CN218444946U

CN218444946U - Plastic part strength test detects machinery

Info

Publication number: CN218444946U
Application number: CN202222112467.8U
Authority: CN
Inventors: 陈里彬
Original assignee: Dongguan Arlo Metal Technology Co ltd
Current assignee: Dongguan Arlo Metal Technology Co ltd
Priority date: 2022-08-11
Filing date: 2022-08-11
Publication date: 2023-02-03
Anticipated expiration: 2032-08-11

Abstract

The utility model discloses a plastic part strength test detects machinery, which comprises a housin, the lateral wall sets up for not sealing before the casing, the guard gate is installed to the lateral wall before the casing, the lateral wall is close to bottom surface department and is provided with the tight mechanism in top about the casing, shell top surface center department swing joint has the movable rod, casing and fixedly connected with drive hammer are run through to the movable rod bottom, the movable rod lateral wall is close to top department and is provided with the counter weight component, shell top surface is close to right side department fixedly connected with backup pad, the backup pad is the setting of L shape, movable rod top swing joint has the steel cable, through being provided with between the equal movable rod such as, drive hammer, the mutually supporting between the counter weight component etc. can increase the balancing weight according to the actual test demand to the impact force when adjustable drive hammer whereabouts satisfies different intensity detection demands, improves its detection efficiency and detection accuracy.

Description

Plastic part strength test detects machinery

Technical Field

The utility model belongs to the technical field of the plastic part detects, concretely relates to plastic part strength test detects machinery.

Background

The plastic part is very extensive at present application, designs to a plurality of fields such as packing, medical treatment, industry, and some plastic parts can be used to automobile manufacturing, and the plastic product is in production completion back, generally all need carry out the sampling and detect to ensure product quality, wherein, impact test is one of common main test mode, intensity that can effectual detection product.

The strength detection device in the prior art still has the following problems:

1. most of impact strength testing equipment in the prior art utilizes pressure equipment such as a hydraulic cylinder and the like to detect, and a product is extruded by setting specified pressure, so that the compression strength test of the product is detected, the impact force generated by the mode is slow, the impact strength is small, the instantaneous impact force cannot be accurately simulated, and the error of detected data is large;

2. can not carry out convenient stability control to the impact hammer, promote or release the hammer, operating means is comparatively loaded down with trivial details, and the part adopts the electric mode drive, if need have a power failure or circuit trouble time, equipment then can't use, influences the in-service use effect.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Not enough to prior art, the utility model aims to provide a plastic part strength test detects machinery.

(2) Technical scheme

In order to solve the technical problem, the utility model provides such plastic part strength test detects machinery, which comprises a housin, the lateral wall is for not sealing the setting before the casing, the guard gate is installed to the lateral wall before the casing, the lateral wall is close to bottom surface department and is provided with tight mechanism in top about the casing, casing top surface center department swing joint has the movable rod, the movable rod bottom runs through casing and fixedly connected with hammer, the movable rod lateral wall is close to top department and is provided with the counter weight subassembly, casing top surface is close to right side department fixedly connected with backup pad, the backup pad is the setting of L shape, movable rod top swing joint has the steel cable, the through-hole has been seted up to the backup pad top surface, the steel cable other end runs through-hole and fixedly connected with slider, the spout has been seted up to casing and backup pad right side wall, slider and spout swing joint, slider right side wall fixedly connected with clamp plate, the spout lateral wall is provided with positioning mechanism.

