CN216609990U - A screw extruder for carrier tape production - Google Patents

Abstract

The utility model discloses a screw extruder for carrier tape production, which comprises support legs, a servo motor and spiral blade rods, wherein a workbench is fixed at the top ends of the support legs, the servo motor is installed on one side of the top end of the workbench, a speed reducer is installed on one side of the servo motor, a control plate is installed on one side of the speed reducer, the spiral blade rods are installed on the other side of the speed reducer, a shell is sleeved on the outer sides of the spiral blade rods, a cooling structure is arranged on one side of the shell, a feed hopper is fixed on one side of the top end of the shell, and shielding structures are arranged on two sides inside the feed hopper. The utility model discharges the air of the casing through the negative pressure fan, accelerates the flow velocity of the air in the casing, thereby accelerating the heat dissipation of the carrier tape in the casing, and simultaneously, the active carbon blocks adsorb the odor generated by heating the plastic, thereby realizing the rapid cooling function of the device and accelerating the heat dissipation of the carrier tape to the outside. The carrier tape is cooled and formed, and the odor generated by heating plastic is reduced, so that the functionality of the device is improved.

Description

A screw extruder for carrier tape production

technical field

The utility model relates to the technical field of carrier tape production, in particular to a screw extruder for carrier tape production.

Background technique

The carrier tape refers to a tape-shaped product used in the field of electronic packaging. It can be used to hold and place electronic components, which is convenient for the placement and processing of electronic components. This device is used to produce buttons on the carrier tape. It heats the plastic. Extrusion to solidify the plastic into a band-like fixation, so that the carrier tape is preliminarily formed;

China Patent Authorization Announcement No. CN213108136U, announced on May 4, 2021, discloses a screw extruder for polypropylene, including a motor, a reducer and a pulley; the motor and the reducer pass through the pulley. It also includes a screw, which is a long pipe with a spiral groove inside and is connected to the reducer; the screw is wrapped with a number of ceramic heating packs, and the gaps between the ceramic heating packs are also provided There is a support seat; the extrusion quality of the utility model is high, the labor intensity is effectively reduced, and the extrusion speed is improved;

The above-mentioned existing technical solutions have the following defects; in the above-mentioned technical solutions, when the device is in use, it has the defect of poor cooling effect, which makes the plastic extruded by the device too soft, which is prone to deformation, and bends and deforms the carrier tape, which affects the load. The processing size of the belt.

Utility model content

(1) Technical problems to be solved

The purpose of this utility model is to provide a screw extruder for carrier tape production, so as to solve the problem of poor cooling effect in the above-mentioned background art.

(2) Contents of utility model

In order to solve the above-mentioned technical problems, the present utility model provides the following technical solutions: a screw extruder for carrier tape production, comprising a support foot, a servo motor and a helical blade rod, the top of the support foot is fixed with a worktable, and the top of the worktable is A servo motor is installed on one side of the reducer, a reducer is installed on one side of the servo motor, a control board is installed on one side of the reducer, and a helical blade rod is installed on the other side of the reducer. The outer side of the rod is sleeved with a casing, an electric heating plate is installed on the outer side wall of the casing, a thermal insulation structure is arranged on the outer side of the casing, a template is fixed on one side of the inner casing, and the outer side of the casing is provided with a heat preservation structure. A cooling structure is provided on one side, a feeding hopper is fixed on one side of the top end of the casing, and shielding structures are provided on both sides inside the feeding hopper.

Using the screw extruder for carrier tape production of this technical solution, the feeding hopper introduces the plastic particles into the interior of the casing, so that the electric heating plate heats and melts the plastic particles, and the heat preservation structure reduces the heat loss of the device, and the servo motor drives the spiral blade rod Rotate to make the spiral blade stir and extrude the melted plastic through the template, the shielding structure seals the feeding hopper, and the cooling structure cools the carrier tape.

Preferably, the shielding structure includes a groove, a limit plate, a cover plate and a telescopic spring, the groove is fixed on one side of the inside of the feeding hopper, a telescopic spring is hinged on one side of the groove, and the telescopic spring The top of the cover is hinged with a cover plate, and the top of the cover plate is provided with a limit plate. By pressing the cover plate, the cover plate is turned down to open the feed hopper for discharging operation, and the cover plate is pushed upward by the compressed telescopic spring, so that the two sets of cover plates seal the feed hopper.

