CN112014392A - Pneumatic type seal automatic testing arrangement - Google Patents

Abstract

The invention discloses a pneumatic seal automatic testing device, comprising a printing paper feeding mechanism, a sealing testing mechanism and a paper winding mechanism; the printing paper feeding mechanism and the paper winding mechanism are arranged on both sides of the sealing testing mechanism and are in the same On the axis; the paper outlet of the paper feeding mechanism faces the stamping test mechanism; the stamping test mechanism mainly includes a pressing mechanism, a paper limiting mechanism, etc., and the pressing mechanism adopts a pneumatic method to realize the up and down movement of the seal. The invention is simple and reliable in structure and low in manufacturing cost, not only can effectively solve the problem of tens of thousands of times of life testing of seals, but also the multi-angle testing function improves testing flexibility. After adopting the testing device, it can help manufacturers to effectively ensure product quality and improve testing. efficiency.

Description

A pneumatic seal automatic testing device

technical field

The invention relates to a pneumatic seal automatic testing device, which belongs to the technical field of seal equipment.

Background technique

With the continuous accumulation of the number of times of use of the seal, the seal seal often has problems such as unclearness in the later period, resulting in the seal not meeting the standard requirements stipulated by the industry. Therefore, the effective number of seals is an important indicator for customers to consider when purchasing. one. In order to solve the problem of tens of thousands of life testing of seals, a fast, efficient and stable testing equipment is required.

At present, domestic testing equipment for seal life is rare, mainly testing equipment independently designed and produced by testing centers with corresponding qualifications. Its main principle adopts mechanical structures such as cams and cranks. It basically meets the detection requirements, but there are often problems such as low detection efficiency, poor operation stability, and short service life of the machine.

SUMMARY OF THE INVENTION

In view of the deficiencies of the prior art, the purpose of the present invention is to provide a pneumatic seal automatic testing device to solve the problem of low detection efficiency in the prior art.

For achieving the above object, the technical scheme adopted in the present invention is:

A pneumatic seal automatic testing device, comprising a printing paper feeding mechanism, a sealing testing mechanism and a paper winding mechanism; the printing paper feeding mechanism and the paper winding mechanism are arranged on both sides of the sealing testing mechanism and on the same axis; The paper outlet of the paper feeding mechanism faces the stamping testing mechanism; the stamping testing mechanism includes a pressing mechanism for driving the stamp to move up and down.

Further, the seal testing mechanism further includes a support base and a closed box mounted on the support base; a beam is arranged in the closed box; the pressing mechanism is installed on the beam.

Further, the pressing mechanism includes a clamp and a pneumatic device; the pneumatic device is installed on the beam; the clamp is installed on the pneumatic device; the pneumatic device is installed on the inner side of the closed box; the clamp is installed in the closed box outside.

Further, the pressing mechanism also includes a connecting piece; the connecting piece includes a cylinder connecting plate, a triple connecting plate and a clamp connecting plate; the pneumatic equipment mainly includes a cylinder, a pneumatic triple and a reversing valve; The cylinder connecting plate is fixed on the front side of the beam; the clamp is installed on the cylinder through the clamp connecting plate; the triple piece is fixed on the rear side of the beam through the triple connecting plate; the reversing valve is fixed through the reversing valve connecting plate On the side frame beams of the closed box.

Further, the clamp includes a left side plate of triangular connection, a triangular connection plate, a right side plate of triangular connection, a positioning plate, an angle adjustment disc, a chapter sleeve and a rubber pad; the triangular connection plate is installed on the cylinder through the clamp connection plate. The left side plate of the triangle connection, the right side plate of the triangle connection and the triangle connection plate are respectively installed on the left and right sides and the rear of the positioning plate; the upper part of the positioning plate is provided with an angle adjustment disc; the chapter sleeve is installed at the angle Adjust the disc and insert into the hollow circle of the positioning plate.

It should be noted that the stamp sets are not unique, and stamp sets of different shapes and sizes inside form a set of stamp sets, which can be applied to different seals;

Further, a paper-limiting mechanism is also installed on the support base outside the closed box; the paper-limiting mechanism includes a left cylinder, a printing support plate and a right cylinder; the left and right cylinders are installed on both sides of the printing support plate; The stamp is installed directly above the printing support plate through a clamp; an infrared sensor is installed on the upper side of the left cylinder.

Further, the left roller and the right roller are both mounted on the support base through the shaft seat fixing member and the shaft seat washer.

Further, a communication device and a power supply are also fixed on the support base in the closed box; and a relay is installed on the power supply.

