CN220541911U - Piston rod detection device - Google Patents

Abstract

The utility model relates to the technical field of detection of the length of a piston rod, in particular to a piston rod detection device which can enable the piston rod to be fixed more stably, avoid movement in the detection process, effectively improve the automation degree of detection and improve the detection convenience; including detecting the platform, it is connected with four sets of landing legs to detect a bottom, place the board and install on detecting the bench, place to be equipped with the guide way on the board, place fixedly mounted on the board and have biax motor, bilateral symmetry's rotation is equipped with two sets of transmission lead screws in the guide way, two sets of inboard one ends of transmission lead screw are connected with the output of biax motor both sides respectively, go up electric putter output and be connected with the briquetting, all be equipped with the V-arrangement groove on two sets of layer boards and the briquetting, mount front end upside is connected with the scale, two sets of splint front ends all are connected with L shape measuring stick, two sets of L shape measuring stick tops all are connected with L shape measuring needle, and two sets of L shape measuring needle inboard are on the coplanar with two sets of splint inboard respectively.

Description

Piston rod detection device

Technical Field

The utility model relates to the technical field of piston rod length detection, in particular to a piston rod detection device.

Background

The piston rod is a connecting part for supporting the piston to do work, most of the piston rod is applied to an oil cylinder and air cylinder movement executing part, is a moving part with frequent movement and high technical requirements, and is mainly used for hydraulic pneumatic, engineering machinery, piston rods for automobile manufacturing, guide posts of plastic machinery, roll shafts of packaging machinery and printing machinery, textile machinery, axes for conveying machinery and linear optical axes for linear movement.

In the production and processing process of the piston rod, in order to ensure the subsequent assembly, the length of the piston rod is usually required to be detected, in the prior art, when the length of the piston rod is detected, an operator holds a caliper to manually measure, and the measuring efficiency of the measuring mode is extremely low and the measuring error is large.

Through retrieving, chinese patent publication No. CN 206670509U's a work piece length detection frock includes: the device comprises a base, a dial indicator clamp and two V-shaped frames, wherein the dial indicator clamp and the two V-shaped frames are positioned on the base, a measuring space for accommodating a workpiece is formed between the two V-shaped frames, a sliding rail is further arranged on one side of the measuring space on the base, the sliding rail is perpendicular to the central connecting line of the two V-shaped frames, the dial indicator clamp is slidably fixed in the sliding rail, the dial indicator is fixed on the dial indicator clamp, and the axis of the meter head of the dial indicator is parallel to the central connecting line of the two V-shaped frames. The workpiece length detection tool of the embodiment is adopted to place a standard workpiece into a measurement space, one end of the standard workpiece is abutted against a V-shaped frame, the other end of the standard workpiece is contacted with a dial indicator head, a numerical value read by the dial indicator is used as a standard value corresponding to the measurement length d, the workpiece to be detected is placed into the measurement space in the same mode during detection, and whether the workpiece to be detected is in an error range of the standard value is judged through the dial indicator reading, so that the effects of accurate measurement and high efficiency are achieved. The dial indicator clamp moves on the sliding rail, the dial indicator can measure a plurality of points on the end face of the workpiece in the horizontal direction, and the dial indicator clamp can move to two sides of the hollow workpiece to measure respectively, so that more accurate measurement is achieved.

Through retrieving, chinese patent publication No. CN 212747583U's a long piston rod length detection frock, a long piston rod length detection frock includes: the device comprises a base, a first V-shaped block, a second V-shaped block, a caliper head mounting bracket, a caliper head clamping device, a caliper tail mounting bracket and a caliper tail clamping device; the base is provided with a V-shaped block slideway, the first V-shaped block and the second V-shaped block are slidably clamped in the V-shaped block slideway along the length direction, the first V-shaped block and the second V-shaped block are respectively provided with a V-shaped clamping groove, the two V-shaped clamping grooves are positioned on the same straight line, the piston rod is clamped and installed in the two V-shaped clamping grooves, and stable placement of the piston rod is realized. The two ends of the caliper are respectively clamped in the caliper head clamping device and the caliper tail clamping device, the caliper head clamping device and the caliper tail clamping device 7 are respectively hinged to the caliper head mounting bracket 5 and the caliper tail mounting bracket 8, and through the arrangement, the mounting angle of the caliper can be adjusted, so that the measuring requirements of piston rods with different diameters are met.

The prior art can solve the technical problem of the conventional length measurement of the piston rod, but has certain defects that the piston rod is unstable in fixation, and is easy to move in the length detection process, so that the degree of automation is low, and the detection convenience is poor.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the piston rod detection device which can enable the piston rod to be fixed more stably, avoid movement in the detection process, effectively improve the detection automation degree and improve the detection convenience.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: including detecting platform, fixture and measuring mechanism, it is connected with four sets of landing legs to detect a bottom end, fixture is including placing the board, place the board and install on detecting the bench, be equipped with the guide way on placing the board, place fixedly mounted with biax motor on the board, bilateral symmetry's rotation is equipped with two sets of transmission lead screw in the guide way, two sets of inboard one end of transmission lead screw is connected with the output of biax motor both sides respectively, be equipped with the screw thread that revolves opposite direction on two sets of transmission lead screw respectively, equal spiral shell dress has the layer board on two sets of transmission lead screw, two sets of layer boards are through the slidable mounting with the cooperation symmetry of guide way on placing the board, it is connected with the mount to detect a top, electric putter is installed on the mount top, go up electric putter output is connected with the briquetting, all be equipped with the V-arrangement groove on two sets of layer boards and the briquetting, measuring mechanism is including two sets of side electric putter symmetrical install on the mount, two sets of side electric putter's output all is connected with the splint, mount front end upside is connected with the scale, two sets of front end all are connected with L shape measuring rod, L shape measuring needle is connected with L shape measuring needle on two sets of inboard needle respectively.

Preferably, the top end of the detection table is provided with a slot, the placement plate is slidably mounted on the detection table through matching with the slot, the front end of the detection table is provided with an electric push-pull rod, and the output end of the electric push-pull rod is connected with the front end of the placement plate.

Preferably, the front end of the placing plate is symmetrically connected with two groups of guide rods, the front end of the detection table is communicated with the grooves and is provided with two sliding sides, and the two groups of guide rods respectively penetrate through the two groups of sliding holes.

Preferably, the bottom ends of the four groups of supporting legs are respectively provided with an adjusting stud in a threaded manner, and the bottom ends of the four groups of adjusting studs are respectively connected with a supporting plate.

Preferably, the adjusting stud is fixedly sleeved with a fixing piece.

Preferably, the bottom of backup pad is connected with anti-skidding cushion.

Compared with the prior art, the utility model has the beneficial effects that: when detecting the piston rod, earlier through starting biax motor, make biax motor drive transmission lead screw rotate, transmission lead screw drives the layer board along the guide way spout through the cooperation of screw thread, thereby adjust the interval of layer board, then place the piston rod that will wait to detect on the layer board, make the layer board can hold in the piston rod suitable position, through starting side electric putter, side electric putter drives splint and moves to the inboard, thereby make splint promote the piston rod and remove, and then make the piston rod put centrally, through starting electric putter, go up electric putter and promote the briquetting and move down, make the briquetting press on the piston rod, thereby fix the piston rod under the effect of layer board and briquetting, be equipped with the numerical value on the scale, and the numerical value is from the centre to both sides grow gradually, the piston rod is put in the middle, both sides laminating with splint inboard, through observing the directional numerical value of two sets of L shape measurement needle, the two alright be added and be drawn the concrete length of piston rod, through fixture and measuring mechanism that sets up, can make the piston rod fixed more stable, avoid producing the removal in the testing process, effectively improve the degree of automation that detects, and detect the convenience.

Drawings

FIG. 1 is a schematic illustration of an axially measured structure of the present utility model;

FIG. 2 is a schematic front side view of the present utility model;

FIG. 3 is a right side schematic view of the present utility model;

FIG. 4 is a schematic view of the A-A cross-sectional structure of the present utility model;

FIG. 5 is a schematic view of the partial enlarged structure at A of the present utility model;

the reference numerals in the drawings: 1. a detection table; 2. a support leg; 3. placing a plate; 4. a biaxial motor; 5. a transmission screw rod; 6. a supporting plate; 7. a fixing frame; 8. an upper electric push rod; 9. briquetting; 10. a side electric push rod; 11. a clamping plate; 12. a ruler; 13. an L-shaped measuring rod; 14. an L-shaped measuring needle; 15. slotting; 16. an electric push-pull rod; 17. a guide rod; 18. adjusting the stud; 19. a support plate; 20. a fixing piece; 21. an anti-skid rubber cushion.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

Example 1

Referring to fig. 1-5, the piston rod detection device of the utility model comprises a detection table 1, four groups of supporting legs 2 are connected to the bottom end of the detection table 1, a placement plate 3 is installed on the detection table 1, a guide groove is formed in the placement plate 3, a double-shaft motor 4 is fixedly installed on the placement plate 3, two groups of transmission screw rods 5 are symmetrically arranged in the guide groove in a rotating way, one inner side ends of the two groups of transmission screw rods 5 are respectively connected with output ends of two sides of the double-shaft motor 4, threads with opposite rotation directions are respectively arranged on the two groups of transmission screw rods 5, supporting plates 6 are respectively sleeved on the two groups of transmission screw rods 5 in a threaded way, the two groups of supporting plates 6 are installed on the placement plate 3 in a sliding way through matching symmetry with the guide groove, a fixing frame 7 is connected to the top end of the detection table 1, an upper electric push rod 8 is installed on the top end of the fixing frame 7, output ends of the upper electric push rod 8 are connected with pressing blocks 9, V-shaped grooves are respectively formed in the two groups of supporting plates 6 and the pressing blocks 9, two groups of side electric push rods 10 are symmetrically installed on the fixing frame 7, output ends of the two groups of side electric push rods 10 are respectively connected with clamping plates 11, the upper sides of the front ends of 7 are respectively connected with 12, two groups of L-shaped measuring rods 11 are respectively connected with two groups of L-shaped measuring pins 13, and the two groups of L-shaped measuring pins 13 are respectively connected with the two inner sides of L-shaped measuring pins 13, and the two groups of L-shaped measuring needle rods are respectively connected with the two L-shaped measuring plane surfaces, and the L-shaped measuring needle rods are respectively; when detecting the piston rod, firstly, drive the transmission lead screw 5 through starting biax motor 4, drive the layer board 6 through the cooperation of screw thread and rotate along the guide way spout by transmission lead screw 5, thereby adjust the interval of layer board 6, then place the piston rod of waiting to detect on layer board 6, make layer board 6 hold in the proper position of piston rod, through starting side electric putter 10, side electric putter 10 drives splint 11 and moves inwards, thereby make splint 11 promote the piston rod and remove, and then make the piston rod put and center, through starting electric putter 8, go up electric putter 8 and promote briquetting 9 and move downwards, make briquetting 9 press on the piston rod, thereby fix the piston rod under the effect of layer board 6 and briquetting 9, be equipped with the numerical value on scale 12, and the numerical value is progressively grow from the centre to both sides, when the piston rod is placed at the center, both sides are laminated with splint 11 inboard, through observing the numerical value that two sets of L shape measurement needle 14 point, the concrete length of piston rod can be obtained through setting up, the fixture and the measuring mechanism that the side electric putter 10, can make the piston rod fix more stable, avoid the in-process to produce the removal, effectively improve the automated detection degree, the degree of convenience is improved.

Example 2

Referring to fig. 1-5, the piston rod detection device of the present utility model comprises a detection table 1, wherein the bottom end of the detection table 1 is connected with four groups of support legs 2, a placement plate 3 is installed on the detection table 1, a guide groove is arranged on the placement plate 3, a double-shaft motor 4 is fixedly installed on the placement plate 3, two groups of transmission screw rods 5 are symmetrically rotated left and right in the guide groove, one end of the inner side of each transmission screw rod 5 is respectively connected with the output ends of two sides of the double-shaft motor 4, the two groups of transmission screw rods 5 are respectively provided with threads with opposite rotation directions, the two groups of transmission screw rods 5 are respectively provided with a supporting plate 6 in a threaded manner, the two groups of supporting plates 6 are installed on the placement plate 3 in a sliding manner symmetrical with the cooperation of the guide groove, the top end of the detection table 1 is connected with a fixing frame 7, the top end of the fixing frame 7 is provided with an upper electric push rod 8, the output ends of the upper electric push rods 8 are connected with pressing blocks 9, V-shaped grooves are formed in the two groups of supporting plates 6 and the pressing blocks 9, the two groups of side electric push rods 10 are symmetrically arranged on a fixing frame 7, the output ends of the two groups of side electric push rods 10 are connected with clamping plates 11, the upper side of the front end of the fixing frame 7 is connected with a scale 12, the front ends of the two groups of clamping plates 11 are connected with L-shaped measuring rods 13, the top ends of the two groups of L-shaped measuring rods 13 are connected with L-shaped measuring needles 14, the inner sides of the two groups of L-shaped measuring needles 14 are respectively on the same plane with the inner sides of the two groups of clamping plates 11, a groove 15 is formed in the top end of a detection table 1, a placing plate 3 is slidably arranged on the detection table 1 through matching with the groove 15, an electric push-pull rod 16 is arranged at the front end of the detection table 1, and the output end of the electric push-pull rod 16 is connected with the front end of the placing plate 3; when detecting the piston rod, firstly, through starting the double-shaft motor 4, make the double-shaft motor 4 drive transmission lead screw 5 rotate, transmission lead screw 5 drives layer board 6 along the guide way spout through the cooperation of screw thread, thereby adjust the interval of layer board 6, then place the piston rod that waits to detect on layer board 6, make layer board 6 can hold in the piston rod suitable position, through starting side electric putter 10, side electric putter 10 drives splint 11 and moves inboard, thereby make splint 11 promote the piston rod and remove, and then make the piston rod put and put centrally, through starting electric putter 8, go up electric putter 8 and promote briquetting 9 and move downwards, make briquetting 9 press on the piston rod, thereby fix the piston rod under the effect of layer board 6 and briquetting 9, be equipped with the numerical value on scale 12, and the numerical value is from the centre to both sides progressively grow, when the piston rod is placed centrally, both sides are laminated with splint 11 inboard, through observing the numerical value that two sets of L shape measurement needle 14 are directional, the concrete length of piston rod, through clamping mechanism and the measuring mechanism that sets up, can make the push-pull fixed push-pull be more stable, thereby, avoid the detection in-pull to produce the in-pull, effectively improve the automated detection degree, and put the electric putter 3, when putting the plate is placed from the mount 16 to the place from the position of the support rod, and put the support plate is placed to the place from the place at the position more convenient place plate 3, when setting up the piston rod is more convenient to put down by setting up the 16, and put the piston rod from the support plate 3, and put down the convenience is placed from the place at the place plate 3, then, and put down the piston rod is convenient to be placed under the place by setting plate and put down the rod and put down.

Referring to fig. 1, two sets of guide rods 17 are symmetrically connected to the front end of the placement plate 3, two sides of the front end of the detection table 1 are provided with two sliding grooves 15, and the two sets of guide rods 17 respectively pass through the two sets of sliding holes; by providing the guide bar 17, the placing plate 3 can be made more stable when sliding.

Referring to fig. 1, the bottom ends of the four groups of supporting legs 2 are respectively provided with an adjusting stud 18 in a threaded manner, and the bottom ends of the four groups of adjusting studs 18 are respectively connected with a supporting plate 19; by arranging the adjusting stud 18 and the supporting plate 19, adjustment can be conveniently performed according to the flatness of the ground, so that the detection table 1 is placed more stably.

Referring to fig. 1, a fixing piece 20 is fixedly sleeved on the adjusting stud 18; by providing the fixing piece 20, the adjusting stud 18 can be more convenient in rotation adjustment.

Referring to fig. 1, the bottom end of the supporting plate 19 is connected with an anti-slip rubber pad 21; by providing the anti-slip rubber pad 21, friction at the bottom of the support plate 19 can be increased, and slipping can be prevented.

When the piston rod detection device is used for detecting a piston rod, the double-shaft motor 4 is started firstly, the double-shaft motor 4 drives the transmission screw rod 5 to rotate, the transmission screw rod 5 drives the supporting plate 6 to slide along the guide groove through threaded cooperation, so that the distance between the supporting plates 6 is adjusted, then the piston rod to be detected is placed on the supporting plate 6, the supporting plate 6 can be supported at a proper position of the piston rod, the side electric push rod 10 is started, the clamping plate 11 is driven to move inwards by the side electric push rod 10, so that the clamping plate 11 pushes the piston rod to move, the piston rod is placed in the middle, the upper electric push rod 8 is started, the pressing block 9 is pushed to move downwards, so that the pressing block 9 presses the piston rod, the piston rod is fixed under the action of the supporting plate 6 and the pressing block 9, the numerical values are arranged on the scale 12, the numerical values gradually become larger from the middle to the two sides, when the piston rod is centered, the two sides are attached to the inner side of the clamping plate 11, and the specific length of the piston rod can be obtained by observing the numerical values pointed by the two groups of L-shaped measuring needles 14.

The installation mode, the connection mode or the setting mode of the piston rod detection device are common mechanical modes, and the piston rod detection device can be implemented as long as the beneficial effects can be achieved; the double-shaft motor, the upper electric push rod, the side electric push rod and the electric push rod of the piston rod detection device are purchased in the market, and can be installed and operated by a person skilled in the art only according to the attached use instruction.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (6)

1. The piston rod detection device comprises a detection table (1), and is characterized by further comprising a clamping mechanism and a measuring mechanism;

the device comprises a detection table (1), wherein the bottom end of the detection table (1) is connected with four groups of supporting legs (2);

the clamping mechanism comprises a placing plate (3), the placing plate (3) is arranged on a detection table (1), a guide groove is formed in the placing plate (3), a double-shaft motor (4) is fixedly arranged on the placing plate (3), two groups of transmission screw rods (5) are symmetrically rotated in the guide groove, one ends of the inner sides of the two groups of transmission screw rods (5) are respectively connected with output ends of two sides of the double-shaft motor (4), threads with opposite rotation directions are respectively arranged on the two groups of transmission screw rods (5), supporting plates (6) are respectively sleeved on the two groups of transmission screw rods (5) in a threaded manner, the two groups of supporting plates (6) are symmetrically arranged on the placing plate (3) in a sliding manner through the matching with the guide groove, a fixing frame (7) is connected to the top end of the detection table (1), an upper electric push rod (8) is arranged on the top end of the fixing frame (7), a pressing block (9) is connected to the output end of the upper electric push rod (8), and V-shaped grooves are respectively arranged on the two groups of supporting plates (6) and the pressing block (9).

The measuring mechanism comprises two groups of side electric push rods (10), fixing frames (7) are symmetrically arranged on the two groups of side electric push rods (10), clamping plates (11) are connected to the output ends of the two groups of side electric push rods (10), a scale (12) is connected to the upper side of the front end of each fixing frame (7), L-shaped measuring rods (13) are connected to the front ends of the two groups of clamping plates (11), L-shaped measuring needles (14) are connected to the top ends of the two groups of L-shaped measuring rods (13), and the inner sides of the two groups of L-shaped measuring needles (14) are respectively on the same plane with the inner sides of the two groups of clamping plates (11).

2. A piston rod detection device as claimed in claim 1, characterized in that the top end of the detection table (1) is provided with a slot (15), the placement plate (3) is slidably mounted on the detection table (1) through cooperation with the slot (15), the front end of the detection table (1) is provided with an electric push-pull rod (16), and the output end of the electric push-pull rod (16) is connected with the front end of the placement plate (3).

3. A piston rod detection device according to claim 2, characterized in that the front end of the placing plate (3) is symmetrically connected with two groups of guide rods (17), the front end of the detection table (1) is communicated with the slot (15) and is provided with two sliding sides, and the two groups of guide rods (17) respectively pass through the two groups of sliding holes.

4. A piston rod detection device according to claim 3, wherein the bottom ends of the four groups of support legs (2) are respectively provided with an adjusting stud (18) in a threaded manner, and the bottom ends of the four groups of adjusting studs (18) are respectively connected with a supporting plate (19).

5. A piston rod detection arrangement according to claim 4, characterized in that the adjustment stud (18) is fixedly sleeved with a fixing piece (20).

6. A piston rod detection arrangement according to claim 5, characterized in that the bottom end of the support plate (19) is connected with an anti-slip rubber pad (21).