CN211334402U

CN211334402U - Automatic cutting device of notebook computer injection molding

Info

Publication number: CN211334402U
Application number: CN201922134850.1U
Authority: CN
Inventors: 陆韬; 严琳; 严建农; 朱庆其; 刘会开; 张新林; 姚会; 岳磊
Original assignee: Hefei Longrun Precision Manufacturing Co ltd
Current assignee: Hefei Longrun Precision Manufacturing Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-25
Anticipated expiration: 2029-12-03

Abstract

The utility model discloses an automatic cutting device for injection molding parts of notebook computers, which comprises a shell and a base, wherein a cam is arranged in the shell, a roller is arranged at the lower side of the cam, the lower end of the roller is fixedly connected with a fixed block, a limiting rod is fixedly arranged in the fixed block, a limiting block is arranged on the limiting rod, and a buffer spring is arranged at the lower side of the limiting block; the lower end of the fixed block is fixedly connected with the fixed column, the lower end of the fixed column penetrates through the shell to be fixedly connected with the cutter head, and the lower side of the cutter head is fixedly provided with a cutter; the tool apron is installed on the base, and the upper end of the base is fixedly connected with the shell through the installation column. This automatic cutting device of notebook computer injection molding has the injection molding of tool bit on through the cut-off knife of bottom to the blade holder and tailors the operation, replaces manual operation pressure handle, tailors the operation to the injection molding, improves the work efficiency of tailorring the device, uses manpower sparingly characteristics.

Description

Automatic cutting device of notebook computer injection molding

Technical Field

The utility model relates to an injection molding processing appurtenance technical field specifically is an automatic cutting device of notebook computer injection molding.

Background

When the injection molding piece of the notebook computer is produced, the injection molding piece needs to be cut, the injection molding piece processing sub-channel is a section of channel between the main channel and the feeding hole of the cavity, the injection molding piece processing sub-channel is a transition channel for the melt to flow into the cavity from the main channel, and the injection molding piece processing sub-channel is also a transition channel for changing the section of a pouring system and turning the flow of the melt; after the injection molding is finished, materials in the sub-runners are condensed to form a sub-runner line connected with the injection molding piece; before the injection molding piece enters the next production procedure, the shunt line needs to be removed; the traditional method for removing the shunt line is directly and manually broken off, but directly broken off, and one shunt line is needed, so that the efficiency is low; more seriously, the broken fracture is irregular, the appearance of the product is damaged, the quality of the product is reduced, and the method is not suitable for injection molding parts with high precision requirements; in order to solve the above-mentioned problems, the prior art discloses (application number: CN201520442536.9) a cutting device for the shunt line of injection molding parts, wherein it is proposed that "the driving mechanism is used to lower the cutter by pressing down the handle, so as to cut the shunt line of injection molding parts; the mode of "manual operation pressure handle cuts the operation to the injection molding, when injection molding figure is big, needs the artifical pressure handle that does not stop, improves staff's work load, and the efficiency of tailorring to the injection molding is lower simultaneously.

In order to overcome the defects existing in the current market, the technology of improving the cutting device of the injection molding piece is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming the defect that mentions in the background art, provide an automatic cutting device of notebook computer injection molding. Motor device, rack, cam and cut-off knife have the tool bit and cut out the operation through the cut-off knife of bottom to the injection molding on the blade holder, replace manual operation pressure handle, cut out the operation to the injection molding, improve the work efficiency of cutting out the device, the characteristics of using manpower sparingly.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic cutting device for injection-molded parts of a notebook computer comprises a shell and a base, wherein a cam is arranged in the shell, a roller is arranged on the lower side of the cam, the lower end of the roller is fixedly connected with a fixed block, a limiting rod is fixedly arranged in the fixed block, a limiting block is arranged on the limiting rod, and a buffer spring is arranged on the lower side of the limiting block; the lower end of the fixed block is fixedly connected with the fixed column, the lower end of the fixed column penetrates through the shell to be fixedly connected with the cutter head, and the lower side of the cutter head is fixedly provided with a cutter;

install the blade holder on the base, and the base upper end is through erection column and casing fixed connection, and fixed column right side fixed mounting has the locating piece, and casing bottom fixed mounting has the constant head tank, and motor device passes through the frame to be fixed inside the casing, and cam internally mounted has the fixed plate, and is connected through the upper end of bearing with fixed axostylus axostyle on the fixed plate, and the lower extreme of fixed axostylus axostyle passes the installation bearing simultaneously and passes through the bearing to be fixed on the lateral wall of casing.

Preferably, the cam is matched with the roller in size, and a rack is fixedly arranged in the cam.

Preferably, the rack inside the cam is matched with the transmission gear in size, the rack is meshed with the transmission gear, and a rod body of the transmission gear is fixedly connected with a rotor of the motor device through a coupler.

Preferably, the cam is divided into two groups by a fixing plate, the transmission gear is arranged on the upper side of the fixing plate, and the fixing shaft rod is arranged on the lower side of the fixing plate.