When the device is used, firstly, a specified number of balancing weights are added according to the detection requirement, firstly, the bolts are loosened to separate from the screw holes, then, the positioning cylinders are taken out, then, the balancing weights are sequentially sleeved on the movable rods, after the balancing weights are placed, the positioning cylinders are sleeved in the movable rods and are fixed by the bolts, and meanwhile, one ends of the steel ropes are fixed at the top ends of the movable rods;

then the hammer is lifted upwards, the steel rope is driven to move downwards through the sliding block by pressing, the hammer is driven to move upwards through the other end of the steel rope through the movable rod, when the sliding block is in contact with the trapezoidal stop block, the trapezoidal stop block is driven to move towards the groove through the downward pressure of the sliding block, meanwhile, the second spring is compressed, when the sliding block moves to the lower side of the trapezoidal stop block, the trapezoidal stop block is driven to reset through the rebound of the second spring, the pressing plate is released at the moment, and the sliding block can be fixed through the trapezoidal stop block;

when the arc-shaped clamping plates are pushed to the two sides, the arc-shaped clamping plates drive the cross rods to move outwards, meanwhile, the first springs stretch, the plastic parts are placed between the arc-shaped clamping plates on the two sides, the arc-shaped clamping plates are driven to clamp the plastic parts through rebounding of the first springs, and the phenomena that the plastic parts shake, deviate and the like are avoided when detection is carried out;

when impact strength detection needs to be carried out on the plastic part, the pull ring is pulled to drive the trapezoidal stop block to contract through the pull rope, meanwhile, the second spring is compressed to release the fixation of the sliding block, at the moment, the impact hammer is rapidly fallen under the influence of the gravity of the batching block, the impact force of the impact hammer is utilized to carry out strength detection on the plastic part, the steps are repeated, and the detection effect can be effectively improved.

Furthermore, the jacking mechanism comprises a cross rod, the cross rod is movably connected with the shell, one end of the baffle is far away from the cross rod, a first spring is movably connected to the side wall of the cross rod, two ends of the first spring are respectively fixedly connected with the baffle and the shell, the other end of the cross rod penetrates through the shell and is fixedly connected with an arc-shaped clamping plate, and the jacking mechanism can jack and fix the plastic part.

Further, the counter weight subassembly includes the fixed plate, fixed plate and movable rod lateral wall fixed connection, the fixed plate upside is provided with a plurality of balancing weight, balancing weight and movable rod swing joint, swing joint has a location section of thick bamboo on the movable rod lateral wall, swing joint has the bolt on the section of thick bamboo lateral wall of location, a plurality of screw has been seted up to the movable rod lateral wall, bolt and screw threaded connection can increase and decrease the balancing weight of appointed quantity according to the demand through the counter weight subassembly.

Furthermore, the positioning mechanism comprises a groove, the groove is formed in the side wall of the sliding groove, the left side wall of the groove is fixedly connected with a second spring, the other end of the second spring is fixedly connected with a trapezoid stop block, the top surface of the trapezoid stop block is inclined to the right, a reset assembly is arranged on the side wall of the trapezoid stop block, and the sliding block can be conveniently fixed through the positioning assembly.

Furthermore, the reset assembly comprises a pull rope, one end of the pull rope is fixedly connected with the left side wall of the trapezoidal stop block, a through groove is formed in the left side wall of the groove, the through groove penetrates through the right side wall of the shell, and the other end of the pull rope penetrates through the through groove and is fixedly connected with a pull ring.

Furthermore, the side wall of one side of the arc-shaped clamping plate close to the center of the shell is fixedly connected with a rubber pad, so that the plastic part can be protected, and meanwhile, the friction force is increased.

Furthermore, a limiting plate is fixedly connected to the right side wall of the supporting plate, and the steel rope penetrates through the limiting plate and is movably connected with the limiting plate, so that the steel rope is located at a fixed position.

Furthermore, the steel rope and the corner of the pull rope are respectively provided with a guide wheel which is fixedly connected with the support plate and the shell, so that the friction force between the pull rope and the through groove is reduced, and the service life is prolonged.

(3) Advantageous effects

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

1. through the mutual matching of the movable rod, the driving hammer, the counterweight component and the like, the counterweight block can be added according to the actual test requirement, so that the impact force of the driving hammer during falling can be adjusted, the detection requirements of different strengths can be met, and the detection efficiency and the detection accuracy of the driving hammer can be improved;

2. through being provided with mutually supporting between backup pad, steel cable, positioning mechanism and the reset assembly etc. can play the stable control effect to the rising or the decline of driving hammer, avoid traditional electric control to receive the unable scheduling problem that uses that electric power failure influences and cause to can effectual improvement its result of use.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the present invention;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is an enlarged view of FIG. 2 at B;

fig. 5 is an enlarged view of fig. 2 at C.

