CN219007079U

CN219007079U - Injection molding buckling auxiliary device

Info

Publication number: CN219007079U
Application number: CN202320596453.XU
Authority: CN
Inventors: 李金田; 徐品智; 任庆磊
Original assignee: Gettop Acoustic Co Ltd
Current assignee: Gettop Acoustic Co Ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-05-12
Anticipated expiration: 2033-03-24

Abstract

The utility model provides an injection molding buckling auxiliary device, which belongs to the technical field of mechanical equipment, wherein a body is arranged on a fixed seat; the sliding rod is arranged on one side of the fixed seat, the buckling rod is arranged on the other side of the fixed seat, and the sliding rod and the buckling rod do reciprocating motion along the length direction of the sliding rod and the buckling rod; the end part of the sliding rod, which is close to the buckling piece, is provided with a bearing, and when the sliding rod pushes the buckling piece, the outer ring of the bearing rolls on the buckling piece; the body is fixed on the positioning groove, one side of the positioning groove is provided with a limiting block, the sliding rod is arranged on one side of the fixed seat, the sliding rod pushes the overturning buckling piece to the body fixedly arranged in the positioning groove, when the sliding rod moves to reach the limit position, the bending overturning process is completed, and the sliding rod returns to the initial position; the buckling rod is utilized to continuously apply external force to the buckling piece, the force application direction of the buckling rod faces to the limiting block, and the buckling body and the buckling piece are buckled into a whole under the action of the buckling rod and the limiting block.

Description

Injection molding buckling auxiliary device

Technical Field

The utility model relates to the technical field of speakers, in particular to an injection molding buckling auxiliary device.

Background

In the injection molding piece, as shown in fig. 1, the buckling piece needs to be buckled on the body in the use process, and the buckling piece and the body are connected through a bayonet, so that the torque peak value of the buckling force is 20N, and the stability of the injection molding piece is maintained; the rotating angle of the buckling piece is larger than 180 degrees in the buckling process, the buckling travel is larger, and the buckling success rate of common equipment is lower; the injection molding part is produced in batches in actual production, and the production period is long; after the injection molding is buckled, the surface roughness requirement is higher, and scratches and auxiliary materials attached to the body are not allowed to be damaged.

Therefore, there is a need for a snap assist device that is efficient and does not leave scratches on the surface of the injection molded part.

Disclosure of Invention

In view of this, the present utility model proposes to use the sliding rod and the fastening rod to complete the fastening between the body and the fastening member; the bearing is used for contacting the buckling piece, so that scratches are avoided.

The technical scheme of the utility model is realized as follows: the injection molding piece buckling auxiliary device comprises a fixed seat, wherein a body and buckling pieces are arranged on the fixed seat, the injection molding piece buckling auxiliary device further comprises a sliding rod and buckling rods, the sliding rod pushes the buckling pieces to bend towards the direction close to the body, and the buckling pieces which are bent are buckled on the body by the buckling rods; the sliding rod is arranged on one side of the fixed seat, the buckling rod is arranged on the other side of the fixed seat, and the sliding rod and the buckling rod do reciprocating motion along the length direction of the sliding rod and the buckling rod;

the end of the sliding rod, which is close to the buckling piece, is provided with a bearing, and when the sliding rod pushes the buckling piece, the outer ring of the bearing rolls on the buckling piece.

On the basis of the technical scheme, preferably, the fixing seat is provided with a positioning groove, a limiting block and a through groove, the through groove extends to the limiting block from one side of the fixing seat away from the limiting block, the positioning groove is communicated with the through groove, and the positioning groove is closely arranged on the limiting block.

On the basis of the technical scheme, preferably, one end of the buckling rod is arranged in the through groove.

On the basis of the technical scheme, preferably, the buckling rod is provided with a buckling overpressure part.

On the basis of the technical scheme, the sliding rod is preferably arranged on one side of the limiting block.

On the basis of the technical scheme, preferably, the fixing seat is further provided with a sliding groove, the sliding groove is arranged on one side of the limiting block, and one end of the sliding rod, provided with the bearing, is arranged in the sliding groove.

On the basis of the technical scheme, preferably, the sliding rod and the buckling rod are in the same plane, and the sliding rod is not parallel to the buckling rod.

