CN221280784U - Plastic casing compression resistance testing arrangement - Google Patents

Abstract

The utility model discloses a plastic shell compression resistance testing device, which comprises: base, backup pad, roof, pressure head, sheath, packing ring, lifter plate and carrier, the backup pad sets up relatively on the base, the roof sets up the top at the backup pad, be provided with the lift drive who points to the below on the roof, the lifter plate sets up in lift drive's bottom and is located between the backup pad of both sides, the sheath can be relative lifter plate up-and-down movable ground cover establish in the outside of lifter plate and downwardly extending, the sheath both sides are provided with the waist hole of vertical extension respectively, be provided with the bolt that extends to lifter plate top in the waist hole, the pressure head sets up the below at the lifter plate, the packing ring sets up on the base and is located the edge below of sheath, the carrier sets up on the base and is located the inboard of packing ring. Through the mode, the plastic shell compression-resistant testing device improves operation safety and testing work efficiency.

Description

Plastic casing compression resistance testing arrangement

Technical Field

The utility model relates to the field of plastic shells, in particular to a plastic shell compression resistance testing device.

Background

Plastic housings are widely used in electronic products, such as housings of mice, mobile phones, remote controllers, and the like, and plastic housings are generally adopted. In the production process of plastic shells, in order to ensure the structural strength of the factory, a compression test is required.

The plastic shell has certain brittleness and toughness, and has certain potential safety hazard to operators due to the probability of plastic shell flying off and breaking in the process of pressing down the plastic shell through the pressure head. In order to improve operation safety, a common practice is to install a protective door on the testing device, but the protective door increases operation complexity, influences the working efficiency of feeding and discharging the plastic shell in the testing process, and needs to be improved.

Disclosure of utility model

The utility model mainly solves the technical problem of providing the plastic shell compression-resistant testing device for carrying out compression-resistant testing on the plastic shell and improving the convenience of feeding and discharging and the operation safety.

In order to solve the technical problems, the utility model adopts a technical scheme that: provided is a plastic shell compression resistance testing device, comprising: base, backup pad, roof, pressure head, sheath, packing ring, lifter plate and carrier, the backup pad sets up relatively on the base, the roof sets up the top at the backup pad, be provided with the lift drive who points to the below on the roof, the lifter plate sets up in lift drive's bottom and is located between the backup pad of both sides, the sheath can be relative lifter plate up-and-down movable ground cover establish in the outside of lifter plate and downwardly extending, the sheath both sides are provided with the waist hole of vertical extension respectively, be provided with the bolt that extends to lifter plate top in the waist hole, the pressure head sets up the below at the lifter plate, the packing ring sets up on the base and is located the edge below of sheath, the sheath adopts transparent straight section of thick bamboo sheath, the carrier sets up on the base and is located the inboard of packing ring.

In a preferred embodiment of the utility model, a pulling pressure sensor is arranged at the bottom of the lifting plate, a pressure head mounting seat is arranged at the bottom of the pulling pressure sensor, and the pressure head is arranged at the bottom of the pressure head mounting seat.

In a preferred embodiment of the present utility model, guide rods pointing upwards are symmetrically arranged on the lifting plate, and guide sleeves corresponding to the guide rods one by one are arranged on the top plate.

In a preferred embodiment of the utility model, the lifting drive means is a hydraulic cylinder.

In a preferred embodiment of the present utility model, two pads are symmetrically disposed on the carrier.

In a preferred embodiment of the present utility model, the pad is in an L-shaped bent plate structure.

The beneficial effects of the utility model are as follows: according to the plastic shell compression-resistant testing device, the plastic shell is placed on the two cushion blocks of the carrier, the lifting plate drives the pressure head to descend for compression-resistant testing of the plastic shell, the sheath descends along with the lifting plate and is matched with the cushion ring for protection in the testing process, damage to an operator when the plastic shell flies off or breaks up is avoided, operation safety is high, the sheath ascends along with the lifting plate, loading and unloading of the plastic shell are not affected, and testing work efficiency is guaranteed.

Drawings

For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:

FIG. 1 is a schematic view of a plastic shell compression testing apparatus according to a preferred embodiment of the present utility model;

Fig. 2 is a schematic view of the sheath lowering process of fig. 1.

Detailed Description

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

Referring to fig. 1 to 2, an embodiment of the present utility model includes:

The plastic shell compression testing device as shown in fig. 1 comprises: base 1, backup pad 5, roof 7, pressure head 3, sheath 15, packing ring 2, lifter plate 11 and carrier 17, backup pad 5 set up relatively on base 1, and roof 7 sets up at the top of backup pad 5, carries out the support of roof 7 through backup pad 5, can adopt screw or welding mode fixed, stable in structure.

