CN212321028U

CN212321028U - Blow molding bottle air tightness detection device

Info

Publication number: CN212321028U
Application number: CN202021173344.XU
Authority: CN
Inventors: 冯秋锋; 王进军; 蒋全俊
Original assignee: Hangzhou Hengfeng Plastic Products Co ltd
Current assignee: Hangzhou Hengfeng Plastic Products Co ltd
Priority date: 2020-06-22
Filing date: 2020-06-22
Publication date: 2021-01-08
Anticipated expiration: 2030-06-22

Abstract

The utility model relates to a blowing bottle gas tightness detection device, it includes the support, is equipped with conveying components and determine module on the support, and determine module includes first electric jar, and the piston rod of first electric jar extends and is equipped with the closure along vertical direction, and air jet pipe and baroceptor are installed to the upside of closure, and the one end of air jet pipe and baroceptor's detection head all wears to locate the closure and stretch into in the blowing bottle. In the testing process of blowing bottle, transport assembly will carry the blowing bottle to testing assembly under, then first electric jar will drive the closure decline and seal in the bottleneck of blowing bottle, and the jet-propelled pipe will be to blowing bottle internal gas injection afterwards, and the workman can judge whether the quality of blowing bottle is qualified through the reading of observing on the baroceptor. The utility model provides high blowing bottle's detection efficiency.

Description

Blow molding bottle air tightness detection device

Technical Field

The utility model belongs to the technical field of the technique of gas tightness check out test set and specifically relates to a blowing bottle gas tightness detection device is related to.

Background

After the production of the blow-molded bottle is finished, the air tightness detection is needed to judge whether the quality of the blow-molded bottle is qualified or not.

The existing blow-molded bottle detection method is to seal the mouth of the blow-molded bottle, blow air into the blow-molded bottle and detect the pressure inside the blow-molded bottle, so as to judge the air tightness of the blow-molded bottle.

However, the sealing of the mouth of the blow-molded bottle, the inflation of the blow-molded bottle and the detection of the pressure inside the blow-molded bottle are all manually performed by a worker, and the efficiency is low, so improvements are needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a blowing bottle gas tightness detection device has improved the detection efficiency of blowing bottle.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a blowing bottle gas tightness detection device, includes the support, is equipped with the conveying subassembly that is used for carrying the blowing bottle on the support and is used for detecting the determine module of gas tightness, and determine module includes first electric jar, and the piston rod of first electric jar extends and is equipped with the closure piece that is used for sealing the blowing bottle bottleneck along vertical direction, and air-jet pipe and air pressure sensor are installed to the upside of closure piece, and the one end of air-jet pipe and air pressure sensor's detection head all wear to locate the closure piece and stretch into in the blowing bottle.

Through adopting above-mentioned technical scheme, in the testing process of blowing bottle, transport assembly will carry the blowing bottle to test assembly under, then first electricity jar will drive the closure decline and seal in the bottleneck of blowing bottle, and jet-propelled pipe will be to the interior gas injection of blowing bottle afterwards, and the workman can judge whether qualified through the reading of observing on the baroceptor blowing bottle's quality, and this device has reduced manual operation, has improved the detection efficiency of blowing bottle.

The present invention may be further configured in a preferred embodiment as: the closed piece comprises a fixed disc fixedly connected to a piston rod of the first electric cylinder, the fixed disc is connected with a pressure plate through a vertical spring, and the fixed disc and the pressure plate are respectively provided with a penetrating groove for penetrating through one end of an air injection pipe and a detection head of the air pressure sensor.

Through adopting above-mentioned technical scheme, when first electric jar drives the closure and presses to the blowing bottle, vertical spring will take place deformation and make the pressure disk compress tightly in the top of blowing bottle, has guaranteed the sealed effect of pressure disk to the blowing bottle to the accuracy that blowing bottle gas tightness detected has been improved.