After adopting the above technology, when the test device is performing the test operation, once the test program is started, the printing and feeding mechanism starts to print the numbers on each printing paper of the printing roll paper at regular intervals, and the paper rolling mechanism cooperates with its work. Send the printing roll paper to the direction of the stamping test mechanism along the bottom of the roller of the paper limit mechanism. When the photoelectric sensor installed on the roller detects that the numbered printing paper moves to the printing support plate, the two mechanisms suspend the action, and the stamping test mechanism The pneumatic equipment starts, the cylinder drives the clamp with the seal to move down a certain distance, and then lifts the seal to simulate the manual stamping action. At the same time, the stamping image will be captured by the built-in camera of the stamp and transmitted to the host computer. , and then the printing paper feeding mechanism and the paper winding mechanism act again, so that the next numbered printing paper moves to the same position, and the stamping action is cycled in turn. When the host computer detects that the stamped image does not meet the requirements, the test stops.

Compared with the prior art, the beneficial effects of the present invention are:

Compared with the prior art, the pneumatic seal automatic testing mechanism of the present invention adopts a simple and reliable structure, stable and safe operation, low manufacturing cost, convenient clamping and dismounting, and can be operated with or without experience, can meet the fixation of different seals, and has a wide application range. ;Using the pressing mechanism to simulate manual pressing can not only achieve continuous and stable stamping action, but also each pressing force, dwell time, etc. can be regulated by the host computer, which ensures the stamping effect and improves the reliability and detection of the test results. Efficiency; the fixture has the function of angle adjustment, which can realize the multi-angle stamp test, which increases the flexibility of the test.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the test device of the present invention;

Fig. 2 is the three-dimensional schematic diagram of the test device of the present invention with the front baffle removed;

Fig. 3 is the partial three-dimensional structure schematic diagram of stamping testing mechanism;

Figure 4 is a schematic diagram of the installation of pneumatic equipment and connectors;

FIG. 5 is a schematic diagram of the three-dimensional structure of the clamp.

Reference numerals: 1-print paper feeding mechanism; 2-stamp test mechanism; 21-closed box; 22-support base; 23-fixture; 231-delta connection left side plate; 232-delta connection plate; 233-delta connection Right side plate; 234-positioning plate; 235-angle adjustment disc; 236-chapter sleeve; 237-rubber pad; 24-pneumatic equipment; 241-cylinder; 242-pneumatic triplet; 243-reversing valve; 25-connection 251-cylinder connecting plate; 252-triple connecting plate; 253-reversing valve connecting plate; 254-fixture connecting plate; 26-paper limiter mechanism; 261-left roller; 262-printing support plate; 263-right roller ;264-shaft seat fixing part;265-shaft seat gasket;27-communication device;28-induction device;281-photoelectric switch infrared sensor;282-photoelectric sensor fixing part;283-relay;29-power supply;3-volume Paper mechanism; 31-movable reel; 32-fixed reel; 33-reel; 4-stamp; 5-horizontal base.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present invention, but not for limiting the present invention.

As shown in FIG. 1 and FIG. 2 , the pneumatic seal automatic testing device provided by the embodiment of the present invention will now be described. The pneumatic seal automatic testing device includes a printing paper feeding mechanism 1, a sealing testing mechanism 2, a paper rolling mechanism 3 and a horizontal base 5. The printing paper feeding mechanism 1, the sealing testing mechanism 2 and the paper rolling mechanism 3 are arranged in sequence and installed on the On the horizontal base 5, the paper outlet of the paper feeding mechanism 1 faces the stamping testing mechanism 2, and the stamping testing mechanism 2 consists of a closed box 21, a supporting base 22, a fixture 23, a pneumatic device 24, a connector 25, and a paper limiting mechanism. 26. The communication device 27, the induction device 28, and the power supply 29 are composed, wherein the clamp 23, the pneumatic equipment 24, and the connecting piece 25 constitute the pressing mechanism.

The printing paper feeding mechanism 1 can print the test number (including parameters such as time, stamp number, stamping times, etc.) on the printing roll paper at a certain interval; and paper delivery function; the stamping test mechanism 2 can simulate the manual stamping and pressing function, and the built-in camera of stamp 4 captures the stamping image and transmits it to the upper computer. The upper computer performs image detection and returns relevant instructions.

Further, please refer to FIG. 1 , FIG. 2 , and FIG. 3 together, the paper limiting mechanism 26 includes a left roller 261 , a printing support plate 262 , and a right roller 263 . 265 is installed on both sides of the printing support plate 262 on the support base 22 , and the stamp 4 is installed directly above the printing support plate 262 through the clamp 23 . The cooperation between the printing support plate 262 and the left and right rollers can limit the displacement of the printing paper and ensure the tension.

