CN219078583U

CN219078583U - Lead frame multi-row synchronous stamping-free pretreatment unreeling device

Info

Publication number: CN219078583U
Application number: CN202223333797.6U
Authority: CN
Inventors: 夏树平; 罗冠瑞
Original assignee: Suzhou Xingshengke Semiconductor Material Co ltd
Current assignee: Suzhou Xingshengke Semiconductor Material Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-05-26
Anticipated expiration: 2032-12-12

Abstract

The utility model provides a lead frame multi-row synchronous stamping-free pretreatment unreeling device, which relates to the technical field of exposure processing and comprises the following components: the number of the brackets is two, universal wheels are symmetrically and fixedly connected to the lower surfaces of the two brackets, and a bottom plate is fixedly connected between the upper surfaces of the two brackets; unreeling the subassembly, unreel the subassembly and include the installation piece, fixed surface is connected with the motor behind the installation piece, motor output and installation piece slip run through, motor output fixedly connected with carousel, fixed surface is connected with first pivot before the carousel. According to the utility model, through the arrangement of the unreeling component, the motor-driven telescopic rod is started to enable the supporting plates to synchronously operate so as to fix the raw materials on the supporting frame, and the starting motor can drive the raw materials to rotate so as to unreel, so that the problem that a certain loss exists in unreeling of the raw materials by using the punching machine in the background technology is solved, and the production yield of lead frame products is improved.

Description

Lead frame multi-row synchronous stamping-free pretreatment unreeling device

Technical Field

The utility model relates to the technical field of exposure processing, in particular to a lead frame multi-row synchronous stamping-free pretreatment unreeling device.

Background

An exposure machine refers to a machine device that transfers image information on a film or other transparent body to a surface coated with a photosensitive substance by turning on light to emit ultraviolet rays of UVA wavelength.

In the prior art, before the coiled raw materials are sent into an exposure machine, punching equipment is needed to punch holes on the raw materials and then unreel the raw materials so as to conveniently position the raw materials, but the currently used PRT machine is positioned through an automatic positioning device during exposure production, punching holes are not used, punching production operation can not be carried out, the existing PRT exposure machine does not have an unreeling device which is used independently, unreeling the raw materials by using a punching machine is still needed, certain loss is caused when the raw materials pass through the punching machine, and the production yield of lead frame products is reduced.

Disclosure of Invention

The utility model aims to solve the problems that punching equipment is needed to punch a rolled raw material and then unreel the raw material so as to conveniently position the raw material before the rolled raw material is fed into an exposure machine in the prior art, but the currently used PRT machine is used for positioning through an automatic positioning device during exposure production, punching holes are not used, punching production operation can not be carried out, the existing PRT exposure machine does not have a separately used unreeling device, a punching machine is still needed to unreel the raw material, certain loss is caused when the raw material passes through the punching machine, and the production yield of lead frame products is reduced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a multi-column synchronous stamping-free pretreatment unreeling device for a lead frame, comprising: the number of the brackets is two, universal wheels are symmetrically and fixedly connected to the lower surfaces of the two brackets, and a bottom plate is fixedly connected between the upper surfaces of the two brackets; unreeling the subassembly, unreel the subassembly and include the installation piece, fixed surface is connected with the motor behind the installation piece, motor output and installation piece slip run through, motor output fixedly connected with carousel, fixed surface has first pivot before the carousel, a plurality of support frames of even fixedly connected with of first pivot surface.

Preferably, the electric telescopic rod is fixedly connected to the center of the bottom in the support frame, the supporting plate is fixedly connected to the upper surface of the electric telescopic rod, a rubber pad is adhered to the upper surface of the supporting plate, after coiled raw materials are placed on the support frame, the electric telescopic rod is started to stretch to drive the supporting plate to move outwards, the supporting plate can apply force to the inner wall of the raw materials, so that the raw materials can be fixed on the support frame, the rubber pad can play a role in reducing abrasion, and defective products are avoided.

Preferably, the inner surface of the support frame is symmetrically provided with sliding grooves, the inner surfaces of the sliding grooves are both connected with sliding strips in a sliding manner, the sliding strips are fixedly connected with the supporting plates, and when the supporting plates move, the supporting plates can move along the sliding grooves through the connection of the sliding strips, so that the limiting effect on the moving track of the supporting plates is achieved.

