CN109665291B - Adjustable mechanism for checking front and back surfaces of piston body - Google Patents
Adjustable mechanism for checking front and back surfaces of piston body Download PDFInfo
- Publication number
- CN109665291B CN109665291B CN201910100191.1A CN201910100191A CN109665291B CN 109665291 B CN109665291 B CN 109665291B CN 201910100191 A CN201910100191 A CN 201910100191A CN 109665291 B CN109665291 B CN 109665291B
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- needle
- frame body
- outer diameter
- sliding block
- adjusting knob
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
- B65G47/256—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles removing incorrectly orientated articles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses an adjustable mechanism for checking the front and back surfaces of a piston body, which comprises a checking needle, an adjusting knob, a frame body, a sliding block and a spring, wherein the sliding block is horizontally and slidably connected with the frame body, and the spring is arranged in a groove formed by the frame body and the sliding block; the large outer diameter of the adjusting knob is inserted into a groove formed by the frame body and the sliding block, the detecting needle is in threaded connection with the adjusting knob, and the needle tip width of the detecting needle is in clearance fit with the opening width of the frame body; the small outer diameter of the adjusting knob is a rotating part, and drives the needle to move up and down in the groove; the frame body is of a flat plate structure, an inner-outer transparent opening is formed in the middle of the flat plate in the vertical direction, an L-shaped protruding block is arranged on one side of the opening at the bottom of the flat plate, and a dovetail groove is formed in the other side of the opening at the bottom of the flat plate in the horizontal direction. According to the invention, the front and back inspection mechanism is added on the side wall of the conveyor belt, so that the piston body with the front face facing upwards can be forbidden to pass through the conveyor belt, the abnormal condition of the front and back sides of the piston body can be intuitively reflected, and the front face facing upwards caused by the omission of the manual discharging part can be avoided.
Description
Technical Field
The invention relates to an inspection error-proofing fixture, in particular to an adjustable mechanism for inspecting the front and back surfaces of a piston body.
Background
The piston in the automobile shock absorber is composed of a piston body 1 and a piston film 2, wherein the piston film 2 is wrapped outside an outer diameter groove of the piston body 1, as shown in fig. 1. Before the piston is encapsulated, the front and back faces of all the piston bodies 1 (shown in fig. 2) are required to be consistent, otherwise, the piston film 2 cannot be ensured to be positioned correctly, and the usability of the piston is affected.
In the prior art, the piston body 1 is manually placed on the object stage of the automatic encapsulation machine, and then the piston body 1 is sent to the encapsulation machine through the conveyor belt for encapsulation, so that the front and back faces of the piston body 1 which is required to be sent to the encapsulation machine are consistent, the reverse faces are generally upward, namely, the sides of the larger grooves are at the upper part, but because the two sides of the piston body 1 are extremely similar, whether the front and back faces are reversely put or not is manually judged through the positions of the larger grooves, the situation that individual parts are leaked and reversely put is avoided, and the encapsulation size is influenced.
Disclosure of Invention
Aiming at the defects that the piston of the automobile shock absorber is easy to generate omission and the like when the rubber coating is manually judged on the front side and the back side in the prior art, the invention aims to provide the adjustable mechanism for checking the front side and the back side of the piston body rubber coating, which can effectively avoid manual judgment errors.
In order to solve the technical problems, the invention adopts the following technical scheme:
the invention relates to an adjustable mechanism for checking the front and back surfaces of a piston body, which comprises a checking needle, an adjusting knob, a frame body, a sliding block and a spring, wherein the sliding block is horizontally and slidably connected with the frame body, and the spring is arranged in a groove formed by the frame body and the sliding block; the large outer diameter of the adjusting knob is inserted into a groove formed by the frame body and the sliding block, the detecting needle is in threaded connection with the adjusting knob, and the needle tip width of the detecting needle is in clearance fit with the opening width of the frame body; the small outer diameter of the adjusting knob is a rotating part, and drives the needle to move up and down in the groove.
The frame body is of a flat plate structure, an inner-outer transparent opening is formed in the middle of the flat plate in the vertical direction, an L-shaped protruding block is arranged on one side of the opening at the bottom of the flat plate, and a dovetail groove is formed in the other side of the opening at the bottom of the flat plate in the horizontal direction.
The sliding block is provided with an L-shaped section, two ends of one side of the L-shaped section outwards extend to form a dovetail shape matched with the dovetail groove of the frame body, and the other side of the L-shaped section is matched with the L-shaped protruding block of the frame body to form a groove.
The adjusting knob is provided with a large outer diameter and a small outer diameter which are coaxially arranged, the large outer diameter and the small outer diameter are of an integrated structure, and the small outer diameter is provided with an internal thread which is meshed with the external thread of the needle; the large outer diameter is clamped in a groove formed by the frame body and the sliding block.