The top plate 7 is provided with a downward-directed lifting drive 10, and the lifting plate 11 is provided between the support plates 5 on both sides at the bottom of the lifting drive 10, and lifting drive of the lifting plate 11 is performed by the lifting drive 10.

In this embodiment, the lifting driving device 10 adopts a hydraulic cylinder, and can perform lifting control through a PLC, so that the operation is simple and convenient. In addition, guide rods 9 pointing upwards are symmetrically arranged on the lifting plate 11, guide sleeves 8 corresponding to the guide rods 9 one by one are arranged on the top plate 12, lifting stability of the lifting plate 11 is improved, and the problem of inclination is avoided.

The sheath 15 is sleeved on the outer side of the lifting plate 11 in a manner of moving up and down relative to the lifting plate 11 and extends downwards, in the embodiment, two sides of the sheath 15 are respectively provided with a waist hole 14 extending vertically, and bolts 13 extending to the upper side of the lifting plate 11 are arranged in the waist holes 14, so that the sheath 15 can not only lift along with the lifting plate 11, but also stop descending when encountering obstacles in the descending process of the sheath 15. The position height of the bottom of the sheath 15 when suspended can be changed by adjusting the bolts 13 up and down in the waist holes 14.

With pressure head 3 setting in the below of lifter plate 11, in this embodiment, lifter plate 11 bottom is provided with draws pressure sensor 6, draws pressure sensor 6 bottom to be provided with pressure head mount pad 4, and pressure head 3 sets up in the bottom of pressure head mount pad 4, and pressure head 3 top design has the screw hole, carries out the fixing of pressure head 3 through the screw rod of pressure head mount pad 4 bottom, and the dismouting is convenient.

In this embodiment, the sheath 15 is a transparent straight sheath, so that the interior of the sheath 15 is conveniently observed through the sheath 15. The gasket 2 is arranged on the base 1 and below the edge of the sheath 15, the sheath 15 descends along with the descending of the pressure head 3, and the sheath 15 contacts with the gasket 2 before the pressure head 3 contacts with the plastic shell 18, so that the protection effect is ensured. The gasket 2 can adopt a rubber ring to absorb and buffer the sheath 15, so that the noise problem is reduced.

As shown in fig. 1, a carrier 17 is provided on the base 1 and located inside the gasket 2. Two cushion blocks 16 are symmetrically arranged on the carrier 17, in the embodiment, the cushion blocks 16 are of an L-shaped bent plate structure, screws can be adopted for fixing, transverse movement adjustment and replacement are convenient to conduct, so that different plastic shells 18 are adapted to, the plastic shells 18 are horizontally placed on the two cushion blocks 16, compression resistance testing of the plastic shells 18 is conducted through descending of the pressure head 3, pressure data are collected through the tension pressure sensor 6, the tension pressure sensor 6 can be connected with a PLC, and real-time display of the pressure data is conducted through a screen on the PLC.

In summary, according to the plastic shell compression-resistant testing device, compression-resistant testing of the plastic shell is performed through descending of the pressure head, protection in the testing process is performed by the sheath, safety is improved, feeding and discharging of the sheath are not affected by the sheath, and testing working efficiency is guaranteed.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model or by other related art, either directly or indirectly, are intended to be included within the scope of the utility model.

Claims (6)

1. A plastic shell compression testing device, comprising: base, backup pad, roof, pressure head, sheath, packing ring, lifter plate and carrier, the backup pad sets up relatively on the base, the roof sets up the top at the backup pad, be provided with the lift drive who points to the below on the roof, the lifter plate sets up in lift drive's bottom and is located between the backup pad of both sides, the sheath can be relative lifter plate up-and-down movable ground cover establish in the outside of lifter plate and downwardly extending, the sheath both sides are provided with the waist hole of vertical extension respectively, be provided with the bolt that extends to lifter plate top in the waist hole, the pressure head sets up the below at the lifter plate, the packing ring sets up on the base and is located the edge below of sheath, the sheath adopts transparent straight section of thick bamboo sheath, the carrier sets up on the base and is located the inboard of packing ring.

2. The plastic shell compression testing device according to claim 1, wherein a tension pressure sensor is arranged at the bottom of the lifting plate, a pressure head mounting seat is arranged at the bottom of the tension pressure sensor, and the pressure head is arranged at the bottom of the pressure head mounting seat.

3. The plastic shell compression testing device according to claim 1, wherein guide rods pointing upwards are symmetrically arranged on the lifting plate, and guide sleeves corresponding to the guide rods one by one are arranged on the top plate.

4. The plastic shell compression testing device according to claim 1, wherein the lifting driving device adopts a hydraulic cylinder.

5. The plastic shell compression testing device according to claim 1, wherein two cushion blocks are symmetrically arranged on the carrier.

6. The plastic shell compression testing device according to claim 5, wherein the cushion block adopts an L-shaped bent plate structure.