Preferably, bottom symmetry fixedly connected with driven telescopic link in the support frame, two driven telescopic link up end all with fagging lower surface fixed connection, when electric telescopic link drives the fagging and removes, the setting of driven telescopic link can play the supporting role to the both sides of fagging, has promoted the stability that the fagging removed.

Preferably, a plurality of limit baffles are uniformly and fixedly connected to the front surface of the turntable, and the limit baffles can play a limit role when raw materials are placed on the outer side of the support frame and pushed inwards.

Preferably, the front surface of the mounting block is rotationally connected with a second rotating shaft, the outer surface of the second rotating shaft is fixedly connected with a guide roller, and the cooperation setting of the second rotating shaft and the guide roller can play a role in guiding and limiting the raw materials which are output outwards.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, through the arrangement of the unreeling component, the motor-driven telescopic rod is started to enable the supporting plates to synchronously operate so as to fix the raw materials on the supporting frame, and the starting motor can drive the raw materials to rotate so as to unreel, so that the problem that a certain loss exists in unreeling of the raw materials by using the punching machine in the background technology is solved, and the production yield of lead frame products is improved.

2. According to the utility model, the second rotating shaft and the guide roller are matched to play a role in guiding and limiting the raw materials which are output outwards, so that the raw materials after unreeling can be further processed conveniently.

Drawings

Fig. 1 is a perspective view showing a multi-column synchronous non-punching pretreatment unreeling device for lead frames according to the present utility model;

fig. 2 is a rear view of a lead frame multi-row synchronous no-punch pretreatment unreeling device according to the present utility model;

fig. 3 is a schematic diagram of an unreeling assembly of a multi-row synchronous non-punching pretreatment unreeling device of the present utility model;

fig. 4 is a schematic diagram of an unreeling assembly of a multi-row synchronous non-punching pretreatment unreeling device of the present utility model.

Legend description: 1. a bracket; 2. a universal wheel; 3. a bottom plate; 4. unreeling the assembly; 401. a mounting block; 402. a motor; 403. a turntable; 404. a limit baffle; 405. a first rotating shaft; 406. a support frame; 407. an electric telescopic rod; 408. a chute; 409. a slide bar; 410. a supporting plate; 411. a rubber pad; 412. a driven telescopic rod; 5. a second rotating shaft; 6. and (5) guiding the roller.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Referring to fig. 1-4, the present utility model provides a technical solution: a multi-column synchronous stamping-free pretreatment unreeling device for a lead frame, comprising: the number of the brackets 1 is two, universal wheels 2 are symmetrically and fixedly connected to the lower surfaces of the two brackets 1, and a bottom plate 3 is fixedly connected between the upper surfaces of the two brackets 1; unreeling assembly 4, unreeling assembly 4 includes installation piece 401, and installation piece 401 rear surface fixedly connected with motor 402, motor 402 output and installation piece 401 slip run through, and motor 402 output fixedly connected with carousel 403, carousel 403 front surface fixedly connected with first pivot 405, a plurality of support frames 406 of even fixedly connected with of first pivot 405 surface.

As shown in fig. 4, an electric telescopic rod 407 is fixedly connected to the center of the inner bottom of the supporting frame 406, a supporting plate 410 is fixedly connected to the upper surface of the electric telescopic rod 407, a rubber pad 411 is adhered to the upper surface of the supporting plate 410, after a coiled raw material is placed on the supporting frame 406, the electric telescopic rod 407 is started to stretch to drive the supporting plate 410 to move outwards, the supporting plate 410 can apply force to the inner wall of the raw material, so that the raw material can be fixed on the supporting frame 406, the rubber pad 411 can play a role in reducing abrasion, and defective products are avoided.

As shown in fig. 4, the inner surfaces of the supporting frames 406 are symmetrically provided with sliding grooves 408, the inner surfaces of the two sliding grooves 408 are both slidably connected with sliding strips 409, the two sliding strips 409 are fixedly connected with the supporting plates 410, and when the supporting plates 410 move, the supporting plates 410 move along the sliding grooves 408 through the connection of the sliding strips 409, so that the movement track of the supporting plates 410 is limited.