On the basis of the technical scheme, the sliding rod is preferably further provided with a first power device, the first power device is connected with the sliding rod, and the first power device drives the sliding rod to reciprocate along the length direction of the sliding rod; the first power device is an air cylinder, a hydraulic cylinder or a linear motor.

On the basis of the technical scheme, the novel lock rod is preferably further provided with a second power device, wherein the second power device is connected with the lock rod and drives the lock rod to do reciprocating motion along the length direction of the lock rod; the second power device is an air cylinder, a hydraulic cylinder or a linear motor.

On the basis of the technical scheme, the novel hydraulic pressure control device is characterized by preferably further comprising a third power device and a pressure rod, wherein the pressure rod is arranged on one side, away from the fixed seat, of the body, the third power device is connected with one end, away from the body, of the pressure rod, and the third power device drives the pressure rod to be close to or far away from the fixed seat.

Compared with the prior art, the injection molding piece buckling auxiliary device has the following beneficial effects:

the body is fixed on the positioning groove, one side of the positioning groove is provided with a limiting block, the limiting block is used for limiting the position of the body, a sliding rod is added for bending and overturning the buckling piece, the buckling rod continuously applies external force to the buckling piece, and the buckling body and the buckling piece are buckled into a whole under the action of the buckling rod and the limiting block; the outer ring of the bearing rolls on the buckling piece, the sliding rod is driven by the first power device to contact with the buckling piece through the outer ring of the bearing, rolling friction is generated between the outer ring of the bearing and the buckling piece, friction force is small, and the probability of leaving scratches on the buckling piece in the buckling process is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of an injection molded article of the present utility model;

FIG. 2 is a perspective view of an injection molding fastening assisting device according to the present utility model;

FIG. 3 is a top view of FIG. 2 in accordance with the present utility model;

FIG. 4 is a perspective view of the partial structure of FIG. 2 of the present utility model;

FIG. 5 is a schematic view of the partial structure of FIG. 2 according to the present utility model;

FIG. 6 is an enlarged view of a portion of FIG. 5 in accordance with the present utility model;

fig. 7 is a perspective view of the fixing base of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will clearly and fully describe the technical aspects of the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

As shown in fig. 1-7, an injection molding fastening auxiliary device, as shown in fig. 1, the injection molding 1 comprises a body 11 and a fastening piece 12, the body 11 and the fastening piece 12 are fastened into a whole through a bayonet, and in order to improve the fastening efficiency, the auxiliary device is developed to reduce the defective rate of the fastening process.

The buckling process is divided into a buckling and overturning process of the buckling piece 12 and a buckling and overturning process, wherein the buckling and overturning process is to buckle the buckling piece 12 by a large angle until the buckling piece is close to the body 11, and the buckling process is to extrude the buckling piece 12 close to the body 11 through external force, so that the buckling piece 12 and the buckling piece are clamped into a whole through a bayonet.

In order to realize the above process, the body 11 needs to be fixed, this embodiment provides a fixing seat 2 for fixing the body 11, as shown in fig. 2-7, a positioning groove 21, a limiting block 22, a through groove 23 and a sliding groove 24 are arranged on the fixing seat 2, the through groove 23 extends to the limiting block 22 from one side of the fixing seat 2 away from the limiting block 22, the positioning groove 21 is communicated with the through groove 23, and the positioning groove 21 is arranged close to the limiting block 22; the slide groove 24 is provided at one side of the stopper 22.

Bending and overturning processes: the body 11 is fixed on the constant head tank 21, and constant head tank 21 one side is stopper 22, and stopper 22 is used for restricting the position of body 11, in order to buckle upset buckling pieces 12, has increased slide bar 31, wherein slide bar 31 sets up in constant head tank 21 one side, and slide bar 31 promotes buckling pieces 12 that are buckled upset to the body 11 of fixed setting in constant head tank 21, and when slide bar 31 motion reaches extreme position, buckling upset process completion.

Because the contact position of the sliding rod 31 and the buckling piece 12 is always changed in the process of pushing the buckling piece 12 by the sliding rod 31, scratches are inevitably left on the buckling piece 12 in the moving process of the sliding rod 31, in order to avoid the scratches left on the surface of the buckling piece 12, a bearing 32 is arranged at the end part of the sliding rod 31, which is close to the buckling piece 12, the inner ring of the bearing 32 is fixedly arranged on the sliding rod 31 through a fixing rod, the plane where the rotating direction of the bearing 32 is located is parallel to the plane where the sliding rod 31 moves back and forth, when the sliding rod 31 pushes the buckling piece 12 to bend and overturn, the outer ring of the bearing 32 rolls on the buckling piece 12, the sliding rod 31 is driven by a first power device 5 to contact the surface of the buckling piece 12 through the outer ring of the bearing 32, rolling friction is generated between the outer ring of the bearing 32 and the buckling piece 12, and the friction force is small, so that the risk of the scratches left on the surface of the buckling piece 12 in the buckling and overturning process of the sliding rod 31 is reduced.