Further, please refer to FIG. 2 and FIG. 3 together, as a specific embodiment of the pneumatic seal automatic testing device provided by the present invention, the printing and feeding mechanism 1 selects the Deli DL-888D barcode label printer, and the roll The paper mechanism 3 selects Keran KR-488 automatic label rewinder, the communication device 27 selects the 485 communication device, the induction device 28 includes the photoelectric switch infrared sensor 281 and the matching relay 283, and designs the "L" type photoelectric The sensor fixing member 282, the photoelectric switch infrared sensor 281 is installed above the left roller 261 side through the photoelectric sensor fixing member 282, and the photoelectric sensor fixing member 282 is provided with a chute, which is convenient to adjust the detection position of the photoelectric switch infrared sensor 281. Relay 283 is placed above power supply 29 .

It should be noted that, in specific application, the printing roll paper coming out of the paper outlet of the printing paper feeding mechanism 1 will bypass the bottom of the left roller 261, the top of the printing support plate 262, the bottom of the right roller 263, and the paper roll mechanism 3 in turn. Below the movable reel 31 and above the fixed reel 32, and finally wound on the reel 33 of the reeling mechanism 3

Further, please refer to FIG. 1 and FIG. 2 together. As a specific embodiment of the pneumatic seal automatic test device provided by the present invention, the support base 22 of the seal test mechanism 2 provided by the present invention includes a horizontally placed bottom frame. and the support plate above it, the two are connected by bolts, and the support plate is also provided with a printing support plate 262, a shaft seat gasket 265, a positioning hole for the power supply 29 and the 485 communication device 27, and the above components are installed on the support plate by bolts. The closed box 21 is mainly composed of a square frame body and a built-in beam to form a gantry support frame. A baffle and a rear baffle are respectively installed around it, and a wire slot is arranged under the front baffle to facilitate the connection between the inside and outside equipment of the box. Ensure that the connecting lines are placed in an orderly manner. There are observation holes and lock holes on the rear door, which are used to observe the pressure gauge and install the equipment lock respectively.

It should be noted that, as a specific embodiment of the pneumatic seal automatic testing device provided by the present invention, the entire frame of the seal testing mechanism 2 is made of aluminum profiles, fixed by corner pieces, which is convenient for installation and disassembly. The baffle is installed on the frame through two sets of nylon hinges, and the other baffles are installed through bolts.

It should be noted that each of the left and right sides of the support base 22 is spliced with a U-shaped frame to form the horizontal base 5 of the pneumatic seal automatic testing device provided by the present invention.

Further, please refer to FIG. 3 and FIG. 4 together, as a specific embodiment of the pneumatic seal automatic test device provided by the present invention, the pneumatic equipment 24 of the seal test mechanism 2 mainly includes a cylinder 241, a pneumatic triplet 242, The reversing valve 243, the cylinder 241 is fixed on the front side of the beam of the gantry support frame through the cylinder connecting plate 251, and the cylinder 241 on the front side of the cylinder connecting plate 251 is installed with a clamp connecting plate 254 for connecting the clamp 23 and the cylinder 241, a triple piece 242 is fixed on the rear side of the beam of the gantry support frame through the triple connecting plate 252, the reversing valve 243 is fixed on the side frame beam of the gantry support frame through the reversing valve connecting plate 253, and the connection between the pneumatic equipment 24 and the connecting piece 25 and the connecting piece 25 and aluminum profiles are connected by bolts.

Further, please refer to FIG. 5 together, as a specific embodiment of the pneumatic seal automatic testing device provided by the present invention, the fixture 23 is connected by a triangle to the left side plate 231, the triangle connection plate 232, and the right side plate of the triangle connection. 233. The positioning plate 234, the angle adjustment disc 235, the chapter sleeve 236, and the rubber pad 237 around the chapter are formed. The triangular connecting plate 232 is provided with a through hole corresponding to the clamp connecting plate 254, and the two are connected by bolts; The triangular left and right connecting side plates 231, 233 and the triangular connecting plate 232 are vertically installed on the left and right sides and the rear of the positioning plate 234, and the three are connected by hexagonal nuts to form a stable triangular structure; the hollow circle of the positioning plate 234 and The outer edge of the chapter sleeve 236 has the same size, but is smaller than the outer edge of the angle adjustment disk 235; the angle adjustment disk 235 and the chapter sleeve 236 are provided with corresponding four pairs of through holes, and the connection between the two is realized by bolts. After matching, it is embedded in the hollow circle of the positioning plate 234, and then bolts are used to pass through the positioning plate 234 and the angle adjustment holes on the angle adjustment disc 235 for fixing; there are four bolt holes around the chapter sleeve 236, and the depth of the control bolt can be realized. For the clamping of the stamp 4, a rubber pad 237 is embedded in the inner side of the stamp sleeve 236 to prevent the clamping bolt from directly contacting the surface of the stamp 4.