The needle comprises a needle handle and a needle head, wherein the needle handle is provided with external threads, the needle head is pen-shaped, and the needle point is flat.
The number of the springs is two, and the springs are arranged at two ends of the opening of the frame body in parallel.
The invention has the following beneficial effects and advantages:
1. according to the invention, the front and back inspection mechanism is added on the side wall of the conveyor belt structure, so that the piston body with the front face upwards can be forbidden to pass through the conveyor belt, the abnormal situation on the front and back sides of the piston body can be intuitively reflected, and the front face upwards caused by the omission of the manual discharging part can be avoided.
2. The invention solves the difficulty that the front and back surfaces of the piston body are easy to put wrong and difficult to find out, and the structure can meet the inspection work of the front and back surfaces of the piston body with different sizes (height and outer diameter), and has strong practicability. The piston rubber coating size is ensured to be correct, and the process of manually checking whether the front side and the back side of the piston body are correct is reduced.
Drawings
FIG. 1 is a schematic illustration of a piston assembly of the present invention;
FIG. 2 is a schematic view showing a state in which the piston body is reversely placed in the present invention;
FIG. 3 is a schematic view of an adjustable mechanism for checking the front and back of a piston body according to the present invention;
FIG. 4A is a front view of a frame according to the present invention;
FIG. 4B is a top view of FIG. 4A;
FIG. 4C is a cross-sectional view A-A of FIG. 4B;
FIG. 5A is a perspective view of a slider according to the present invention;
FIG. 5B is a top view of FIG. 5A;
FIG. 5C is a rear view of FIG. 5A;
FIG. 5D is a side view of FIG. 5A;
FIG. 6A is a front view of the slider and frame of the present invention after mounting a spring;
FIG. 6B is a top view of FIG. 6A;
FIG. 7A is a front view of an adjustment knob according to the present invention;
FIG. 7B is a side view of FIG. 7A;
FIG. 7C is a top view of FIG. 7A;
FIG. 8A is a schematic view of the structure of the needle according to the present invention;
FIG. 8B is a right side view of FIG. 8A;
FIG. 9 is an application installation diagram of the adjustable mechanism of the present invention;
FIG. 10A is a schematic diagram of a piston that can be detected by the present invention;
fig. 10B is an enlarged view of section I of fig. 10A;
FIG. 10C is a schematic diagram of a piston that is not detectable by the present invention;
fig. 10D is an enlarged view of section II of fig. 10C.
Wherein, 1 is the piston body, 101 is the big slot, 102 is the reverse side, 103 is the front, 2 is the piston film, 3 is the needle of examining, 4 is adjust knob, 401 is the screw hole, 5 is the framework, 501 is the opening, 502 is L shape lug, 503 is the dovetail, 504 is inboard, 505 is the outside, 6 is the slider, 7 is the spring, 8 is the needle of examining the projecting amount, 9 is the conveyer belt.
Detailed Description
The invention is further elucidated below in connection with the drawings of the specification.
As shown in fig. 3, the adjustable mechanism for checking the front and back of the piston body comprises a checking needle 3, an adjusting knob 4, a frame 5, a sliding block 6 and a spring 7, wherein the sliding block 6 is horizontally and slidably connected with the frame 5, and the spring 7 is arranged in a groove formed by the frame 5 and the sliding block 6; the large outer diameter of the adjusting knob 4 is inserted into a groove formed by the frame 5 and the sliding block 6, and the needle 3 is in threaded connection with the adjusting knob 4; the width of the needle tip of the detecting needle 3 is in clearance fit with the width of the notch 501 of the frame body 5; the small outer diameter of the adjusting knob 4 is a rotating part, and drives the needle 3 to move up and down in the groove.
The notch 501 is used for the inspection needle 3 to extend from the outside to the inside.
As shown in fig. 4A to 4C, the frame 5 has a flat plate structure, an opening 501 with inner and outer permeability is provided in the middle of the flat plate in the vertical direction, an L-shaped bump 502 is provided on one side of the opening 501, and a dovetail groove 503 in the horizontal direction is provided on the other side of the opening, that is, a slide block slideway shown in fig. 4C.
As shown in fig. 5A to 5D, the slider 6 has an L-shaped cross section, and both ends of one side of the L-shaped cross section extend outward to form a dovetail shape that mates with the dovetail groove of the frame, and the other side mates with the L-shaped projection 502 of the frame to form a groove. The dovetail-shaped lower sharp corner part is matched with the dovetail-groove-shaped slide rail of the slide block, so that the slide block can slide left and right in the range of the slide rail. The sliding block is connected with the frame through two extension springs, the connection mode is shown in fig. 6A-6B, and the two springs are arranged at two ends of the opening of the frame body in parallel.
As shown in fig. 7A to 7C, the adjusting knob 4 has a large outer diameter and a small outer diameter which are coaxially arranged, and are of an integrated structure, and the small outer diameter is provided with an internal thread which is meshed with an external thread of the needle; the large outer diameter is clamped in a groove formed by the frame body 5 and the sliding block 6.