The present invention may be further configured in a preferred embodiment as: the device also comprises a sensing assembly, wherein the sensing assembly comprises an infrared sensor used for sensing the blow-molded bottle below the detection assembly and a processor used for receiving a feedback signal of the infrared sensor and promoting the first electric cylinder to stretch and the air injection pipe to inject air.

By adopting the technical scheme, when the conveying assembly conveys the blow-molded bottle to the position below the detection assembly, the infrared sensor detects the blow-molded bottle and feeds back signals to the processor, and then the processor controls the first electric cylinder to drive the closing piece to descend and close to the bottle mouth of the blow-molded bottle and controls the air injection pipe to inject air into the blow-molded bottle; after the detection is finished, the processor controls the first electric cylinder to drive the closing piece to ascend and controls the air injection pipe to stop air injection, so that the automatic detection of the air tightness of the blow-molded bottle is realized.

The present invention may be further configured in a preferred embodiment as: the blow molding device is characterized by further comprising a pushing assembly used for pushing the blow molding bottle to be separated from the conveying assembly, the pushing assembly comprises a second electric cylinder arranged on the support, a push plate is fixed on a piston rod of the second electric cylinder, and the processor receives an unqualified signal of the air pressure sensor and controls the second electric cylinder to stretch.

By adopting the technical scheme, when the air pressure sensor detects that the pressure in the blow-molded bottle is not in the limited range, the air tightness of the blow-molded bottle is proved to be unqualified, the air pressure sensor feeds back a signal to the processor, and the processor controls the piston rod of the second electric cylinder to gradually extend out; when the conveying assembly conveys the blow molded bottle to the push plate, the piston rod of the second electric cylinder continuously extends out and prompts the push plate to push the blow molded bottle to be separated from the conveying assembly, so that the automatic screening of the blow molded bottle is realized.

The present invention may be further configured in a preferred embodiment as: the blow-molded bottle blocking device further comprises a blocking assembly used for blocking the blow-molded bottle right below the closing piece, the blocking assembly comprises a third electric cylinder installed on the support through a mounting plate, and a blocking rod is fixed on a piston rod of the third electric cylinder.

By adopting the technical scheme, when the blow molded bottle is conveyed by the conveying assembly and abuts against the blocking rod, the blow molded bottle is positioned under the detection assembly, so that the blow molded bottle is positioned; after the blow molding bottle detection is completed, the third electric cylinder drives the blocking rod to retract, so that the conveying assembly can convey the blow molding bottle which is detected to be completed away.

The present invention may be further configured in a preferred embodiment as: the detection assembly and the closing piece are both arranged on the support and are provided with a plurality of groups.

Through adopting above-mentioned technical scheme, block that the pole will make a plurality of blowing bottles adjacent shelve on conveying assembly, realized the location to a plurality of blowing bottles, this device can carry out the gas tightness detection of a plurality of blowing bottles simultaneously this moment, has improved the detection efficiency of blowing bottle.

The present invention may be further configured in a preferred embodiment as: the first electric cylinder is fixed with a first dovetail block, the support is provided with a first dovetail groove extending along the conveying direction of the conveying assembly, the first dovetail block is embedded in the first dovetail groove in a sliding mode, the first dovetail block is provided with a thread groove, and a first bolt tightly abutting against the wall of the first dovetail groove is matched with the inner thread of the thread groove.

By adopting the technical scheme, the first electric cylinders can slide along the extending direction of the first dovetail grooves, so that the distance between two adjacent groups of first electric cylinders is changed, and the device can be used for carrying out air tightness detection on blow-molded bottles with different outer diameters; and the first bolt is in threaded fit with the threaded groove and tightly abutted against the wall of the first dovetail groove, so that the first electric cylinder can be locked and fixed.

The present invention may be further configured in a preferred embodiment as: the conveying assembly comprises a conveying belt arranged on the support, two limiting plates which are respectively arranged on two sides of the blow molding bottle are arranged above the conveying belt, limiting rods and screw rods which are perpendicular to the conveying direction of the conveying belt are arranged on the limiting plates, the limiting rods are fixed on the limiting plates and penetrate through the support, and the screw rods are rotatably connected to the limiting plates and are in threaded fit with the support.

