CN217910520U

CN217910520U - Geometric tolerance detects teaching experiment table with detection utensil clamping adjusting device

Info

Publication number: CN217910520U
Application number: CN202221364760.7U
Authority: CN
Inventors: 褚佳琪; 戴家平; 章法荣; 史明明; 章建海; 李星星
Original assignee: Hangzhou Yongrong Industrial Co ltd
Current assignee: Hangzhou Yongrong Industrial Co ltd
Priority date: 2022-06-02
Filing date: 2022-06-02
Publication date: 2022-11-29
Anticipated expiration: 2032-06-02

Abstract

The utility model belongs to the teaching equipment field, concretely relates to geometric tolerance detects teaching experiment table and constructs with detection utensil clamping adjusting device, construct including second linear guide, stay tube, crossbeam, third linear guide and detection utensil clamping, second linear guide lays on the stage body along the fore-and-aft direction is fixed, stay tube slidable mounting is on second linear guide and can the latched position, the crossbeam rotates to be installed on the stay tube and can lock turned angle, its vertical setting in rotation axis, the fixed laying of third linear guide is on the crossbeam, detection utensil clamping constructs and is used for the clamping detection utensil. The utility model discloses set up second linear guide, stay tube, crossbeam, third linear guide, detector clamping mechanism isotructure, constructed clamping detector through detector clamping, can realize that detector moves and rotation function around controlling from top to bottom, and then satisfy the operation requirement.

Description

Geometric tolerance detects teaching experiment table with detection utensil clamping adjusting device

Technical Field

The utility model belongs to the teaching equipment field, concretely relates to geometric tolerance detects teaching experiment table and uses detection utensil clamping adjusting device.

Background

The precision of mechanical products can be divided into dimensional, surface and geometric precision. At present, the measuring tools for detecting the size precision are more, and the teaching is more convenient. The detection of the surface precision is single, and the teaching is simple due to the fact that the surface roughness detector is high-grade. However, the detection of geometric accuracy is caused by a plurality of detection items and a complicated measurement method, so that the teaching of schools only stays on a blackboard, and the practical training cannot be basically organized. Therefore, students in mechanical professions, such as colleges, high-tech, and graduation in high vocational school, lack perceptual knowledge in geometric tolerance detection.

Based on the above problem, the applicant has provided a geometric tolerance detection teaching experiment table, this geometric tolerance detection teaching experiment table includes the stage body, installation detection utensil clamping adjusting device, backup plate positioner, three-jaw chuck, V type frame clamping device and beat appearance on the stage body, wherein detect utensil clamping adjusting device need satisfy can be respectively to backup plate positioner, three-jaw chuck, the requirement that the work piece on four kinds of anchor clamps of V type frame clamping device and beat appearance detects, this point should how to realize that a problem that awaits the solution urgently should be solved.

SUMMERY OF THE UTILITY MODEL

In order to compensate for the defects of the prior art, the utility model provides a geometric tolerance detects teaching experiment table with detection utensil clamping adjusting device's technical scheme.

The utility model provides a geometric tolerance detects teaching experiment table and uses detection utensil clamping adjusting device, detection utensil clamping adjusting device is used for the clamping detection utensil, can adjust the position of detection utensil, makes the detection utensil can detect the work piece on the different positioner, and it includes second linear guide, stay tube, crossbeam, third linear guide and detection utensil clamping mechanism, second linear guide lays on the stage body along the fore-and-aft direction is fixed, stay tube slidable mounting can the latched position on second linear guide, the crossbeam rotates and installs on the stay tube and can lock turned angle, the vertical setting in its rotation axis, the fixed laying of third linear guide is on the crossbeam, detection utensil clamping mechanism is used for the clamping detection utensil.

Further, detector clamping mechanism includes mount pad, pull rod and clamping subassembly, the mount pad horizontal sliding installation is on third linear guide, the pull rod vertical sliding fit can the latched position on the mount pad, the clamping subassembly sets up in the pull rod lower extreme, and it is used for the clamping detector.