Preferably, a rotating structure is formed between the cover plate and the feed hopper, and the cover plates are symmetrically distributed on the vertical centerline of the feed hopper. Reduce the flipping range of a single set of covers by setting up two sets of covers.

Preferably, the thermal insulation structure includes aluminum foil, iron ring, rubber-plastic thermal insulation board and rock wool board, the rock wool board is fixed on the outer side wall of the shell, and the rubber-plastic thermal insulation board is fixed on the outer side wall of the rock wool board The inside of the rubber-plastic thermal insulation board is inserted with iron rings, and the outer side wall of the rubber-plastic thermal insulation board is fixed with aluminum foil. The heat dissipation of the shell to the outside is reduced by the rock wool board and the rubber-plastic insulation board, and the rubber-plastic insulation board is prevented from being exposed and weathered by the aluminum foil on the rubber-plastic insulation board.

Preferably, several groups of the iron rings are arranged inside the rubber-plastic thermal insulation board, and the several groups of iron rings are distributed at equal intervals inside the rubber-plastic thermal insulation board. The rubber-plastic insulation board is supported by the iron ring to prevent the rubber-plastic insulation board from being deformed by impact.

Preferably, the cooling structure includes a casing, an activated carbon block, a first wire mesh, a negative pressure fan and a second wire mesh, the casing is fixed on one side of the casing, and a second wire mesh is fixed inside the bottom end of the casing A negative pressure fan is fixed inside the casing, the top of the negative pressure fan is provided with a first wire mesh, and the top of the first wire mesh is provided with activated carbon blocks. The air is extracted by the negative pressure fan to accelerate the flow rate of the air inside the casing, accelerate the heat dissipation of the carrier belt inside the casing, and at the same time, the activated carbon block absorbs the odor generated by heating the plastic.

Preferably, the casing and the casing are in a welded integrated structure, and the activated carbon blocks are evenly distributed on the surface of the first wire mesh. By setting up a plurality of activated carbon blocks, the surface area of the activated carbon blocks is increased, which facilitates the adsorption of the activated carbon blocks.

(3) Beneficial effects

Compared with the prior art, the beneficial effects of the present utility model are: the screw extruder for the production of the carrier tape has a reasonable structure and has the following advantages:

(1) The air in the casing is discharged through the negative pressure fan, and the flow rate of the air inside the casing is accelerated, thereby accelerating the heat dissipation of the carrying belt inside the casing. The fast cooling function accelerates the heat dissipation of the carrier tape to the outside world. The carrier tape is cooled and formed, and the odor generated by the heated plastic is reduced at the same time, which improves the functionality of the device;

(2) By pressing the cover plate, the cover plate is turned down and the feeding hopper is opened for discharging operation, and the cover plate is pushed upward by the telescopic spring, so that the two sets of cover plates cover the feeding hopper and seal the feeding hopper , thereby realizing the shielding function of the feeding port of the device, preventing the odor generated by the heated plastic inside the device from being discharged through the shielding structure;

(3) The heat loss of the shell to the outside is reduced by connecting with the rubber-plastic insulation board, the outer side of the rubber-plastic insulation board is protected by aluminum foil, and the rubber-plastic insulation board is supported by the iron ring, thus realizing the thermal insulation of the device. function, reduce heat loss, and play a role in energy saving and environmental protection.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative efforts.

Fig. 1 is the front view sectional structure schematic diagram of the present utility model;

Fig. 2 is the side view structure schematic diagram of the utility model;

Fig. 3 is the front view sectional structure schematic diagram of the shielding structure of the utility model;

4 is a schematic diagram of a three-dimensional cross-sectional structure of the thermal insulation structure of the present invention;

FIG. 5 is a schematic view of the front cross-sectional structure of the cooling structure of the present invention.

