CN211855128U

CN211855128U - Cone measuring device of rack

Info

Publication number: CN211855128U
Application number: CN202020844003.4U
Authority: CN
Inventors: 张绍明
Original assignee: Taizhou Lead Rack Co ltd
Current assignee: Taizhou Lead Rack Co ltd
Priority date: 2020-05-19
Filing date: 2020-05-19
Publication date: 2020-11-03
Anticipated expiration: 2030-05-19

Abstract

The utility model provides a pyramis measuring device of rack belongs to rack processing technology field. It has solved the technical problem that current rack detection device need detect the rack pyramis. This pyramis measuring device of rack, including the workstation, the upper surface of workstation is equipped with the locating piece, be equipped with the meter in the locating piece, set firmly the back hill strip that sets up along left right direction level on the workstation, still be equipped with on the workstation and carry out the pressure head of centre gripping to the rack with workstation surface or back hill strip cooperation, the locating piece along left right direction with the back hill strip is just right, the contact of meter stretches out the locating piece and can supports with the rack pyramis and lean on the reading. The utility model discloses can realize the detection to rack pyramis machining precision.

Description

Cone measuring device of rack

Technical Field

The utility model belongs to the technical field of the rack processing, a pyramis measuring device of rack is related to.

Background

The rack is a basic part of mechanical transmission and is widely applied to equipment such as machine tools and the like. With the development of the manufacturing industry, the transmission precision requirement of the equipment is higher and higher, namely, the precision requirement of the rack is higher and higher. In the production process of the rack, each produced rack needs to be detected due to certain reject ratio so as to control the quality of the rack.

In order to improve the detection precision, the applicant previously designed a rack detection device with an authorization notice number of CN208671892U, which includes a linear slide rail, wherein a first toothed block for meshing with a rack is fixedly arranged at one end of the linear slide rail, a second toothed block for meshing with the rack is slidably connected to the other end of the linear slide rail, and a measurement instrument is further arranged on the linear slide rail and can detect the moving distance of the second toothed block.

The detection device can well detect the machined rack, and the taper part needs to be machined when the helical rack is machined at present, so that a device for detecting the taper part of the rack needs to be developed.

Disclosure of Invention

The utility model discloses to the above-mentioned problem that prior art exists, provide a pyramis measuring device of rack, the utility model aims to solve the technical problem that: how to realize the detection of the machining precision of the rack pyramid part.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a pyramis measuring device of rack, includes the workstation, the upper surface of workstation is equipped with the locating piece, be equipped with the meter in the locating piece, its characterized in that, set firmly the back hill strip that sets up along left right direction level on the workstation, still be equipped with on the workstation and carry out the pressure head of centre gripping to the rack with workstation surface or back hill strip cooperation, the locating piece along left right direction with the back hill strip is just right, the contact of meter stretches out the locating piece and can support with the rack pyramis and lean on the reading.

The workstation is used for supporting places the rack, and the workstation upper surface sets up the locating piece, and the displacement volume of meter contact can be shown to the meter in the locating piece. The pressing head is arranged on the workbench, so that the placed rack can be stably clamped, the position of the rack is ensured to be stable in the detection process, the mountain leaning strip can be matched with the upper surface of the workbench to form a right-angle groove to position the placed rack, the orientation of the rack is accurate and stable, and a certain supporting and limiting effect can be provided in the pressing process of the pressing head; the positioning block is arranged to be opposite to the mountain leaning bar along the left and right directions, so that the contact of the measuring meter can be abutted against the conical part on the rack when the rack is stably clamped, and reading measurement is carried out; when the device is used, the rack with standard size and specification can be placed on the workbench to abut against the mountain leaning strip for positioning, the pressure head is enabled to clamp the designated position (such as the position with fixed teeth number) of the rack and the contact of the measuring meter and the cone part of the rack abut against recorded reading or zero clearing, then the rack which is finished in the previous cutting procedure is placed on the workbench, the pressure head is enabled to clamp the designated position of the rack, then the reading is carried out on the measuring meter to compare with the data of the standard rack, and if the reading is within the tolerance range, the rack is qualified.