The buckling process comprises the following steps: after the bending and overturning process is completed, the buckling rod 41 moves towards the buckling piece 12, external force is continuously applied to the buckling piece 12, the force application direction of the buckling rod 41 faces towards the limiting block 22, and the buckling body 11 and the buckling piece 12 are buckled into a whole under the action of the buckling rod 41 and the limiting block 22.

The reciprocating movement of the slide bar 31 and the locking bar 41 along their own length requires power from a power unit. In order to realize the bending and overturning of the buckling piece 12 of the sliding rod 31, a first power device 5 is added, the first power device 5 is connected with the sliding rod 31, the first power device 5 drives the sliding rod 31 to do reciprocating motion along the length direction of the sliding rod 31, and when the sliding rod 31 is bent under the action of the first power device 5 and overturned towards the body 11, the bending and overturning process is completed; as is apparent from the above description, the first power device 5 may be any one of a cylinder, a hydraulic cylinder, and a linear motor.

In order to realize the buckling process, a second power device 6 is added, the second power device 6 is connected with the buckling rod 41, the second power device 6 drives the buckling rod 41 to do reciprocating motion along the length direction of the buckling rod 41, and when the buckling rod 41 pushes the buckling piece 12 to continuously apply external force to the body 11, the buckling piece 12 is buckled on the body 11; as is apparent from the above description, the second power unit 6 may be any one of a cylinder, a hydraulic cylinder, and a linear motor.

As can be seen from the above description of the bending and overturning process and the fastening process, the sliding rod 31 and the fastening rod 41 are easily separated from the positioning groove 21 under the driving of the first power device 5 and the second power device 6, so that the fastening of the fastening member 12 and the body 11 cannot be completed due to failure of the above process. Therefore, a third power device 7 and a pressing rod 71 are added, the pressing rod 71 is arranged on one side of the body 11 far away from the fixed seat 2, the third power device 7 is connected with one end of the pressing rod 71 far away from the body 11, and the third power device 7 drives the pressing rod 71 to be close to or far away from the fixed seat 2. One end, close to the body 11, of the compression rod 71 in the bending and overturning processes and the buckling processes is tightly pressed in the positioning groove 21 under the action of the third power device 7, so that the body 11 is prevented from being separated from the positioning groove 21 under the action of the sliding rod 31 and the buckling rod 41; in order to avoid the body 11 from being damaged by the excessive pressure of the pressure lever 71, the pressure lever 71 may be further provided with a pressing buffer portion 72, and the pressing buffer portion 72 is preferably a spring, which is located in the middle or the end of the pressure lever 71 and stretches when the pressure lever 71 is stressed.

In order to improve the stability of the slide bar 31 and the buckling bar 41, the slide bar 31 is arranged in the slide groove 24; the engagement bar 41 is disposed in the through groove 23.

In order to avoid the excessive buckling force of the buckling rod 41 under the driving of the second power device 6 in the buckling process, the body 11 and the buckling piece 12 are damaged, and the buckling rod 41 is provided with a buckling overpressure part 42, in an optimal implementation, the buckling overpressure part 42 is a spring, the spring is positioned at the end part or the middle part of the buckling rod 41, and the spring stretches when the buckling rod 41 is stressed.

Fig. 2-5 comprise a frame 9, said frame 9 comprising a base plate 91, a turntable 92 and a support 93, said turntable 92 and support 93 being arranged on the base plate 91. The turntable 92 is rotatably disposed on the base plate 91, and the turntable 92 may be driven to rotate on the base plate 91 by a stepping motor or may be manually rotated.

In order to improve the working efficiency, the fixing base 2 includes a plurality of fixing bases 2 fixedly disposed on the turntable 92, the first power device 5 is fixedly disposed on the bottom plate 91, the fixing base 2 rotates to a fixed position to be matched with the sliding rod 31, and the fastening member 12 on the fixing base 2 is pushed.