Preferably, the roller is in contact connection with the cam, and the roller, the fixed block and the fixed column are of lifting structures.

Preferably, stopper fixed mounting is on the lateral wall of casing, and stopper inside set up with the spacing hole of gag lever post looks adaptation, and the gag lever post is pegged graft in spacing hole simultaneously, and buffer spring has been cup jointed to the gag lever post downside, and buffer spring sets up the downside at the stopper.

Preferably, the sizes of the positioning groove and the positioning block are matched, and two sides of the fixing column are connected in the positioning groove in a sliding mode through the positioning block.

Preferably, the fixed shaft lever and the inner wall of the cam are fixed through fixed rods and mounting bearings, the fixed rods are arranged into four groups, and the angle between every two adjacent groups of fixed rods is 90 degrees.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the fixed column is in sliding connection with the inside of the positioning groove through the positioning blocks on the two sides, and the fixed column moving vertically is limited and guided, so that the stability of the cut-off knife during working is ensured;

2. the limiting rod is inserted with a limiting block to limit and guide the vertically moving fixing block;

3. the operation is tailor to the injection molding on the blade holder to the cut-off knife of tool bit through the bottom, replaces manual operation pressure handle, tailors the operation to the injection molding, improves the work efficiency of tailorring the device, uses manpower sparingly.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is a top view of the interior of the structural shell of the present invention;

FIG. 4 is a schematic view of the structure fixing rod, the fixing shaft rod and the mounting bearing of the present invention;

FIG. 5 is a schematic view of the cam and roller of the present invention;

fig. 6 is a schematic sectional view of the structure fixing block of the present invention.

Reference numbers in the figures: 1. a housing; 2. a cam; 3. a transmission gear; 4. a roller; 5. a fixed block; 6. a limiting rod; 7. a limiting block; 8. a buffer spring; 9. positioning a groove; 10. positioning blocks; 11. fixing a column; 12. a cutter head; 13. a cutter; 14. a tool apron; 15. a base; 16. a fixing plate; 17. fixing the rod; 18. fixing the shaft lever; 19. mounting a bearing; 20. a motor device; 21. a rack.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: an automatic cutting device for injection molded parts of a notebook computer comprises a shell 1 and a base 15, wherein a cam 2 is installed inside the shell 1, a roller 4 is installed on the lower side of the cam 2, the lower end of the roller 4 is fixedly connected with a fixing block 5, the cam 2 is matched with the roller 4 in size, and a rack 21 is fixedly installed inside the cam 2; a rack 21 in the cam 2 is matched with the transmission gear 3 in size, the rack 21 is meshed with the transmission gear 3, and a rod body of the transmission gear 3 is fixedly connected with a rotor of the motor device 20 through a coupler; the interior of the cam 2 is divided into two groups by a fixing plate 16, the transmission gear 3 is arranged on the upper side of the fixing plate 16, and the fixing shaft lever 18 is arranged on the lower side of the fixing plate 16; a limiting rod 6 is fixedly arranged in the fixed block 5, a limiting block 7 is arranged on the limiting rod 6, and a buffer spring 8 is arranged on the lower side of the limiting block 7; the limiting block 7 is fixedly arranged on the side wall of the shell 1, a limiting hole matched with the limiting rod 6 is formed in the limiting block 7, the limiting rod 6 is inserted into the limiting hole, a buffer spring 8 is sleeved on the lower side of the limiting rod 6, and the buffer spring 8 is arranged on the lower side of the limiting block 7; the lower end of the fixing block 5 is fixedly connected with a fixing column 11, the lower end of the fixing column 11 penetrates through the shell 1 to be fixedly connected with a cutter head 12, and a cutter 13 is fixedly mounted on the lower side of the cutter head 12; the roller 4 is in contact connection with the cam 2, and the roller 4, the fixed block 5 and the fixed column 11 are of lifting structures; the positioning groove 9 is matched with the positioning block 10 in size, and two sides of the fixing column 11 are slidably connected inside the positioning groove 9 through the positioning block 10; a cutter holder 14 is arranged on the base 15, the upper end of the base 15 is fixedly connected with the shell 1 through a mounting column, a positioning block 10 is fixedly arranged on the right side of a fixing column 11, a positioning groove 9 is fixedly arranged at the bottom of the shell 1, the motor device 20 is fixed in the shell 1 through a base, a fixing plate 16 is arranged in the cam 2, the fixing plate 16 is connected with the upper end of a fixing shaft lever 18 through a bearing, and meanwhile, the lower end of the fixing shaft lever 18 penetrates through a mounting bearing 19 and is fixed on the side wall of the shell 1 through a bearing; the fixed shaft lever 18 and the inner wall of the cam 2 are fixed through the fixed rods 17 and the mounting bearings 19, the fixed rods 17 are arranged into four groups, and the angle between two adjacent groups of the fixed rods 17 is 90 degrees;

as shown in fig. 1: when the fixed column 11 drives the cut-off knife 13 to cut an injection molding piece, the fixed column 11 is connected in the positioning groove 9 in a sliding mode through the positioning blocks 10 on the two sides, the fixed column 11 moving vertically is limited and guided, and the stability of the cut-off knife 13 in working time is guaranteed; the motor device 20 is of the type JSS57P 2N;

as shown in fig. 1-5: when the cam 2 rotates, the inner part of the cam is installed in the shell 1 through the fixed shaft lever 18, meanwhile, the outer side of the fixed shaft lever 18 is provided with the installation bearing 19, and the installation bearing 19 is connected inside the cam 2 through four groups of fixed rods 17, so that the stability of the cam 2 in working time is ensured.