Through adopting above-mentioned technical scheme, rotatory lead screw can make the limiting plate slide along the extending direction of gag lever post for two limiting plates can contradict in the blowing bottle of different external diameters, thereby has guaranteed the stability of blowing bottle in transportation process.

To sum up, the utility model discloses a following beneficial technological effect:

1. due to the arrangement of the conveying assembly, the detection assembly and the closing piece, manual operation is reduced, and the detection efficiency of the blow-molded bottle is improved;

2. the arrangement of the fixed disc, the pressure plate and the spring enables the pressure plate to be tightly pressed on the top of the blow molding bottle, so that the sealing effect of the pressure plate on the blow molding bottle is ensured, and the accuracy of the air tightness detection of the blow molding bottle is improved;

3. the induction assembly is arranged, and when the infrared sensor detects a blow-molded bottle, the processor controls the detection assembly to automatically detect;

4. the arrangement of the pushing assembly enables unqualified blow-molded bottles to be pushed to be separated from the conveying assembly, and automatic screening of the blow-molded bottles is realized;

5. the arrangement of the blocking assembly realizes the positioning of the blow-molded bottle so as to facilitate the detection of the blow-molded bottle by the detection assembly.

Drawings

Fig. 1 is a schematic view of the overall structure in the embodiment of the present invention;

fig. 2 is a schematic structural diagram illustrating a detection assembly, a sensing assembly and a blocking assembly in an embodiment of the present invention;

fig. 3 is a schematic structural diagram illustrating a pushing assembly according to an embodiment of the present invention.

Reference numerals: 1. a support; 2. a delivery assembly; 21. a conveyor belt; 22. a limiting plate; 23. a limiting rod; 24. a screw rod; 3. a detection component; 31. a first electric cylinder; 32. a closure; 321. fixing the disc; 322. a vertical spring; 323. a platen; 324. a groove is arranged in a penetrating way; 33. a gas ejector tube; 34. an air pressure sensor; 35. a first dovetail block; 36. a first dovetail groove; 37. a first bolt; 4. an inductive component; 41. an infrared sensor; 42. a processor; 43. a slider; 44. a third dovetail block; 45. a third dovetail groove; 46. a third bolt; 5. a pushing assembly; 51. a second electric cylinder; 52. pushing the plate; 53. a notch; 54. a slide plate; 55. a fourth dovetail block; 56. a fourth bolt; 6. a blocking component; 61. mounting a plate; 62. a third electric cylinder; 63. a blocking lever; 64. a second dovetail groove; 65. a second dovetail block; 66. and a second bolt.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, a device for detecting the air tightness of a blow-molded bottle comprises a support 1, wherein a conveying assembly 2, two groups of detection assemblies 3, two groups of sensing assemblies 4, two groups of pushing assemblies 5 and two groups of blocking assemblies 6 are arranged on the support 1, the conveying assembly 2 is used for conveying the blow-molded bottle, the blocking assemblies 6 are used for blocking the blow-molded bottle at the detection assemblies 3, and the sensing assemblies 4 are used for sensing the blow-molded bottle at the detection assemblies 3 and controlling the detection assemblies 3 to detect the blow-molded bottle; if the blow-molded bottle is detected to be qualified, the conveying assembly 2 is used for blanking the blow-molded bottle, and if the blow-molded bottle is detected to be unqualified, the pushing assembly 5 is used for pushing the blow-molded bottle to be separated from the conveying assembly 2.