Furthermore, a support frame is arranged on the mounting seat, a fixed pulley is arranged on the support frame, a rope is wound on the fixed pulley, one end of the rope is connected with the pull rod, and the other end of the rope is connected with the balance block.

Furthermore, the pull rod is vertically provided with a rack, a gear meshed with the rack is arranged in the mounting seat, and the gear is connected with a rocking wheel.

Further, the clamping assembly comprises a double-ball universal joint and a detection device mounting support, the double-ball universal joint comprises a middle joint, a first connecting rod and a second connecting rod, the first connecting rod is universally hinged to one end of the middle joint, the second connecting rod is universally hinged to the other end of the middle joint, the first connecting rod is detachably connected with the lower end of the pull rod, and the second connecting rod is connected with the detection device mounting support.

Further, the clamping assembly is a profiling measuring head clamping assembly, and comprises a measuring rod and a detecting device mounting bracket, wherein the measuring rod is vertically arranged, the detecting device is mounted on the detecting device mounting bracket, and a measuring head of the detecting device is arranged downwards.

Further, profile modeling measuring head clamping subassembly still includes installing support, installation pole, erection joint and sliding joint, the vertical setting of installation pole, its upper end can be dismantled with the pull rod and be connected, and its lower extreme passes through erection joint and connects the measurement stick, and sliding joint cup joints sliding joint on the installation pole, sliding joint can adjust its high position on the installation pole, the installing support level sets up and with sliding joint slip insert the joining in marriage, and the installing support can adjust its horizontal position on sliding joint, the detector installing support sets up in installing support one end.

Furthermore, a supporting piece is arranged at one end, back to the supporting tube, of the cross beam, and a second roller which is in contact with the table body is arranged at the lower end of the supporting piece.

Further, the detection apparatus is a dial indicator.

Furthermore, the bottom of the supporting tube is connected with a second linear guide rail through a second linear sliding block, and the second linear sliding block is a sliding block with a lock; the mounting seat is connected with a third linear guide rail through a third linear sliding block, and the third linear sliding block is a sliding block with a lock.

Compared with the prior art, the beneficial effects of the utility model are that:

1) The utility model is provided with the structures of the second linear guide rail, the support tube, the beam, the third linear guide rail, the detector clamping mechanism and the like, and can realize the functions of three-axis movement and rotation of the detector up, down, left, right, front and back through the detector clamping mechanism, thereby meeting the requirement that the detector respectively detects the workpieces on four clamps of a backup plate positioning device, a three-jaw chuck, a V-shaped frame clamping device and a deflection instrument;

2) The utility model can avoid the weight of the pull rod directly falling down after loosening the bolt with the handle by balancing the weight of the pull rod, the clamping mechanism of the detecting device and the detecting device, and can also reduce the rotation difficulty of the rocking wheel, so that the lifting operation is simpler;

3) The utility model discloses set up support piece, the second gyro wheel through support piece bottom offsets with the stage body, can guarantee the levelness of crossbeam, avoids the crossbeam incline, makes the testing result more accurate.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic view of the construction of the universal joint according to embodiment 1;

FIG. 3 is a schematic top view of a geometric tolerance measurement teaching platform according to embodiment 1;

fig. 4 is a schematic view of a connecting structure of the profiling measuring head clamping assembly and the detecting instrument in embodiment 2.

Detailed Description

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The present invention will be further explained with reference to the accompanying drawings.

Example 1

Referring to fig. 1-3, a clamping and adjusting device for a detecting tool for a geometric tolerance detection teaching experiment table is used for clamping the detecting tool 200, can adjust the position of the detecting tool 200, and enables the detecting tool 200 to detect workpieces on different positioning devices, and comprises a second linear guide rail 201, a support pipe 202, a cross beam 203, a third linear guide rail 204 and a detecting tool clamping mechanism, wherein the second linear guide rail 201 is fixedly laid on the table body 1 along the front-back direction, the support pipe 202 is slidably mounted on the second linear guide rail 201 and can be locked, the cross beam 203 is rotatably mounted on the support pipe 202 and can be locked at a rotation angle, the rotation axis of the cross beam is vertically arranged, the third linear guide rail 204 is fixedly laid on the cross beam 203, and the detecting tool clamping mechanism is used for clamping the detecting tool 200.