The labels in the figures are: 1. a housing; 2. a cross bar; 3. a baffle plate; 4. a first spring; 5. an arc-shaped splint; 6. a support plate; 7. a movable rod; 8. hammering; 9. a fixing plate; 10. a balancing weight; 11. a positioning cylinder; 12. a bolt; 13. a screw hole; 14. a protective door; 15. a steel cord; 16. a chute; 17. a slider; 18. pressing a plate; 19. a groove; 20. a second spring; 21. a trapezoidal stop block; 22. pulling a rope; 23. a through groove; 24. a pull ring; 25. a rubber pad; 26. a limiting plate; 27. a guide wheel.

Detailed Description

The specific embodiment is a plastic part strength test detection machine, the schematic structural diagram of which is shown in fig. 1-5, and which comprises a housing 1, wherein the front side wall of the housing 1 is not closed, a protective door 14 is installed on the front side wall of the housing 1, a jacking mechanism is arranged at the position, close to the bottom surface, of the left side wall and the right side wall of the housing 1, a movable rod 7 is movably connected at the center of the top surface of the housing 1, the bottom end of the movable rod 7 penetrates through the housing 1 and is fixedly connected with a hammer 8, a counterweight component is arranged at the position, close to the top end, of the side wall of the movable rod 7, a supporting plate 6 is fixedly connected at the position, close to the right side, of the top surface of the housing 1, the supporting plate 6 is arranged in an L shape, a steel rope 15 is movably connected at the top end of the movable rod 7, a through hole is formed in the top surface of the supporting plate 6, a sliding block 17 is fixedly connected at the other end of the steel rope 15, a sliding groove 16 is formed in the right side wall of the housing 1 and the supporting plate 6, the sliding block 17 is movably connected with a sliding block, the sliding block 17, a pressing plate 18 is fixedly connected with a positioning mechanism is fixedly connected with the right side wall of the sliding groove 16.

Refer to fig. 2, the tight mechanism in top includes horizontal pole 2, horizontal pole 2 all with 1 swing joint of casing, 1 one end fixedly connected with baffle 3 of casing is kept away from to horizontal pole 2, swing joint has first spring 4 on the 2 lateral walls of horizontal pole, first spring 4 both ends respectively with

baffle

3 and 1 fixed connection of casing, 2 other ends of horizontal pole all run through casing 1 and fixedly connected with arc splint 5, arc splint 5 is close to the equal fixedly connected with rubber pad 25 of 1 central one side lateral wall of casing, can fix the plastic part, avoid droing in the testing process, increase stability and security.

Wherein, except that carrying out the centre gripping to the plastic machine through first spring 4's effort fixed, can also play the effect of buffering, produce impact force and plastic part contact when the drive hammer 8 whereabouts, because the plastic part atress is great, can appear rocking phenomenon such as splitting apart, at this moment, utilize first spring 4 effort can play the buffering guard action to the plastic part.

Referring to fig. 4, the counter weight component includes fixed plate 9, fixed

plate

9 and 7 lateral wall fixed connection of movable rod, fixed plate 9 upside is provided with a plurality of balancing weight 10, balancing

weight

10 and 7 swing joint of movable rod, swing joint has a location section of thick bamboo 11 on the 7 lateral walls of movable rod, swing joint has bolt 12 on the 11 lateral walls of location section of thick bamboo, a plurality of screw 13 has been seted up to 7 lateral walls of movable rod,

bolt

12 and 13 threaded connection of screw, through being provided with equal movable rod 7, hit hammer 8, mutually support between the counter weight component etc, can increase balancing weight 10 according to the actual test demand, thereby impact force when adjustable hits hammer 8 whereabouts, satisfy different intensity detection demands, improve its detection efficiency and detection accuracy.