Description of the reference signs in the figure: 1. feet; 2. worktable; 3. servo motor; 4. reducer; 5. feeding hopper; 6. shielding structure; 601, groove; 602, limit plate; , cover plate; 604, telescopic spring; 7, thermal insulation structure; 701, aluminum foil; 702, iron ring; 703, rubber and plastic insulation board; 704, rock wool board; 8, electric heating plate; 9, cooling structure; 901, casing 902, activated carbon block; 903, the first barbed wire; 904, the negative pressure fan; 905, the second barbed wire; 10, the template;

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described above are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Example 1

Please refer to FIGS. 1-5 , a screw extruder for carrier tape production provided by the present utility model includes a support foot 1, a servo motor 3 and a screw blade rod 11, the top of the support foot 1 is fixed with a workbench 2, and the top of the workbench 2 is fixed A servo motor 3 is installed on one side of the servo motor 3, a reducer 4 is installed on one side of the servo motor 3, a control board 13 is installed on one side of the reducer 4, and a spiral blade rod 11 is installed on the other side of the reducer 4. The outer side of the casing 11 is sleeved with a casing 12, an electric heating plate 8 is installed on the outer side wall of the casing 12, a thermal insulation structure 7 is arranged on the outer side of the casing 12, and a template 10 is fixed on one side of the inner side of the casing 12. A cooling structure 9 is provided on one side, a feeding hopper 5 is fixed on one side of the top of the casing 12, and a shielding structure 6 is provided on both sides inside the feeding hopper 5. The cooling structure 9 includes a casing 901, an activated carbon block 902, The first wire mesh 903, the negative pressure fan 904 and the second wire mesh 905, the casing 901 is fixed on one side of the casing 12, the second wire mesh 905 is fixed inside the bottom end of the casing 901, and the negative pressure fan is fixed inside the casing 901 904, the top of the negative pressure fan 904 is provided with a first wire mesh 903, and the top of the first wire mesh 903 is provided with activated carbon blocks 902. The surface of the wire mesh 903 is evenly distributed.

The working principle of the screw extruder for carrier tape production based on the first embodiment is: the plastic particles are introduced into the interior of the casing 12 through the feeding hopper 5, so that the electric heating plate 8 heats and melts the plastic particles, and the heat preservation structure 7 reduces the heat of the device. Dissipated, the screw blade rod 11 is driven to rotate by the servo motor 3, so that the screw blade rod 11 is stirred and the melted plastic is extruded through the template 10, the feeding hopper 5 is sealed by the shielding structure 6, and the carrier tape is cooled by the cooling structure 9. For cooling, by starting the negative pressure fan 904, the negative pressure fan 904 extracts the air through the top of the casing 901 and discharges it, accelerating the flow rate of the air inside the casing 901, accelerating the heat dissipation of the internal load of the casing 901, and the activated carbon block 902 is negative pressure. The air blown by the fan 904 is adsorbed to reduce the odor generated by heating the plastic.

Embodiment 2

This embodiment includes: the shielding structure 6 includes a groove 601, a limit plate 602, a cover plate 603 and a telescopic spring 604, the groove 601 is fixed on one side of the inside of the feeding hopper 5, and a telescopic spring is hinged on one side of the groove 601 604, and the top of the telescopic spring 604 is hinged with a cover plate 603, the top of the cover plate 603 is provided with a limit plate 602, a rotating structure is formed between the cover plate 603 and the feeding hopper 5, and the cover plate 603 is in the vertical center of the feeding hopper 5 Symmetrical distribution on the line.

In this embodiment, by pressing the cover plate 603, the cover plate 603 is turned down and the telescopic spring 604 is pushed down, so that the telescopic spring 604 is bent and folded to store the thrust. Open to perform the discharging operation, the compressed telescopic spring 604 is used for reset movement, and the cover plate 603 is pushed upside down, so that the two sets of cover plates 603 cover the feeding hopper 5 and seal the feeding hopper 5, and the limit plate 602 prevents the cover from being covered. Plate 603 is overturned.

Embodiment 3

This embodiment includes: the thermal insulation structure 7 includes an aluminum foil 701, an iron ring 702, a rubber-plastic thermal insulation board 703 and a rock wool board 704. The rock wool board 704 is fixed on the outer side wall of the housing 12, and the rock wool board 704 is fixed on the outer side wall. There is a rubber-plastic thermal insulation board 703 , an iron ring 702 is inserted into the inside of the rubber-plastic thermal insulation board 703 , and an aluminum foil 701 is fixed on the outer side wall of the rubber-plastic thermal insulation board 703 .