When the automatic cutting device for the injection molded parts of the notebook computer is used, a power switch of a motor device 20 is turned on, the rotation of the motor device 20 drives a transmission gear 3 to rotate, the transmission gear 3 drives a cam 2 to rotate through a rack 21, a convex block on the cam 2 is contacted with a roller 4, so that a fixed block 5 and a fixed column 11 move downwards, a limiting block 7 is inserted on a limiting rod 6, the vertically moving fixed block 5 is limited and guided, a cutter head 12 and a cutter 13 move downwards, the cutter head 12 cuts the injection molded parts on a cutter seat 14 through the cutter 13 at the bottom, a manual operation pressing handle is replaced, the injection molded parts are cut, the working efficiency of the cutting device is improved, and the labor is saved; the automatic cutting device for the notebook computer injection molded parts is the whole working process of the automatic cutting device for the notebook computer injection molded parts.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic cutting device of notebook computer injection molding, includes casing (1) and base (15), its characterized in that: the cam (2) is installed inside the shell (1), the roller (4) is installed on the lower side of the cam (2), the lower end of the roller (4) is fixedly connected with the fixing block (5), the limiting rod (6) is fixedly installed inside the fixing block (5), the limiting block (7) is installed on the limiting rod (6), and the buffer spring (8) is arranged on the lower side of the limiting block (7); the lower end of the fixing block (5) is fixedly connected with the fixing column (11), the lower end of the fixing column (11) penetrates through the shell (1) to be fixedly connected with the cutter head (12), and a cutter (13) is fixedly mounted on the lower side of the cutter head (12);

install blade holder (14) on base (15), and base (15) upper end is through erection column and casing (1) fixed connection, fixed column (11) right side fixed mounting has locating piece (10), and casing (1) bottom fixed mounting has constant head tank (9), motor device (20) are fixed inside casing (1) through the frame, cam (2) internally mounted has fixed plate (16), and be connected with the upper end of fixed axostylus axostyle (18) through the bearing on fixed plate (16), the lower extreme of fixed axostylus axostyle (18) passes installation bearing (19) simultaneously and fixes on the lateral wall of casing (1) through the bearing.

2. The automatic cutting device for the injection-molded parts of the notebook computer, according to claim 1, is characterized in that: the size of cam (2) and gyro wheel (4) looks adaptation, and inside fixed mounting of cam (2) has rack (21).

3. The automatic cutting device for the injection-molded parts of the notebook computer, according to claim 1, is characterized in that: the rack (21) in the cam (2) is matched with the transmission gear (3) in size, the rack (21) is meshed with the transmission gear (3), and the rod body of the transmission gear (3) is fixedly connected with the rotor of the motor device (20) through the coupler.

4. The automatic cutting device for the injection-molded parts of the notebook computer, according to claim 1, is characterized in that: the cam (2) is divided into two groups by a fixing plate (16), the transmission gear (3) is arranged on the upper side of the fixing plate (16), and the fixing shaft lever (18) is arranged on the lower side of the fixing plate (16).

5. The automatic cutting device for the injection-molded parts of the notebook computer, according to claim 1, is characterized in that: the roller (4) is in contact connection with the cam (2), and the roller (4), the fixed block (5) and the fixed column (11) are of lifting structures.

6. The automatic cutting device for the injection-molded parts of the notebook computer, according to claim 1, is characterized in that: stopper (7) fixed mounting is on the lateral wall of casing (1), and stopper (7) inside offer with the spacing hole of gag lever post (6) looks adaptation, and gag lever post (6) are pegged graft in spacing hole simultaneously, and buffer spring (8) have been cup jointed to gag lever post (6) downside, and buffer spring (8) set up the downside at stopper (7).

7. The automatic cutting device for the injection-molded parts of the notebook computer, according to claim 1, is characterized in that: the positioning groove (9) is matched with the positioning block (10) in size, and two sides of the fixing column (11) are connected inside the positioning groove (9) in a sliding mode through the positioning block (10).

8. The automatic cutting device for the injection-molded parts of the notebook computer, according to claim 1, is characterized in that: the fixing shaft lever (18) and the inner wall of the cam (2) are fixed through fixing rods (17) and mounting bearings (19), the fixing rods (17) are set into four groups, and the angle between every two adjacent groups of fixing rods (17) is 90 degrees.