Referring to fig. 5, the positioning mechanism includes a groove 19, the groove 19 is disposed on the side wall of the sliding groove 16, a second spring 20 is fixedly connected to the left side wall of the groove 19, a trapezoidal stop 21 is fixedly connected to the other end of the second spring 20, the top surface of the trapezoidal stop 21 is inclined to the right, and a reset assembly is disposed on the side wall of the trapezoidal stop 21.

Referring to fig. 5, the subassembly that resets includes stay cord 22, stay cord 22 one end and trapezoidal dog 21 left side wall fixed connection, logical groove 23 has been seted up to recess 19 left side wall, it runs through 1 right side wall of casing to lead to groove 23, the stay cord 22 other end runs through logical groove 23 and fixedly connected with pull ring 24, through being provided with backup pad 6, steel cable 15, mutually supporting between positioning mechanism and the subassembly that resets, can play the stable control effect to the rising or the decline of drive hammer 8, avoid traditional electric control to receive the unable scheduling problem that uses that electric power failure influences and cause, thereby can its result of use of effectual improvement.

Referring to fig. 2, the right side wall of the supporting plate 6 is fixedly connected with a limiting plate 26, the steel rope 15 penetrates through the limiting plate 26 and is movably connected with the limiting plate 26, and the limiting treatment can be performed on the steel rope 15 through the limiting plate 26, so that the steel rope 15 is located at the same position, and the probability of deviation is reduced.

Referring to fig. 2, the steel rope 15 and the pull rope 22 are provided with guide wheels 27 at the corners, the guide wheels 27 are respectively fixedly connected with the support plate 6 and the shell 1, and the guide wheels 27 can effectively reduce the friction force of the pull rope 22 and effectively prolong the service life of the pull rope.

Wherein, being detachable connection between 15 one ends of steel cable and the movable rod 7, the convenient quantity that increases and decreases balancing weight 10 also makes things convenient for the maintenance and the maintenance in later stage.

When the device of the technical scheme is used, firstly, a specified number of balancing weights 10 are added according to detection requirements, firstly, the bolts 12 are loosened to enable the balancing weights to be separated from the screw holes 13, then, the positioning cylinder 11 is taken out, then, the balancing weights 10 are sequentially sleeved on the movable rod 7, after the balancing weights 10 are placed, the positioning cylinder 11 is sleeved in and fixed by the bolts 12, and meanwhile, one end of the steel rope 15 is fixed at the top end of the movable rod 7;

then the hammer 8 is lifted upwards, the pressing plate 18 is pressed firstly, the steel rope 15 is driven to move downwards through the sliding block 17, the other end of the steel rope 15 drives the hammer 8 to move upwards through the movable rod 7, when the sliding block 17 is in contact with the trapezoidal stop block 21, the trapezoidal stop block 21 moves towards the groove 19 through the downward pressure of the sliding block 17, meanwhile, the second spring 20 is compressed, when the sliding block 17 moves to the lower side of the trapezoidal stop block 21, the trapezoidal stop block 21 is driven to reset through the rebound of the second spring 20, at the moment, the pressing plate 18 is released, and the sliding block 17 can be fixed through the trapezoidal stop block 21;

when the arc-shaped clamping plates 5 are pushed to the two sides, the arc-shaped clamping plates 5 drive the cross rods 2 to move outwards, meanwhile, the first springs 4 stretch, then the plastic parts are placed between the arc-shaped clamping plates 5 on the two sides, the arc-shaped clamping plates 5 are driven to clamp the plastic parts through rebounding of the first springs 4, and the phenomena that the plastic parts shake and deviate and the like during detection are avoided;