The end of the beam 203 is provided with a fixed bearing seat, a bearing is arranged in the bearing seat, the upper end of the support tube 202 is provided with a stepped shaft, the stepped shaft is inserted into the bearing seat to realize the rotating fit through the bearing, the side surface of the bearing seat is in threaded connection with a handle bolt, and the handle bolt is used for tightly jacking the stepped shaft so as to realize the locking of the rotating angle of the beam 203.

In addition, the locking of the rotation angle of the cross beam 203 can also be realized by other known methods.

It can be understood that in the technical solution of the present embodiment, structures such as the second linear guide 201, the support tube 202, the cross beam 203, the third linear guide 204, and the detector clamping mechanism are provided, and the detector 200 is clamped by the detector clamping mechanism, so that functions of moving and rotating the detector 200 in three axes, up, down, left, right, front, back, and forth, can be realized, and further, requirements of the detector 200 on detecting workpieces on four kinds of clamps, namely, a backup plate positioning device, a three-jaw chuck, a V-shaped frame clamping device, and a yaw instrument, can be met.

Continuing to refer to fig. 1, the detecting device clamping mechanism includes a mounting base 205, a pull rod 206 and a clamping assembly, the mounting base 205 is connected with a third linear guide rail 204 through a third linear slider 216, the third linear slider 216 is a slider with a lock, the mounting base 205 has a through hole vertically penetrating, the pull rod 206 is vertically matched with the through hole of the mounting base 205 in a sliding manner, a rack 207 is vertically arranged on one side of the pull rod 206, a gear 208 is rotatably connected in the mounting base 205, the gear 208 is connected with a rocking wheel, the rocking wheel is located on the outer side of the mounting base for manual operation, the gear 208 is meshed with the rack 207, a bolt with a handle is further screwed on the side surface of the mounting base 205, the pull rod 206 is tightly pressed by the bolt with the handle to lock the position of the pull rod 206, and the clamping assembly is arranged at the lower end of the pull rod 206 and is used for clamping the detecting device 200.

The position of the pull rod 206 can be locked by other conventional structures, for example, a manual nut-screw pair drives the pull rod 206 to lift, and the nut-screw has a self-locking function.

Continuing to refer to fig. 1, a supporting frame 217 is vertically disposed on the mounting base 205, a fixed pulley 218 is disposed on an upper section of the supporting frame 217, a rope 219 is wound on the fixed pulley 218, one end of the rope 219 is connected with the pull rod 206, and the other end is connected with a balance weight 220.

It can be understood that the weight of the pull rod 206, the detection device clamping mechanism and the detection device 200 can be balanced through the balance block 220, the pull rod 206 directly falls down due to the weight after the bolt with the handle is loosened, the rotation difficulty of the rocking wheel can be reduced, and the lifting operation is simpler.

With reference to fig. 1, a support 221 is vertically disposed on the end of the beam 203 opposite to the support tube 202, and a second roller 222 is disposed on the lower end of the support 221 for contacting with the table body 1, wherein the second roller 222 is preferably a bearing.

Specifically, the supporting member 221 is a tubular structure, a threaded sleeve 223 is threaded on a top port of the supporting member, an adjusting screw 224 is threaded on the threaded sleeve, the adjusting screw 224 passes through the cross beam 203, an adjusting handle 225 is fixed on an upper end of the adjusting screw 224, and the height of the supporting member 221 can be adjusted by rotating the adjusting handle 225.

Furthermore, the supporting member 221 may be adjusted in height by other means, such as a structure designed as a threaded telescopic tube.

It can be understood that the second roller 222 abuts against the table body 1, so that the levelness of the beam 203 can be ensured, the deflection of the beam 203 is avoided, and the detection result is more accurate.