As shown in fig. 8A to 8B, the needle 3 comprises a handle and a needle head, wherein the handle is provided with external threads, the needle head is pen-shaped, and the needle tip is flat.
The external thread of the detecting needle 3 is matched with the internal thread of the adjusting knob 4, the tip part width H of the detecting needle 3 is in clearance fit with the opening width H of the frame body 501, and the detecting needle 3 does not rotate relative to the frame body 5. The large outer diameter part of the adjusting knob 4 is inserted into a groove between the frame 5 and the sliding block 6, the adjusting knob 4 can drive the needle 3 to move up and down in the groove, and the adjusting knob 4 clamped in the groove can be kept fixed at a certain height position through the tensioning action of the stretching spring 7 between the frame 5 and the sliding block 6. When the adjusting knob 4 rotates, the detecting needle 3 can only axially move relative to the adjusting knob 4 due to the limiting effect of the frame opening 501 on the rotation of the detecting needle 3, so that the extending amount of the detecting needle 3 can be adjusted. The structure can meet the inspection work of the front and back surfaces of the rubber coating of piston bodies with different sizes,
as shown in fig. 9 and 10A to 10D, the operation of the inspection mechanism is schematically illustrated. Install this adjustable mechanism for piston body positive and negative inspection on the lateral wall of conveyer belt structure, can prohibit the positive up piston body through the conveyer belt, intuitively reflect the positive and negative abnormal conditions of appearance of piston body, the positive up condition that the manual work was put the piece and is dredged and arouse is specifically: when the larger notch of the piston body 1 is arranged at the upper part, namely the reverse side of the piston body 1 is upwards, the corresponding position and the extension amount of the detection needle 3 are adjusted, and the piston can pass through the detection needle 3 along with the conveying belt 9; then the sliding block 6 is used for clamping the adjusting knob 4 to fix the adjusting knob; when the piston body 1 is right side up, the notch at the position of the detecting needle 3 is smaller or has no notch, and the piston body 1 can not move continuously along with the conveying belt 9 due to the blocking effect of the detecting needle 3, so that the difference products on the front and the back of the piston body 1 on the conveying belt can be effectively detected.
Claims (4)
1. The utility model provides an adjustable mechanism is used in inspection of piston body positive and negative which characterized in that: the device comprises a needle, an adjusting knob, a frame body, a sliding block and a spring, wherein the sliding block is horizontally and slidably connected with the frame body, and the spring is arranged in a groove formed by the frame body and the sliding block; the large outer diameter of the adjusting knob is inserted into a groove formed by the frame body and the sliding block, the detecting needle is in threaded connection with the adjusting knob, and the needle tip width of the detecting needle is in clearance fit with the opening width of the frame body; the small outer diameter of the adjusting knob is a rotating part, and drives the needle to move up and down in the groove;
the frame body is of a flat plate structure, an inner-outer through opening is formed in the middle of the flat plate in the vertical direction, an L-shaped protruding block is arranged on one side of the opening at the bottom of the flat plate, and a dovetail groove is formed in the other side of the opening at the bottom of the flat plate in the horizontal direction; the needle comprises a needle handle and a needle head, wherein the needle handle is provided with external threads, the needle head is pen-shaped, and the needle point is flat.
2. The adjustable mechanism for checking the front and back of a piston body according to claim 1, wherein: the sliding block is provided with an L-shaped section, two ends of one side of the L-shaped section outwards extend to form a dovetail shape matched with the dovetail groove of the frame body, and the other side of the L-shaped section is matched with the L-shaped protruding block of the frame body to form a groove.
3. The adjustable mechanism for checking the front and back of a piston body according to claim 1, wherein: the adjusting knob is provided with a large outer diameter and a small outer diameter which are coaxially arranged, the large outer diameter and the small outer diameter are of an integrated structure, and the small outer diameter is provided with an internal thread which is meshed with the external thread of the needle; the large outer diameter is clamped in a groove formed by the frame body and the sliding block.
4. The adjustable mechanism for checking the front and back of a piston body according to claim 1, wherein: the number of the springs is two, and the springs are arranged at two ends of the opening of the frame body in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910100191.1A CN109665291B (en) | 2019-01-31 | 2019-01-31 | Adjustable mechanism for checking front and back surfaces of piston body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910100191.1A CN109665291B (en) | 2019-01-31 | 2019-01-31 | Adjustable mechanism for checking front and back surfaces of piston body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109665291A CN109665291A (en) | 2019-04-23 |
| CN109665291B true CN109665291B (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910100191.1A Active CN109665291B (en) | 2019-01-31 | 2019-01-31 | Adjustable mechanism for checking front and back surfaces of piston body |
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| CN (1) | CN109665291B (en) |
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