As shown in fig. 1, the conveying assembly 2 includes a conveyor belt 21 installed on the support 1, two limiting plates 22 respectively disposed on two sides of the blow molded bottle are disposed above the conveyor belt 21, a limiting rod 23 and a screw rod 24 perpendicular to the conveying direction of the conveyor belt 21 are disposed on the limiting plate 22, the limiting rod 23 is fixed on the limiting plate 22 and penetrates through the support 1, and the screw rod 24 is rotatably connected to the limiting plate 22 and is in threaded fit with the support 1. The rotating screw rod 24 can make the limiting plates 22 slide along the extending direction of the limiting rod 23, so that the two limiting plates 22 can be abutted against the blow-molded bottles with different outer diameters, and the stability of the blow-molded bottles in the conveying process is ensured.

As shown in fig. 2, the distance between the two sets of blocking assemblies 6 is equal to the sum of the outer diameters of the two blow-molded bottles, the blocking assemblies 6 include a mounting plate 61, a third electric cylinder 62 is fixed on the mounting plate 61, and a blocking rod 63 is fixed on a piston rod of the third electric cylinder 62 and extends along the width direction of the conveyor belt 21. Under the conveying of the conveying assembly 2, two blow-molded bottles are positioned between the two blocking rods 63, so that the two groups of detection assemblies 3 can detect the air tightness of the blow-molded bottles; the blocking rod 63, which is close to the input end of the conveyor belt 21, will block the subsequent blown bottles in order to prevent this part of the blown bottles from affecting the blown bottles being tested.

As shown in fig. 2, the bracket 1 is provided with a second dovetail groove 64, the mounting plate 61 is fixed with a second dovetail block 65, and the second dovetail block 65 is slidably embedded in the second dovetail groove 64, so that the positions of the blocking assemblies 6 are convenient, and two blow-molded bottles with different outer diameters can be accommodated between the two groups of blocking assemblies 6; the second dovetail block 65 is threadedly engaged with a second bolt 66, and the second bolt 66 abuts against the groove wall of the second dovetail groove 64, so that the blocking assembly 6 is locked and fixed on the bracket 1.

As shown in fig. 2, two sets of sensing assemblies 4 respectively correspond to the two blow-molded bottles between the two blocking rods 63, the sensing assemblies 4 including infrared sensors 41 and processors 42; two sets of detection assemblies 3 correspond respectively to the two blow-moulded bottles between the two blocking rods 63, the detection assemblies 3 comprising a first electric cylinder 31, the piston rod of which first electric cylinder 31 extends in a vertical direction and is provided with a closure 32.

As shown in fig. 2, the closing member 32 includes a fixing plate 321 fixed at the bottom of the piston rod of the first electric cylinder 31, the fixing plate 321 is connected with a pressure plate 323 through a plurality of vertical springs 322; the fixed disc 321 is fixed with an air injection pipe 33 and an air pressure sensor 34, the fixed disc 321 and the pressure disc 323 are both provided with a through groove 324, and one end of the air injection pipe 33 and a detection head of the air pressure sensor 34 penetrate out of the through groove 324 and extend into the blow molding bottle.

When the blow-molded bottle abuts against the blocking rod 63 and both the two infrared sensors 41 sense the blow-molded bottle, the two infrared sensors 41 will feed back signals to the processor 42 together, and then the processor 42 will control the first electric cylinder 31 to drive the fixed disk 321 to descend, so that the pressure plate 323 is sealed at the bottle mouth of the blow-molded bottle and control the air injection pipe 33 to inject air into the blow-molded bottle; after the detection is finished, the processor 42 controls the first electric cylinder 31 to drive the fixed disk 321 to ascend, so that the fixed disk 323 is separated from the blow molded bottle, and controls the air injection pipe 33 to stop injecting air, thereby realizing the automatic detection of the air tightness of the blow molded bottle.

As shown in fig. 2, a slide block 43 is fixed on the infrared sensor 41, and a third dovetail block 44 is fixed on the slide block 43; a third dovetail groove 45 is formed in the bracket 1, and a third dovetail block 44 is embedded in the third dovetail groove 45 in a sliding manner, so that the position of the infrared sensor 41 can be conveniently adjusted to be suitable for blow-molded bottles with different outer diameters; the third dovetail block 44 is screwed with a third bolt 46, and the third bolt 46 abuts against a groove wall of the third dovetail groove 45, so that the infrared sensor 41 is locked and fixed.