With continued reference to fig. 2, the clamping assembly includes a double-ball universal joint 209 and a detection apparatus mounting bracket 210 for mounting the detection apparatus 200, the double-ball universal joint 209 includes an intermediate joint 2090, a first connecting rod 2091 universally hinged to one end of the intermediate joint 2090, and a second connecting rod 2092 universally hinged to the other end of the intermediate joint 2090, the first connecting rod 2091 is detachably connected to the lower end of the pull rod 206, and the second connecting rod 2092 is connected to the detection apparatus mounting bracket 210, wherein the first connecting rod 2091 and the second connecting rod 2092 are respectively and universally hinged to the intermediate joint 2090 through a ball head structure.

It can be understood that the universal joint 209 of the present embodiment adopts a double-ball structure, which can realize multi-angle adjustment of the detection apparatus 200.

In the present embodiment, the test device 200 is preferably a dial indicator, and the test device mounting bracket 210 is preferably a dial indicator mounting bracket, and the structure of the dial indicator and the dial indicator mounting bracket are well known.

Example 2

Referring to fig. 4, the difference between the present embodiment and embodiment 1 is: the clamping assembly is a profiling measuring head clamping assembly, which comprises a measuring rod 211, a detecting device mounting bracket 210, a mounting bracket 212, a mounting rod 213, a mounting joint 214 and a connecting joint 226, wherein the measuring rod 211 is vertically arranged, the detecting device 200 is mounted on the detecting device mounting bracket 210, a measuring head of the detecting device 200 is arranged downwards, the mounting rod 213 is vertically arranged, the upper end of the mounting rod is detachably connected with a pull rod 206, the lower end of the mounting rod is connected with the measuring rod 211 through the mounting joint 214, the mounting rod 213 is slidably sleeved with a sliding joint 226, the sliding joint 226 can adjust the height position of the sliding joint 226 on the mounting rod 213, the mounting bracket 212 is horizontally arranged and is slidably inserted and matched with the sliding joint 226, the horizontal position of the mounting bracket 212 on the sliding joint 226 can be adjusted, and the detecting device mounting bracket 210 is arranged at one end of the mounting bracket 212.

Two handle bolts are screwed on the connecting joint 226 and tightly prop against the mounting rod 213 and the mounting bracket 210 respectively, so that the vertical and horizontal positions of the measuring rod 211 are locked.

It should be noted that the bottom end of the pull rod 206 has a screw hole, the upper end of the mounting rod 213 in this embodiment has a screw head corresponding thereto, and the first link 2091 in embodiment 1 also has a screw head corresponding thereto, so that the pull rod 206 can be selectively mounted on the clamping component in embodiment 1 or the clamping component in this embodiment as required.

The copying measuring head clamping assembly of the embodiment can be used for measuring line profile and surface profile in cooperation with the detecting device 200, and when measuring, the handle bolt on the mounting seat 205 needs to be unscrewed, and the pull rod 206 is released, so that the copying measuring head clamping assembly can only lift along with the surface profile of a workpiece.

The principle of surface profiling measurement is well known and will not be described in detail.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a geometric tolerance detects teaching experiment table with detection utensil clamping adjusting device, a serial communication port, detection utensil clamping adjusting device is used for clamping detection utensil (200), can adjust the position of detection utensil (200), makes detection utensil (200) can detect the work piece on the different positioner, and it includes second linear guide (201), stay tube (202), crossbeam (203), third linear guide (204) and detection utensil clamping machine construct, second linear guide (201) are fixed to be laid on stage body (1) along the fore-and-aft direction, stay tube (202) slidable mounting is on second linear guide (201) and can the latched position, crossbeam (203) rotate to install on stay tube (202) and can lock turned angle, its vertical setting in rotation axis, third linear guide (204) are fixed to be laid on crossbeam (203), detection utensil clamping machine constructs and is used for clamping detection utensil (200).

