

9. A process for producing a core of a core bundle according to any one of claims 1 to 8, characterized by the following steps:

step 1) processing stage: a) integrally forming a fork and a rotary seat by adopting a metal material, stamping a clamping groove between the fork and the rotary seat towards the axial direction of the fork, and processing an open groove, an upper limiting groove, a sliding groove and a lower limiting groove on the outer wall of the fork; b) forming a bead by adopting a metal material which is the same as that of the fork, forming a sliding block on the side wall of the bead by outwards stamping, processing external threads on the surface of the sliding block, processing a wire groove with three edges in tail connection on the side wall of the bead, forming a limiting bulge at the surrounding part of the wire groove, and turning the limiting bulge towards the axis direction of the bead; c) forming a middle bundle by using the same metal material as the fork, and processing a feed thread on the inner surface of the middle bundle;

step 2) an assembly phase: aligning the sliding block to the sliding groove, inserting the beads into the fork, sleeving the middle bundle outside the fork, inwards punching the bottom of the middle bundle and the corresponding position of the clamping groove of the fork to form a clamping structure, and clamping the clamping structure into the clamping groove to finish assembly;

wherein a), b) and c) are implemented according to any permutation and combination sequence.

10. The process for producing a core of a middle bundle as claimed in claim 9, wherein the metal material in a), b) and c) is aluminum or an aluminum alloy.

Technical Field

The invention relates to lipstick packaging, in particular to a middle bundle core and a production process thereof.

Background

The color cosmetics industry is developing day by day, and lipstick becomes more important color cosmetics. The structure of restraint core in current lipstick adopts connection structure such as fork, pearl, and this kind of connection structure makes these part processing degree of difficulty increase, need adopt different material preparation, adopts plastics to mould plastics promptly and metal processing's collocation, and different materials degree of wear is different when using, and the stability of rotation and lift is relatively poor when using for a long time. And the structure has complex processing procedure, large assembly difficulty and long production period. When restrainting the core abandonment in the middle of, plastics and metal need categorised the recovery, and the core is restrainted usually to current middle of adopting at least four kinds and above materials preparation, and the core is dismantled complicacy in the middle of this kind of structure moreover, adopts viscose to link between material and the material, and extremely difficult dismantlement can't categorised the recovery.

Disclosure of Invention

The invention mainly aims at the problems and provides a middle bundle core which can ensure that all parts can adopt the same material, can effectively reduce the processing difficulty, is convenient for unified recovery, has low abrasion degree, and has stronger rotation and lifting stability, and a production process thereof.

The purpose of the invention is mainly realized by the following scheme: a middle beam core comprises a middle beam and a fork which rotates coaxially with the middle beam, and is characterized by further comprising: the bead is used for bearing a product, is positioned inside the fork and is in axial sliding connection with the fork; the limiting protrusion is used for clamping a product and is positioned on the bead and protrudes towards the axis direction of the bead. The fork is restrainted the inside of restrainting and is restrainted coaxial rotation with well, can drive the inside pearl of fork and reciprocate when the fork rotates, and the pearl is used for bearing products such as lipstick, and when the lipstick inserted in the pearl, spacing protruding axis direction arch towards the pearl is spacing to the lipstick in the pearl, can drive the lipstick when the pearl reciprocates and reciprocate. The fork, the middle bundle and the beads can be made of the same material, and are not required to be disassembled during recovery, so that the fork, the middle bundle and the beads can be recovered uniformly.