It should be noted that the angle adjustment disc 235 and the positioning plate 234 are provided with a plurality of angle adjustment holes, and different adjustment holes can correspond to different test angles of the seal; the seal cover 236 and the rubber pad 237 are not unique , The stamp sets with different shapes and sizes on the inside form a set of stamp sets, which are suitable for clamping different stamps.

It should be noted that the pneumatic equipment in the pneumatic seal automatic testing device provided by the present invention can be replaced by a servo motor and a ball screw pair to form an electric automatic seal testing device.

The procedures for controlling the printing and paper feeding mechanism, the mutual communication between the pneumatic equipment and the paper winding mechanism, the response of the photoelectric sensor and the image detection of the above-mentioned pneumatic seal automatic testing mechanism can be realized by using the existing technology, and will not be described in detail here.

In the present invention, under the control of communication devices, induction devices, etc., the cylinder drives the seal to move up and down repeatedly in the vertical direction, and stops for a while at the bottom to simulate the pressing action of manual stamping. The machine is used for testing, and then the test of the service life of the seal is realized.

The invention is simple and reliable in structure and low in manufacturing cost, not only can efficiently solve the problem of tens of thousands of times of life testing of seals, but also the multi-angle testing function improves testing flexibility. After using the test device, it can help manufacturers to effectively ensure product quality and improve test efficiency.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (8)

1. A pneumatic seal automatic testing device is characterized by comprising a printing paper feeding mechanism, a sealing testing mechanism and a paper winding mechanism; the printing paper feeding mechanism and the paper winding mechanism are arranged on two sides of the stamping testing mechanism and are on the same axis; the paper outlet of the paper feeding mechanism faces the seal testing mechanism; the stamping test mechanism comprises a pressing mechanism for driving the stamp to move up and down.

2. The automatic pneumatic seal testing device according to claim 1, wherein the seal testing mechanism further comprises a supporting base and a sealing box mounted on the supporting base; a cross beam is arranged in the closed box; the pressing mechanism is installed on the cross beam.

3. The automatic pneumatic seal testing device according to claim 2, wherein said pressing mechanism comprises a clamp and a pneumatic device; the pneumatic equipment is arranged on the cross beam; the clamp is arranged on the pneumatic equipment; the pneumatic equipment is arranged on the inner side of the closed box; the clamp is arranged on the outer side of the closed box.

4. The automatic pneumatic seal testing device according to claim 3, wherein said pressing mechanism further comprises a connecting member; the connecting piece comprises a cylinder connecting plate, a triple piece connecting plate, a reversing valve connecting plate and a clamp connecting plate; the pneumatic equipment comprises a cylinder, a pneumatic triple piece and a reversing valve; the cylinder is fixed on the front side of the cross beam through a cylinder connecting plate; the clamp is arranged on the cylinder through a clamp connecting plate; the three-way piece is fixed on the rear side of the beam through a three-way piece connecting plate; the reversing valve is fixed on a side frame beam of the closed box through a reversing valve connecting plate.

5. The automatic pneumatic seal testing device according to claim 3, wherein the clamp comprises a triangular connection left side plate, a triangular connection right side plate, a positioning plate, an angle adjusting disc, a seal sleeve and a rubber pad; the triangular connecting plate is arranged on the air cylinder through a clamp connecting plate; the triangular connection left side plate, the triangular connection right side plate and the triangular connection plate are respectively arranged on the left side, the right side and the rear part of the positioning plate; an angle adjusting disc is arranged at the upper part of the positioning plate; the seal sleeve is arranged on the angle adjusting disc and embedded into the hollow circle of the positioning plate.

6. The automatic pneumatic seal testing device according to claim 3, wherein a paper limiting mechanism is further mounted on the supporting base outside the closed box; the paper limiting mechanism comprises a left roller, a printing support plate and a right roller; the left roller and the right roller are arranged on two sides of the printing support plate; the seal is arranged right above the printing support plate through a clamp; and an infrared sensor is arranged above the left roller.

7. The automatic pneumatic seal testing device of claim 6, wherein the left roller and the right roller are mounted on the supporting base through the axle seat fixing member and the axle seat gasket.

8. The automatic pneumatic seal testing device according to claim 2, wherein a communication device and a power supply are further fixed on the supporting base in the closed box; and the power supply is provided with a relay.

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