2. The detector clamping and adjusting device for the geometric tolerance detection teaching experiment table as claimed in claim 1, wherein the detector clamping mechanism comprises a mounting seat (205), a pull rod (206) and a clamping assembly, the mounting seat (205) is horizontally slidably mounted on the third linear guide rail (204), the pull rod (206) is vertically slidably fitted on the mounting seat (205) and can be locked, and the clamping assembly is arranged at the lower end of the pull rod (206) and is used for clamping the detector (200).

3. The clamping and adjusting device for the detecting tool for the geometric tolerance detection teaching experiment table as claimed in claim 2, wherein a supporting frame (217) is arranged on the mounting seat (205), a fixed pulley (218) is arranged on the supporting frame (217), a rope (219) is wound on the fixed pulley (218), one end of the rope (219) is connected with the pull rod (206), and the other end of the rope is connected with the balance block (220).

4. The clamping and adjusting device for the detecting tool for the geometric tolerance detection teaching experiment table as claimed in claim 2, wherein the pull rod (206) is vertically provided with a rack (207), the mounting seat (205) is internally provided with a gear (208) engaged with the rack (207), and the gear (208) is connected with a rocking wheel.

5. The clamping and adjusting device for the detecting device for the geometric tolerance detection teaching experiment table as claimed in claim 2, wherein the clamping assembly comprises a double-ball universal joint (209) and a detecting device mounting bracket (210), the double-ball universal joint (209) comprises an intermediate joint (2090), a first connecting rod (2091) and a second connecting rod (2092), the first connecting rod (2091) is universally hinged to one end of the intermediate joint (2090), the second connecting rod (2092) is universally hinged to the other end of the intermediate joint (2090), the first connecting rod (2091) is detachably connected with the lower end of the pull rod (206), and the second connecting rod (2092) is connected with the detecting device mounting bracket (210).

6. The clamping and adjusting device for the detector for the geometric tolerance detection teaching experiment table as claimed in claim 2, wherein the clamping assembly is a copying measuring head clamping assembly which comprises a measuring rod (211) and a detector mounting bracket (210), the measuring rod (211) is vertically arranged, the detector (200) is mounted on the detector mounting bracket (210), and a measuring head of the detector (200) is arranged downwards.

7. The clamping and adjusting device for the detecting tool for the geometric tolerance detection teaching experiment table as claimed in claim 6, wherein the profiling measuring head clamping assembly further comprises a mounting bracket (212), a mounting rod (213), a mounting joint (214) and a sliding joint (226), the mounting rod (213) is vertically arranged, the upper end of the mounting rod is detachably connected with the pull rod (206), the lower end of the mounting rod is connected with the measuring rod (211) through the mounting joint (214), the sliding joint (226) is slidably sleeved on the mounting rod (213), the sliding joint (226) can adjust the height position of the mounting rod (213), the mounting bracket (212) is horizontally arranged and is slidably inserted and matched with the sliding joint (226), the horizontal position of the mounting bracket (212) on the sliding joint (226) can be adjusted, and the detecting tool mounting bracket (210) is arranged at one end of the mounting bracket (212).

8. The clamping and adjusting device for the detecting tool for the geometric tolerance detection teaching experiment table as claimed in any one of claims 1 to 7, wherein a supporting member (221) is arranged at one end of the cross beam (203) facing away from the supporting tube (202), and a second roller (222) for contacting with the table body (1) is arranged at the lower end of the supporting member (221).

9. The clamping and adjusting device for the detecting tool for the geometric tolerance detection teaching experiment table as claimed in any one of claims 1 to 7, wherein the detecting tool (200) is a dial indicator.

10. The detector clamping and adjusting device for the geometric tolerance detection teaching experiment table as claimed in any one of claims 2 to 6, wherein the bottom of the supporting tube (202) is connected with a second linear guide rail (201) through a second linear slide block (215), and the second linear slide block (215) is a slide block with a lock; the mounting seat (205) is connected with a third linear guide rail (204) through a third linear sliding block (216), and the third linear sliding block (216) is a sliding block with a lock.