when the impact strength detection needs to be carried out on the plastic part, the pull ring 24 is pulled to drive the trapezoidal stop block 21 to contract through the pull rope 22, meanwhile, the second spring 20 is compressed, the sliding block 17 is released from being fixed, at the moment, the impact hammer 8 falls rapidly under the influence of the gravity of the counterweight block 10, the impact force of the impact hammer 8 is utilized to carry out strength detection on the plastic part, and the steps are repeated, so that the detection effect can be effectively improved.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. The utility model provides a plastic part strength test detects machinery, includes casing (1), its characterized in that: the utility model discloses a safety door, including casing (1), lateral wall, casing (1), movable rod (7), casing (7) bottom, lateral wall is close to bottom surface department and is provided with the tight mechanism in top about casing (1), casing (1) top surface center department swing joint has movable rod (7), casing (1) and fixedly connected with hammer (8) are run through to movable rod (7) bottom, movable rod (7) lateral wall is close to top department and is provided with the counter weight subassembly, casing (1) top surface is close to right side department fixedly connected with backup pad (6), backup pad (6) are L shape setting, movable rod (7) top swing joint has steel cable (15), the through-hole has been seted up to backup pad (6) top surface, steel cable (15) other end runs through-hole and fixedly connected with slider (17), casing (1) and backup pad (6) right side wall have seted up spout (16), slider (17) and spout (16) swing joint, slider (17) right side wall fixedly connected with clamp plate (18), spout (16) lateral wall is provided with positioning mechanism.

2. The plastic part strength test detecting machine according to claim 1, wherein the tightening mechanism comprises a cross rod (2), the cross rod (2) is movably connected with the housing (1), one end of the cross rod (2) away from the housing (1) is fixedly connected with a baffle (3), a side wall of the cross rod (2) is movably connected with a first spring (4), two ends of the first spring (4) are respectively fixedly connected with the baffle (3) and the housing (1), and the other end of the cross rod (2) penetrates through the housing (1) and is fixedly connected with an arc-shaped clamping plate (5).

3. The plastic part strength test detection machine according to claim 1, wherein the counterweight assembly comprises a fixing plate (9), the fixing plate (9) is fixedly connected with the side wall of the movable rod (7), a plurality of counterweight blocks (10) are arranged on the upper side of the fixing plate (9), the counterweight blocks (10) are movably connected with the movable rod (7), a positioning cylinder (11) is movably connected onto the side wall of the movable rod (7), a bolt (12) is movably connected onto the side wall of the positioning cylinder (11), a plurality of screw holes (13) are formed in the side wall of the movable rod (7), and the bolt (12) is in threaded connection with the screw holes (13).

4. The plastic part strength test detection machine according to claim 1, wherein the positioning mechanism comprises a groove (19), the groove (19) is formed in a side wall of the sliding groove (16), a second spring (20) is fixedly connected to a left side wall of the groove (19), a trapezoidal stop block (21) is fixedly connected to the other end of the second spring (20), a top surface of the trapezoidal stop block (21) is inclined to the right, and a reset assembly is arranged on a side wall of the trapezoidal stop block (21).

5. The plastic part strength test detection machine according to claim 4, wherein the reset component comprises a pull rope (22), one end of the pull rope (22) is fixedly connected with the left side wall of the trapezoidal stopper (21), a through groove (23) is formed in the left side wall of the groove (19), the through groove (23) penetrates through the right side wall of the housing (1), and the other end of the pull rope (22) penetrates through the through groove (23) and is fixedly connected with a pull ring (24).

6. The testing machine for testing the strength of plastic parts according to claim 2, wherein the arc-shaped clamping plate (5) is fixedly connected with a rubber pad (25) on the side wall of the side close to the center of the housing (1).

7. The machine for testing and detecting strength of plastic parts according to claim 5, wherein a limiting plate (26) is fixedly connected to the right side wall of the supporting plate (6), and the steel cable (15) penetrates through the limiting plate (26) and is movably connected with the limiting plate.

8. The plastic part strength test machine according to claim 4, wherein the steel rope (15) and the pull rope (22) are provided with guide wheels (27) at corners, and the guide wheels (27) are respectively fixedly connected with the support plate (6) and the housing (1).