As shown in fig. 4, the bottom in the supporting frame 406 is symmetrically and fixedly connected with the driven telescopic rods 412, the upper end surfaces of the two driven telescopic rods 412 are fixedly connected with the lower surface of the supporting plate 410, and when the electric telescopic rods 407 drive the supporting plate 410 to move, the arrangement of the driven telescopic rods 412 can play a supporting role on two sides of the supporting plate 410, so that the moving stability of the supporting plate 410 is improved.

As shown in fig. 2, the front surface of the turntable 403 is uniformly and fixedly connected with a plurality of limit baffles 404, and the limit baffles 404 can play a limit role when raw materials are placed on the outer side of the supporting frame 406 and pushed inwards.

As shown in fig. 1, the front surface of the mounting block 401 is rotatably connected with a second rotating shaft 5, the outer surface of the second rotating shaft 5 is fixedly connected with a guide roller 6, and the cooperation arrangement of the second rotating shaft 5 and the guide roller 6 can play a role in guiding and limiting raw materials output outwards.

The application method and the working principle of the device are as follows: the setting of universal wheel 2 can play the effect that convenient movable support 1 used to different positions, when unreeling the processing to the raw and other materials, put the raw and other materials of lapping on support frame 406 back, start electric telescopic handle 407 extension and can drive fagging 410 and outwards remove, fagging 410 can be applied force to the inner wall of raw and other materials, thereby can fix the raw and other materials on support frame 406, the setting of rubber pad 411 can play the effect of reducing wearing and tearing, avoid producing the defective products, fagging 410 can remove along spout 408 through the connection of draw runner 409, the limiting effect has been played to the removal orbit of fagging 410, the setting of driven telescopic handle 412 can play the supporting role to the both sides of fagging 410, promoted the stability that fagging 410 removed, accomplish the fixed back to the raw and other materials, starter motor 402 can drive the raw and other materials through the connection of carousel 403 rotation of first pivot 405, the harmless unreeling of raw and other materials has been accomplished, the defective rate has been reduced, the cooperation setting of second pivot 5 and guide roller 6 can play the outside raw and other materials that export.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A multi-column synchronous stamping-free pretreatment unreeling device for a lead frame, which is characterized by comprising:

the device comprises two brackets (1), wherein the number of the brackets (1) is two, universal wheels (2) are symmetrically and fixedly connected to the lower surfaces of the two brackets (1), and a bottom plate (3) is fixedly connected between the upper surfaces of the two brackets (1);

unreeling subassembly (4), unreel subassembly (4) including installation piece (401), fixed surface is connected with motor (402) behind installation piece (401), motor (402) output and installation piece (401) slip run through, motor (402) output fixedly connected with carousel (403), surface fixedly connected with first pivot (405) before carousel (403), a plurality of support frames (406) of even fixedly connected with of first pivot (405) surface.

2. The lead frame multi-column synchronous stamping-free pretreatment unreeling device of claim 1, wherein: an electric telescopic rod (407) is fixedly connected to the center of the inner bottom of the supporting frame (406), a supporting plate (410) is fixedly connected to the upper surface of the electric telescopic rod (407), and a rubber pad (411) is adhered to the upper surface of the supporting plate (410).

3. The lead frame multi-column synchronous stamping-free pretreatment unreeling device of claim 2, wherein: sliding grooves (408) are symmetrically formed in the inner surfaces of the supporting frames (406), sliding strips (409) are slidably connected to the inner surfaces of the two sliding grooves (408), and the two sliding strips (409) are fixedly connected with the supporting plates (410).

4. The lead frame multi-column synchronous stamping-free pretreatment unreeling device of claim 2, wherein: the inner bottoms of the supporting frames (406) are symmetrically and fixedly connected with driven telescopic rods (412), and the upper end faces of the two driven telescopic rods (412) are fixedly connected with the lower surface of the supporting plate (410).

5. The lead frame multi-column synchronous stamping-free pretreatment unreeling device of claim 1, wherein: the front surface of the turntable (403) is uniformly and fixedly connected with a plurality of limit baffles (404).

6. The lead frame multi-column synchronous stamping-free pretreatment unreeling device of claim 1, wherein: the front surface of the mounting block (401) is rotatably connected with a second rotating shaft (5), and the outer surface of the second rotating shaft (5) is fixedly connected with a guide roller (6).