Preferably, the side wall of the fork is provided with at least one sliding groove parallel to the axis direction of the fork, the outer wall of the bead is provided with at least one sliding block corresponding to the sliding groove, the sliding block is positioned in the sliding groove, the inner wall of the middle bundle is provided with a feeding thread, and the surface of the sliding block is provided with an external thread matched with the feeding thread. Processing has an at least spout on the fork, integrated into one piece has the slider on the pearl, at slider surface machining external screw thread, processing has the feed screw thread on the inner wall of well bundle, the assembly is accomplished the back, the slider of pearl is located the spout of fork and through self external screw thread with well feeding screw thread engagement on restrainting the inner wall, when rotatory fork, the fork passes through the spout and is spacing to the slider of pearl, make the pearl axial rotate, the axial of pearl is rotated and is driven external screw thread and well feeding screw thread rotation feed of restrainting the inner wall on the slider, realize that the pearl reciprocates along the spout direction. All parts on the whole middle bundle core can be made of the same material, even if the same material is adopted, the sliding groove, the sliding block, the external thread and the feeding thread can be processed independently, the whole middle bundle core can be processed and manufactured by the same material, the feeding thread matching of the external thread on the surface of the sliding block and the inner wall of the middle bundle is utilized, the beads are driven to move up and down in the fork, the wear degrees of the parts made of the same material are the same, and the rotation and translation stability is stronger.

Preferably, the connecting part of the sliding groove and the upper limiting groove and the connecting part of the sliding groove and the lower limiting groove are both provided with guide arcs. When the beads are located at the bottommost part of the fork, the sliding block is located in the lower limiting groove, and when the fork is rotated, the fork drives the sliding block on the beads to slide into the sliding groove from the lower limiting groove and move upwards along the sliding groove. When the sliding block slides to the top end of the sliding groove, the sliding block can slide into the upper limiting groove along with the continuous rotation of the fork, and the maximum displacement of the sliding block moving upwards is limited.

Preferably, the outer wall of the fork is provided with an open slot communicated with the sliding groove. The open slot can make the spout upwards form the opening to fork upper end edge, and the spout both ends part can realize that the small amplitude opens, and the pearl that is convenient for to have the slider inserts to the fork is inside, can be convenient for simultaneously go up spacing groove, spout and the processing of spacing groove down.

Preferably, the middle beam, the fork, the beads, the sliding block and the limiting protrusions are made of the same material. The middle beam, the fork, the beads, the sliding blocks on the beads and the limiting protrusions can be made of the same materials, such as aluminum materials, the whole weight is light, and surface processing is facilitated. The middle beam core does not need to be disassembled during recovery, and the uniform recovery can be realized.

Preferably, the bottom of the fork is integrally connected with a rotary seat, a clamping groove is concavely arranged at the joint of the rotary seat and the fork in the axial direction of the fork, the middle beam is sleeved at the fork, and a clamping structure matched with the clamping groove is concavely arranged at the bottom of the middle beam in the axial direction of the middle beam. The fork bottom integrated into one piece has the swivel mount, and the material of swivel mount is the same with the material of fork promptly, and when well bundle cover was established on the fork, well bundle bottom can correspond with the draw-in groove of the junction of swivel mount and fork, inwards punching press formation joint structure in well bundle bottom and draw-in groove correspondence, go into the snap ring card in the draw-in groove, realize the axial spacing of fork and well bundle, make fork and well bundle can only rotate relatively and can not axial displacement, can realize rotating when the swivel mount, drive the pearl in the fork and reciprocate.

Preferably, the clamping structure is a clamping ring protruding towards the axial direction or a plurality of clamping heads arranged around the ring surface of the middle beam at intervals. The clamping structure can be a clamping ring formed by punching towards the axis direction, and also can be a plurality of clamping heads which are formed by punching the edge of the bottom of the middle beam at intervals and are inwards sunken.

Preferably, the outer diameter of the middle beam is matched with that of the transposition seat. The middle bundle is sleeved outside the fork and shields the fork, the outer diameter of the middle bundle is matched with that of the rotary seat, namely the bottom edge of the middle bundle and the rotary seat are located in the same cylindrical surface, the connection part of the middle bundle and the rotary seat is prevented from being uneven, and the overall consistency is enhanced.