In order to improve the working efficiency, two positioning grooves 21, two limiting blocks 22, two through grooves 23 and two sliding grooves 24 are arranged on each fixing seat 2, two bodies 11 and buckling pieces 12 are simultaneously fixed on each fixing seat 2, each first power device 5 drives two sliding rods 31, one sliding rod 31 pushes one buckling piece 12, and the other sliding rod 31 pushes the other buckling piece 12.

The two sliding rods 31 are connected with the output end of the first power device 5, and in this embodiment, by adding a transfer plate 51 at the output end of the first power device 5, the two sliding rods 31 are fixedly arranged on the transfer plate 51, so that the effect that the first power device 5 drives the two sliding rods 31 simultaneously is achieved. The turntable 92 is also provided with the linear bearing 52, the sliding rod 31 passes through the linear bearing 52, and the linear bearing 52 prevents the sliding rod 31 from being bent under the action of external force in the reciprocating motion process, so that the precision and the reliability of the whole equipment are improved.

If two injection molding pieces 1 are disposed on each fixing seat 2, the buckling rod 41 and the compression rod 71 also include two, and each buckling rod 41 and each compression rod 71 corresponds to one injection molding piece 1.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides an injection molding lock auxiliary device, includes fixing base (2), is provided with body (11) and fastener (12) on fixing base (2), its characterized in that: the novel lock comprises a body (11), and is characterized by further comprising a sliding rod (31) and a buckling rod (41), wherein the sliding rod (31) pushes the buckling piece (12) to bend towards the direction close to the body (11), and the buckling rod (41) buckles the buckling piece (12) which is bent on the body (11); the sliding rod (31) is arranged on one side of the fixed seat (2), the buckling rod (41) is arranged on the other side of the fixed seat (2), and the sliding rod (31) and the buckling rod (41) do reciprocating motion along the length direction of the sliding rod;

the end of the sliding rod (31) close to the buckling piece (12) is provided with a bearing (32), and when the sliding rod (31) pushes the buckling piece (12), the outer ring of the bearing (32) rolls on the buckling piece (12).

2. The injection molding snap assist device of claim 1, wherein: the fixing seat (2) is provided with a positioning groove (21), a limiting block (22) and a through groove (23), the through groove (23) extends to the limiting block (22) from one side, far away from the limiting block (22), of the fixing seat (2), the positioning groove (21) is communicated with the through groove (23), and the positioning groove (21) is closely arranged on the limiting block (22).

3. An injection molding fastening aid as claimed in claim 2, wherein: one end of the buckling rod (41) is arranged in the through groove (23).

4. The injection molding snap assist device of claim 1, wherein: the buckling rod (41) is provided with a buckling overpressure part (42).

5. An injection molding fastening aid as claimed in claim 2, wherein: the sliding rod (31) is arranged on one side of the limiting block (22).

6. The injection molding snap assist device of claim 5, wherein: the fixed seat (2) is also provided with a sliding groove (24), the sliding groove (24) is arranged on one side of the limiting block (22), and one end of the sliding rod (31) provided with the bearing (32) is arranged in the sliding groove (24).

7. The injection molding snap assist device of claim 6, wherein: the sliding rod (31) and the buckling rod (41) are in the same plane, and the sliding rod (31) is not parallel to the buckling rod (41).

8. The injection molding snap assist device of claim 1, wherein: the sliding rod mechanism further comprises a first power device (5), wherein the first power device (5) is connected with the sliding rod (31), and the first power device (5) drives the sliding rod (31) to reciprocate along the length direction of the sliding rod; the first power device (5) is an air cylinder, a hydraulic cylinder or a linear motor.

9. The injection molding snap assist device of claim 1, wherein: the second power device (6) is connected with the buckling rod (41), and the second power device (6) drives the buckling rod (41) to reciprocate along the length direction; the second power device (6) is an air cylinder, a hydraulic cylinder or a linear motor.

10. The injection molding snap assist device of claim 1, wherein: the novel hydraulic pressure device is characterized by further comprising a third power device (7) and a pressure rod (71), wherein the pressure rod (71) is arranged on one side, far away from the fixed seat (2), of the body (11, the third power device (7) is connected with one end, far away from the body (11), of the pressure rod (71), and the third power device (7) drives the pressure rod (71) to be close to or far away from the fixed seat (2).