As shown in fig. 2, a first dovetail block 35 is fixed on the first electric cylinder 31, a first dovetail groove 36 extending along the conveying direction of the conveying assembly 2 is arranged on the bracket 1, and the first dovetail block 35 is embedded in the first dovetail groove 36 in a sliding manner, so that the distance between two adjacent groups of first electric cylinders 31 is changed, and the device can be used for carrying out air tightness detection on blow-molded bottles with different outer diameters; the first dovetail block 35 is provided with a thread groove, and a first bolt 37 abutting against the wall of the first dovetail groove 36 is matched with the inner thread of the thread groove, so that the first electric cylinder 31 is locked and fixed on the bracket 1.

As shown in fig. 3, the pushing assembly 5 includes a second electric cylinder 51 disposed on the support 1, a piston rod of the second electric cylinder 51 extends along the width direction of the conveyor belt 21 and is fixed with a pushing plate 52; the support 1 and the two limit plates 22 are provided with notches 53, the notches 53 on the support 1 and one limit plate 22 are used for the push plate 52 to slide, and the notches 53 on the support 1 and the other limit plate 22 are used for the blown bottles to be separated from the conveyor belt 21.

When the air pressure sensor 34 detects that the pressure in the blow-molded bottle is not within the limited range, the air tightness of the blow-molded bottle is proved to be unqualified, at this time, the air pressure sensor 34 feeds back a signal to the processor 42, and the processor 42 controls the piston rod of the second electric cylinder 51 to gradually extend; when the blow molded bottle is conveyed to the push plate 52 by the conveying assembly 2, the piston rod of the second electric cylinder 51 continues to extend, and the blow molded bottle is separated from the conveyor belt 21 from the notch 53, so that the automatic screening of the blow molded bottle is realized.

As shown in fig. 3, a sliding plate 54 is fixed on the second electric cylinder 51, a fourth dovetail block 55 is fixed on the sliding plate 54, and the fourth dovetail block 55 is slidably embedded in the second dovetail groove 64 so as to adjust the position of the pushing assembly 5, thereby being suitable for blow-molded bottles with different outer diameters; the fourth dovetail block 55 is screwed with a fourth bolt 56, and the fourth bolt 56 abuts against the groove wall of the second dovetail groove 64, so that the pushing assembly 5 is locked and fixed on the bracket 1.

The implementation principle of the embodiment is as follows: during the detection, the conveyor belt 21 conveys the blow-molded bottles to a blocking rod 63 close to the output end of the conveyor belt 21, and the blocking rod 63 extends out and blocks the blow-molded bottles; when two blow-moulded bottles are present between the two blocking rods 63, the blocking rod 63 close to the conveyor belt 21 will extend and clamp the blow-moulded bottles between the two blocking rods 63.

Then, the two infrared sensors 41 sense the blow-molded bottle and feed back signals to the processor 42 together, then the processor 42 controls the first electric cylinder 31 to drive the fixed disk 321 to descend, so that the pressure plate 323 is sealed at the bottle mouth of the blow-molded bottle and controls the air injection pipe 33 to inject air into the blow-molded bottle, and the air pressure sensor 34 detects the air pressure in the blow-molded bottle; after the detection is finished, the processor 42 controls the first electric cylinder 31 to drive the fixed disk 321 to ascend, so that the fixed disk 323 is separated from the blow molded bottle, and controls the air injection pipe 33 to stop injecting air, thereby realizing the automatic detection of the air tightness of the blow molded bottle.