The production process of the middle bundle core comprises the following steps: step 1) processing stage: a) integrally forming a fork and a rotary seat by adopting a metal material, stamping a clamping groove between the fork and the rotary seat towards the axial direction of the fork, and processing an open groove, an upper limiting groove, a sliding groove and a lower limiting groove on the outer wall of the fork; b) forming a bead by adopting a metal material which is the same as that of the fork, forming a sliding block on the side wall of the bead by outwards stamping, processing external threads on the surface of the sliding block, processing a wire groove with three edges in tail connection on the side wall of the bead, forming a limiting bulge at the surrounding part of the wire groove, and turning the limiting bulge towards the axis direction of the bead; c) forming a middle bundle by using the same metal material as the fork, and processing a feed thread on the inner surface of the middle bundle; step 2) an assembly phase: aligning the sliding block to the sliding groove, inserting the beads into the fork, sleeving the middle bundle outside the fork, inwards punching the bottom of the middle bundle and the corresponding position of the clamping groove of the fork to form a clamping structure, and clamping the clamping structure into the clamping groove to finish assembly; wherein a), b) and c) are implemented according to any permutation and combination sequence.

The step 1) is a processing stage, namely, the fork and the swivel mount are processed by adopting metal materials in the process a), and an open slot, an upper limiting slot, a sliding slot and a lower limiting slot on the fork are convenient to process and form. Utilize b) process processing pearl, the pearl adopts the metal material the same with the fork, slider on the pearl can adopt the mode of punching press by pearl from inside to outside stamping forming, three edge wire grooves can be processed out to the mode that spacing arch on the pearl can adopt wire-electrode cutting or dashing groove, the part that three edge wire grooves center on is spacing arch promptly, extrude spacing arch to the pearl is interior, form the joint structure of slope, when lipstick inserts spacing bellying, spacing arch can just press outwards, after lipstick reachs the pearl bottom, spacing arch can be through self elasticity to axis direction resilience chucking lipstick, avoid the lipstick to deviate from. And c) processing the middle beam by using the metal material same as that of the fork in the process c), so that the processing of the feeding thread on the inner wall of the middle beam is facilitated. These three processes may be performed simultaneously or in any permutation and combination order. After step 1) is accomplished, with fork, well bundle and pearl assembly, accomplish step 2), utilize the open slot to expand the part of spout both sides outwards when the assembly, the pearl of being convenient for inserts in the fork, inserts the pearl bottommost with the pearl, then will well bundle cover in the fork outside, finally adopt the mode of punching press to form the snap ring, with the snap ring card in the draw-in groove of fork, realize the location of fork and well bundle.

Preferably, the metal material in a), b) and c) is aluminum or aluminum alloy. The metal material is aluminum or aluminum alloy, so that the whole weight is light and the wear resistance is higher.

Therefore, the middle bundle core and the production process thereof have the following advantages: the fork, the middle bundle and the beads can be made of the same material, and are not required to be disassembled during recovery, so that the fork, the middle bundle and the beads can be recovered uniformly. The external threads on the surface of the sliding block are matched with the feeding threads on the inner wall of the middle beam to drive the beads to move up and down in the fork, the abrasion degree of parts made of the same materials is the same, and the rotation and translation stability is higher.

Drawings

FIG. 1 is a schematic diagram of the present invention;

FIG. 2 is an axial cross-sectional view of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a schematic structural view of the fork of the present invention;

FIG. 5 is a schematic structural view of a bead according to the present invention;

FIG. 6 is a schematic view of the construction of the middle bundle in example 1 in the present invention;

fig. 7 is a schematic view of the construction of the middle bundle in embodiment 2 of the present invention.

Illustration of the drawings: 1-middle bundle, 2-fork, 3-bead, 4-rotary seat, 5-clamping groove, 6-snap ring, 7-upper limiting groove, 8-sliding groove, 9-lower limiting groove, 10-open groove, 11-sliding block, 12-external thread, 13-feeding thread, 14-guide arc, 15-limiting bulge and 16-clamping head.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings.