CN212109801U

CN212109801U - Carbide axle sleeve terminal surface degree of beating detects frock

Info

Publication number: CN212109801U
Application number: CN202020760423.4U
Authority: CN
Inventors: 谢贤建; 李威; 史恋涛
Original assignee: Guanghan Hongda Carbide Solution Co ltd
Current assignee: Guanghan Hongda Carbide Solution Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-12-08
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a carbide axle sleeve end face run-out degree detects frock, including the workstation, backup pad (11) and bracing piece (2) of setting on the workstation set up drive mechanism and the positioning mechanism in backup pad (11) respectively, set up spacing needle (3) on bracing piece (2) to and set up run-out degree detector (6) on bracing piece (2) and be located spacing needle (3) top. The utility model discloses a setting has two roller bearings of positioning mechanism and drive mechanism of two pinch rollers, constitutes an anchor clamps jointly, makes can be steady along with the roller bearing rotation by survey cylinder or cylinder ring, the effectual horizontal hunting degree when having reduced the measured workpiece rotation to the effectual accuracy that has improved cylinder or cylinder ring end face run-out degree and detect has improved detection efficiency simultaneously.

Description

Carbide axle sleeve terminal surface degree of beating detects frock

Technical Field

The utility model relates to a carbide goods detects technical field, specifically provides a carbide axle sleeve end face run-out degree detects frock.

Background

At present, the tool for detecting the end face run-out degree of a cylinder or a cylindrical ring mainly comprises: a deflectometer and a three-coordinate instrument. The runout precision measured by the deflection instrument is poor, the measurement accuracy is limited by the precision of the auxiliary tool and the level of an operator, and the detection has limitation. The three-coordinate system has good precision, but the detection efficiency is low, and the three-coordinate system is not suitable for large-batch trivial detection. Therefore, a tool for detecting the end face runout of the hard alloy shaft sleeve, which is suitable for large-batch detection and can improve the detection accuracy and efficiency, is urgently needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the above-mentioned defect that current carbide axle sleeve runout degree detection frock exists, provide one kind applicable in large batch detection, and can improve the carbide axle sleeve runout degree detection frock that detects precision, efficiency.

The purpose of the utility model is realized through the following technical scheme: a tool for detecting the run-out degree of the end face of a hard alloy shaft sleeve comprises a workbench, a supporting plate and a supporting rod which are arranged on the workbench, a transmission mechanism and a positioning mechanism which are respectively arranged on the supporting plate, a limiting needle arranged on the supporting rod, and a run-out degree detector which is arranged on the supporting rod and is positioned above the limiting needle; the positioning mechanism is positioned above the transmission mechanism.

Further, the jitter detector is a dial indicator or a dial indicator; the jumping degree detector is installed on the supporting rod through a sliding arm, the sliding arm is sleeved on the supporting rod, and a positioning bolt is arranged on the sliding arm.

The transmission mechanism comprises a driving wheel, two driven wheels matched with the driving wheel, a rolling shaft arranged on the driven wheels, belts respectively connected with the driving wheel and the two driven wheels, and a driving device arranged on the driving wheel; the driving wheel and the two driven wheels are respectively arranged on the supporting plate through bearings.

Still further, the driving device is a crank or a motor.

The positioning mechanism comprises a sliding device and a pressing device arranged on the sliding device; the sliding device comprises a support arm arranged on the support plate and a sliding block sleeved on the support arm; the pressing device is arranged on the sliding block; and the sliding block is provided with a mounting hole and a locking screw rod.

The pressing device comprises a connecting arm, a pressing plate, two pressing wheels and a pressure spring, wherein the connecting arm is arranged on the sliding block and penetrates through the mounting hole; one end of the pressure spring is contacted with the sliding block, and the other end of the pressure spring is propped against the pressure plate.

As another preferable scheme, a slide rail is further arranged on the workbench and is positioned right below the two driven wheels; the slide rail is a square rail; the support rod is installed on the slide rail through a sliding sleeve.

Compared with the prior art, the utility model, have following advantage and beneficial effect:

(1) the utility model discloses a setting has two roller bearings of positioning mechanism and drive mechanism of two pinch rollers, constitutes an anchor clamps jointly, makes can be steady along with the roller bearing rotation by survey cylinder or cylinder ring, the effectual horizontal hunting degree when having reduced the measured workpiece rotation to the effectual accuracy that has improved cylinder or cylinder ring end face run-out degree and detect has improved detection efficiency simultaneously.

(2) The utility model discloses a slide rail that the setting can make run-out degree detector and spacing needle lateral shifting cooperatees with the cursor slide that can make run-out degree detector reciprocate, has realized detecting cylinder or cylinder ring to different volumes to can be continuous to detect cylinder and cylinder ring a large amount of perhaps the volume difference.

Drawings

Fig. 1 is a structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the compressing device of the present invention.

Fig. 3 is a schematic diagram of the structure of the transmission mechanism of the present invention.

Fig. 4 is a schematic structural diagram of the slider of the present invention.

The reference numbers in the drawings are:

the device comprises a sliding rail 1, a supporting rod 2, a limiting pin 3, a sliding arm 4, a positioning bolt 5, a jumping degree detector 6, a pressure spring 7, a sliding block 8, a locking screw rod 9, a supporting arm 10, a supporting plate 11, a connecting arm 12, a pressing plate 13, a pressing wheel 14, a driven wheel 15, a belt 16, a driving wheel 17, a driving device 18, a driving device 19, a rolling shaft 20, a sliding sleeve 21, a mounting hole 22, a support 23 and a table board.

Detailed Description

The present invention will be described in further detail with reference to examples, but the embodiments of the present invention are not limited thereto.

Examples

As shown in fig. 1, the utility model discloses a carbide axle sleeve end face run-out degree detects frock, it includes the workstation, backup pad 11, bracing piece 2, drive mechanism, positioning mechanism, spacing needle 3 to and run-out degree detector 6. The workbench in this embodiment is a workbench of a conventional detection tool, and generally includes a support 22, a table 23, a controller, and other structures, and as the machine body is the prior art, the structure thereof is not described herein again.

In specific implementation, the supporting plate 11 and the supporting rod 2 are as shown in fig. 1, the supporting plate 11 and the supporting rod 2 are respectively fixed on the workbench through screws, the supporting plate 11 and the supporting rod 2 are symmetrically arranged, and the supporting rod 2 is located on a vertical centerline of the supporting plate 11. The transmission mechanism and the positioning mechanism are respectively arranged on the supporting plate 11. The transmission mechanism is shown in fig. 1 and 3, and includes a driving wheel 17, two driven wheels 15 engaged with the driving wheel 17, a roller 19 disposed on the driven wheels 15, a belt 16 connected to the driving wheel 17 and the two driven wheels 15, respectively, and a driving device 18 disposed on the driving wheel 17. Specifically, the number of rollers 19 is two, which is the same as the number of driven wheels 15. The two driven wheels 15 are symmetrically and horizontally arranged on the supporting plate 11 through bearings, that is, the two rollers 19 connected with the driven wheels 15 are also horizontally arranged. The cylinder or cylinder ring to be measured is placed in the groove formed between the two rollers 19, and when the two rollers 19 rotate, the cylinder or cylinder ring rotates along with the rollers 19. The driving wheel 17 is located below the driven wheels 15, the driving wheel 17 is also arranged on the supporting plate 11 through a bearing, and the belt 16 is connected with the driving wheel 17 and the driven wheels 15 so that the driving wheel 17 and the driven wheels 15 form an equilateral triangle. The driving device 18 is a crank or a motor. When a few cylindrical or cylindrical ring workpieces are detected, the driving device 18 can be set as a crank handle, and when a large batch of cylindrical or cylindrical ring workpieces are detected, the driving device 18 can be set as a motor, so that the detection efficiency and quality are ensured.

Further, the positioning mechanism comprises a sliding device and a pressing device. The positioning mechanism is positioned above the transmission mechanism. As shown in fig. 1 and 1, the sliding device includes a support arm 10 and a slider 8. The arm 10 is mounted on the support plate 11 by means of bolts. The sliding block 8 is sleeved on the support arm 10, a locking screw 9 capable of fixing the sliding block 8 on any position of the support arm 10 is arranged on the sliding block 8, and the sliding block 8 is further provided with a mounting hole 21. The pressing device is mounted on the slide block 8. Meanwhile, the pressing means includes a connecting arm 12, a pressing plate 13, a pressing wheel 14, and a pressure spring 7. Specifically, the connecting arm 12 is mounted on the sliding block 8 and passes through the mounting hole 21, the diameter of the connecting arm 12 is slightly smaller than the inner diameter of the mounting hole 21, and the connecting arm 12 can freely move up and down in the mounting hole 21. The connecting arm 12 is provided with a nut at one end of the upper opening of the mounting hole 21 during the specific mounting to prevent the connecting arm 12 from falling out of the mounting hole 21. The pressure plate 13 is arranged on the connecting arm 12, and the fixing mode of the pressure plate 13 and the connecting arm 12 can be welding or threaded connection. The pressing wheels 14 are arranged on the pressing plate 13, in this embodiment, the number of the pressing wheels 14 is two, the two pressing wheels 14 are symmetrically arranged on the pressing plate 13 through screws, the pressing wheels 14 are located above the rolling shafts 19, and the center lines of the axes of the pressing wheels 14 and the axes of the rolling shafts 19 are located on the same vertical line. The pressure spring 7 is sleeved on the connecting arm 12, one end of the pressure spring 7 is contacted with the sliding block 8, and the other end of the pressure spring is propped against the pressing plate 13. The compression spring 7 can apply a downward pressure to the pressure plate 13 and the pressure roller 14.

Furthermore, a limiting pin 3 for transversely fixing the detected workpiece is fixed on the support rod 2 through a screw. When the cylinder or the cylindrical ring to be measured has two ends with different sizes, the cylinder or the cylindrical ring can move to the end with the small end body when rotating along with the driven wheel 15, at the moment, the limiting pin 3 can fix the cylinder or the cylindrical ring on the measured position, and the jumping degree of the lower end surface of the cylinder or the cylindrical ring can be kept pressed on a value. The run-out detector 6 is arranged on the support rod 2 and above the limit needle 3, the run-out detector 6 is arranged on the support rod 2 through a slide arm 4 in the embodiment, and the slide arm 4 is sleeved on the support rod 2, so that the run-out detector 6 can move up and down along the support rod 2. In order to fix the runout detector 6 at a desired arbitrary detection height, the slide arm 4 is provided with a positioning bolt 5. The jitter degree detector 6 can be implemented by a dial indicator or a dial indicator in specific use, and in this embodiment, the dial indicator is preferably implemented.

In order to enable the end face run-out detection tool to be better used for detecting cylinders or cylindrical rings with different volumes, a sliding rail 1 is further arranged on the workbench, the sliding rail 1 is fixed on a table top 23 through screws, and the sliding rail 1 is located right below two driven wheels 15. The support rod 2 is arranged on the slide rail 1 through the sliding sleeve 20, so that the support rod 2 can move left and right along the slide rail 1, even if the distance between the jumping degree detector 6 and the spacing needle 3 and the rolling shaft 19 can be adjusted as required.

In operation, the attachment arm 12 is raised, i.e., the puck 14 is raised, and the puck 14 is lowered after the cylinder or cylinder ring to be inspected is placed in the pocket formed between the rollers 19. At this time, the cylinder or the cylindrical ring to be detected is clamped by the two pressing wheels 14 and the two rolling shafts 19, so that the cylinder or the cylindrical ring to be detected does not move longitudinally when rotating, and the detection accuracy is ensured. The roller 19 drives the cylinder or the cylindrical ring to rotate through the driving device 18, the lower end of the cylinder or the cylindrical ring is kept at the same jumping value through the limiting needle 3, the upper end face of the cylinder or the cylindrical ring is in contact with a measuring rod of the jumping degree detector 6, the tiny linear movement of the measuring rod of the jumping degree detector 6 is amplified through the gear transmission of the jumping degree detector 6 and is changed into the rotation of the indicator on the dial, and 1/2 of the difference between the maximum value and the minimum value of the cylinder or the cylindrical ring obtained in the test is the measured end face jumping degree of the measured piece.

In use detection, when the cylinder or the cylindrical ring moves towards the run-out degree detector 6 and the limit needle 3 in opposite directions, the placement direction of the cylinder or the cylindrical ring needs to be adjusted. The end face run-out degree of the cylinders or the cylindrical rings with different volumes can be detected by correspondingly adjusting the height of the run-out degree detector 6 and the position of the limit pin 3. And simultaneously, the utility model discloses a setting has two roller bearings 9 of positioning mechanism and drive mechanism of two pinch rollers 14, constitutes an anchor clamps jointly, makes can be steadily followed the roller bearing and rotated by survey cylinder or cylinder ring, and the effectual horizontal hunting degree that has reduced when being surveyed the work piece and rotate to the effectual accuracy that has improved cylinder or cylinder ring face run-out degree and detect has improved detection efficiency simultaneously.

As described above, the present invention can be implemented well.

Claims

1. The tool for detecting the end face run-out degree of the hard alloy shaft sleeve is characterized by comprising a workbench, a supporting plate (11) and a supporting rod (2) which are arranged on the workbench, a transmission mechanism and a positioning mechanism which are respectively arranged on the supporting plate (11), a limiting needle (3) which is arranged on the supporting rod (2), and a run-out degree detector (6) which is arranged on the supporting rod (2) and is positioned above the limiting needle (3); the positioning mechanism is positioned above the transmission mechanism.

2. The tool for detecting the runout degree of the end face of the hard alloy shaft sleeve according to claim 1, is characterized in that: the jitter detector (6) is a dial indicator or a dial indicator; the jumping degree detector (6) is installed on the supporting rod (2) through the sliding arm (4), the sliding arm (4) is sleeved on the supporting rod (2), and the positioning bolt (5) is arranged on the sliding arm (4).

3. The carbide shaft sleeve end face runout degree detection tool according to claim 2, characterized in that: the transmission mechanism comprises a driving wheel (17), two driven wheels (15) matched with the driving wheel (17), a roller (19) arranged on the driven wheels (15), a belt (16) respectively connected with the driving wheel (17) and the two driven wheels (15), and a driving device (18) arranged on the driving wheel (17); the driving wheel (17) and the two driven wheels (15) are respectively arranged on the supporting plate (11) through bearings.

4. The carbide axle sleeve facing runout degree detects frock of claim 3, characterized in that: the driving device (18) is a crank handle or a motor.

5. The carbide axle sleeve facing runout degree detects frock of claim 4, characterized in that: the positioning mechanism comprises a sliding device and a pressing device arranged on the sliding device; the sliding device comprises a support arm (10) arranged on a support plate (11) and a sliding block (8) sleeved on the support arm (10); the pressing device is arranged on the sliding block (8); and the sliding block (8) is provided with a mounting hole (21) and a locking screw (9).

6. The tool for detecting the runout degree of the end face of the hard alloy shaft sleeve according to claim 5, is characterized in that: the pressing device comprises a connecting arm (12) which is arranged on the sliding block (8) and penetrates through the mounting hole (21), a pressing plate (13) which is arranged on the connecting arm (12), two pressing wheels (14) which are arranged on the pressing plate (13), and a pressure spring (7) which is sleeved on the connecting arm (12); one end of the pressure spring (7) is contacted with the sliding block (8), and the other end of the pressure spring is propped against the pressure plate (13).

7. The tool for detecting the end face runout of the hard alloy shaft sleeve according to any one of claims 1 to 6, characterized in that: the workbench is also provided with a slide rail (1), and the slide rail (1) is positioned right below the two driven wheels (15); the sliding rail (1) is a square rail; the support rod (2) is arranged on the slide rail (1) through a slide sleeve (20).