Then the blocking rod 63 close to the output end of the conveyor belt 21 will retract, and the conveyor belt 21 will continue to convey the blow-molded bottles; when the air pressure sensor 34 detects that the pressure in the blow-molded bottle is not within the defined range, the air pressure sensor 34 will feed back a signal to the processor 42, and the processor 42 will control the piston rod of the second electric cylinder 51 to be gradually extended; when the conveyor belt 21 conveys the blow molded bottles to the push plate 52, the piston rods of the second electric cylinders 51 continue to extend out, and the blow molded bottles are separated from the conveyor belt 21 from the notches 53, so that the automatic screening of the blow molded bottles is realized.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a blowing bottle gas tightness detection device which characterized in that: including support (1), be equipped with on support (1) and be used for carrying conveying assembly (2) of blowing bottle and be used for detecting detection assembly (3) of gas tightness, detection assembly (3) include first electric jar (31), the piston rod of first electric jar (31) extends and is equipped with closure (32) that are used for sealing the blowing bottle bottleneck along vertical direction, air-jet pipe (33) and baroceptor (34) are installed to the upside of closure (32), the one end of air-jet pipe (33) and the detection head of baroceptor (34) are all worn to locate closure (32) and are stretched into in the blowing bottle.

2. The air tightness detecting device for the blow molded bottle according to claim 1, wherein: the sealing part (32) comprises a fixed disc (321) fixedly connected to a piston rod of the first electric cylinder (31), the fixed disc (321) is connected with a pressure disc (323) through a vertical spring (322), and the fixed disc (321) and the pressure disc (323) are both provided with penetrating grooves (324) for penetrating one end of the air injection pipe (33) and a detection head of the air pressure sensor (34).

3. The air tightness detecting device for the blow molded bottle according to claim 1, wherein: the blow molding machine further comprises a sensing assembly (4), wherein the sensing assembly (4) comprises an infrared sensor (41) used for sensing a blow molding bottle below the detection assembly (3), and a processor (42) used for receiving feedback signals of the infrared sensor (41) and enabling the first electric cylinder (31) to stretch and contract and the gas spraying pipe (33) to spray gas.

4. The air tightness detecting device for the blow molded bottle according to claim 1, wherein: the blow molding bottle conveying device is characterized by further comprising a pushing assembly (5) used for pushing a blow molding bottle to be separated from the conveying assembly (2), the pushing assembly (5) comprises a second electric cylinder (51) arranged on the support (1), a push plate (52) is fixed on a piston rod of the second electric cylinder (51), and the processor (42) receives an unqualified signal of the air pressure sensor (34) and controls the second electric cylinder (51) to stretch and retract.

5. The air tightness detecting device for the blow molded bottle according to claim 4, wherein: the blow-molded bottle blocking device further comprises a blocking assembly (6) used for blocking the blow-molded bottle right below the closing piece (32), the blocking assembly (6) comprises a third electric cylinder (62) installed on the support (1) through a mounting plate (61), and a blocking rod (63) is fixed on a piston rod of the third electric cylinder (62).

6. The air tightness detecting device for the blow molded bottle according to claim 5, wherein: the detection assembly (3) and the closing piece (32) are both arranged on the bracket (1) in a plurality of groups.

7. The air tightness detecting device for the blow molded bottle according to claim 6, wherein: be fixed with first dovetail block (35) on first electric jar (31), be equipped with on support (1) along first dovetail (36) that conveying subassembly (2) direction of delivery extends, first dovetail block (35) slide to inlay establishes in first dovetail (36), and has seted up the thread groove on first dovetail block (35), and the thread groove internal thread cooperation has first bolt (37) of support tightly in first dovetail (36) cell wall.

8. The air tightness detecting device for the blow molded bottle according to claim 1, wherein: conveying assembly (2) is including installing conveyer belt (21) on support (1), and the top of conveyer belt (21) is equipped with two parts and locates limiting plate (22) of blowing bottle both sides, is equipped with gag lever post (23) and lead screw (24) of perpendicular to conveyer belt (21) direction of delivery on limiting plate (22), and gag lever post (23) are fixed on limiting plate (22) and are worn to locate support (1), and lead screw (24) rotate to be connected in limiting plate (22) and screw-thread fit in support (1).