In this embodiment, since the rock wool board 704 has a rubber-plastic thermal insulation board 703 which is not convenient for heat transfer, the rock wool board 704 and the rubber-plastic thermal insulation board 703 wrap the casing 12 to reduce the heat loss from the casing 12 to the outside world. The outer side of the rubber-plastic insulation board 703 is protected to prevent the rubber-plastic insulation board 703 from being exposed and weathered, and the rubber-plastic insulation board 703 is supported by the iron ring 702 to prevent the rubber-plastic insulation board 703 from being deformed by impact.

In the description of the present invention, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Detachable connection, or integral connection; may be mechanical connection or electrical connection; may be direct connection, or indirect connection through an intermediate medium, or internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The device embodiments described above are only illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in One place, or it can be distributed over multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution in this embodiment. Those of ordinary skill in the art can understand and implement it without creative effort.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, but not to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions recorded in the foregoing embodiments, or to perform equivalent replacements to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit of the technical solutions of the embodiments of the present invention. and range.

Claims (7)

1. The utility model provides a screw extruder is used in production of carrier band, includes stabilizer blade (1), servo motor (3) and spiral leaf pole (11), its characterized in that: a workbench (2) is fixed at the top end of the support leg (1), and a servo motor (3) is installed on one side of the top end of the workbench (2);

a speed reducer (4) is installed on one side of the servo motor (3), a control plate (13) is installed on one side of the speed reducer (4), and a spiral blade rod (11) is installed on the other side of the speed reducer (4);

the outside cover of spiral blade pole (11) is equipped with casing (12), install electric plate (8) on the lateral wall of casing (12), the outside of casing (12) is provided with insulation construction (7), inside one side of casing (12) is fixed with template (10), one side of casing (12) is provided with cooling structure (9), one side on casing (12) top is fixed with feeder hopper (5), and the inside both sides of feeder hopper (5) all are provided with shelters from structure (6).

2. The screw extruder for carrier tape production according to claim 1, wherein: shelter from structure (6) including recess (601), limiting plate (602), apron (603) and expanding spring (604), one side at feeder hopper (5) inside is fixed in recess (601), one side of recess (601) articulates there is expanding spring (604), and the top of expanding spring (604) articulates there is apron (603), the top of apron (603) is provided with limiting plate (602).

3. The screw extruder for carrier tape production according to claim 2, wherein: constitute rotational structure between apron (603) and feeder hopper (5), apron (603) are the symmetric distribution on the perpendicular central line of feeder hopper (5).

4. The screw extruder for carrier tape production according to claim 1, wherein: insulation construction (7) include aluminium foil (701), hoop (702), rubber and plastic heated board (703) and rock wool board (704), rock wool board (704) are fixed on the lateral wall of casing (12), be fixed with rubber and plastic heated board (703) on the lateral wall of rock wool board (704), the inside of rubber and plastic heated board (703) is all inserted and is equipped with hoop (702), be fixed with aluminium foil (701) on the lateral wall of rubber and plastic heated board (703).

5. The screw extruder for carrier tape production according to claim 4, wherein: the iron rings (702) are arranged in the rubber and plastic heat insulation board (703) in a plurality of groups, and the iron rings (702) in the rubber and plastic heat insulation board (703) in the plurality of groups are distributed at equal intervals.

6. The screw extruder for carrier tape production according to claim 1, wherein: cooling structure (9) are including cover shell (901), activated carbon piece (902), first wire netting (903), negative pressure fan (904) and second wire netting (905), one side at casing (12) is fixed in cover shell (901), the inside of cover shell (901) bottom is fixed with second wire netting (905), the inside of cover shell (901) is fixed with negative pressure fan (904), the top of negative pressure fan (904) is provided with first wire netting (903), and the top of first wire netting (903) all is provided with activated carbon piece (902).

7. The screw extruder for carrier tape production according to claim 6, wherein: the casing (901) and the shell (12) are in a welding integrated structure, and the active carbon blocks (902) are uniformly distributed on the surface of the first wire mesh (903).

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