In the taper measuring device of the rack, a side surface of the positioning block close to the cam strip is a positioning surface, the positioning surface is perpendicular to the upper surface of the workbench and extends obliquely relative to the length direction of the cam strip, and a contact of the measuring gauge extends out of the positioning surface vertically. The locating surface on the locating block extends obliquely relative to the length direction of the mountain leaning strip and enables the contact of the measuring meter to vertically extend out of the locating surface, so that the conical part of the rack can be matched with the oblique direction of the locating surface when the rack to be detected is placed, the contact of the measuring meter can be approximately vertical or perpendicular to the side surface of the conical part of the rack, contact is enabled to be more stable, measuring error influence caused by movement is greatly reduced, and detection precision is improved.

In the taper measuring device of the rack, the workbench is provided with the vertically arranged support, the support is provided with the connecting plate capable of sliding up and down, the pressure head is connected with the connecting plate, and the top of the connecting plate is connected with the control arm capable of driving the connecting plate to move up and down. The support is arranged on the workbench, the connecting plate capable of sliding up and down is arranged on the support, the pressure head is connected with the connecting plate, and the upper end of the connecting plate is connected with the control arm, so that an operator can conveniently control the rising and falling of the pressure head by using the control arm.

In the taper portion measuring device of the rack, the bracket is provided with a guide slide rail, and the connecting plate is connected with the guide slide rail in a sliding manner. Through set up the direction slide rail on the support, make connecting plate and direction slide rail sliding connection, can guarantee like this that the connecting plate is accurate stable all the time at the motion in-process direction to ensure the pressure head and at the position stability of centre gripping rack in-process rack, improve and detect the precision.

In the taper portion measuring device of the rack, two positioning blocks and two measuring gauges are arranged and are respectively positioned at the left end and the right end of the backer bar, and the positioning surfaces on the two positioning blocks are parallel to each other. Through respectively setting up the locating piece in both ends about the back strip, make the locating surface on the locating piece parallel to each other, the accessible once places the detection that realizes rack both ends pyramis simultaneously like this, reduces because the error that detects after same rack removes, improves detection efficiency and precision.

In the above-described taper portion measuring device for a rack, the bottom surface of the indenter has positioning teeth that can engage with the rack. Through setting up the location tooth in the bottom surface of pressure head, the axial position of rack is more stable when location tooth and rack toothing when detecting, and the location tooth lies in the rack toothing in-process in addition and can proofreaies and correct the position of rack automatically, ensures that the pressure head detects at every turn and can both accurate centre gripping in the assigned position of rack, improves and detects the precision.

In the taper measuring device of the rack, the pressure head and the connecting plate are detachably connected through a bolt. Through setting up the pressure head and pass through the bolt can dismantle with the connecting plate and be connected, can dismantle the change pressure head when the rack to different tooth pitch specifications is examined like this, improve and detect the suitability.

Compared with the prior art, the utility model has the advantages as follows:

the taper measuring device of the rack is provided with the mountain leaning strip which can be matched with the upper surface of the workbench to form a right-angle groove to position the rack so that the rack faces accurately and stably, and a certain supporting and limiting effect can be provided in the pressing process of the pressing head; set up the locating piece and just right with the backer strip along left right direction, thereby guarantee that the contact of gauge can support with the pyramis on the rack when the stable centre gripping of rack and lean on to carry out the reading and measure like this, realize the detection to the pyramis better.

Drawings

Fig. 1 is a schematic perspective view of the taper measuring device of the rack.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is an enlarged view of a portion B in fig. 1.

Fig. 4 is a schematic perspective view of the taper measuring device of the rack in an operating state.

In the figure, 1, a workbench;

2. positioning blocks; 21. positioning the surface;

3. a measuring meter; 4. a backer strip;

5. a pressure head; 51. positioning teeth;

6. a support; 61. a guide slide rail;

7. a connecting plate; 8. an arm is manipulated.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1-4, the pyramid measuring device of the rack comprises a workbench 1, a positioning block 2 is arranged on the upper surface of the workbench 1, a measuring meter 3 is arranged in the positioning block 2, a mountain leaning bar 4 horizontally arranged along the left-right direction is fixedly arranged on the workbench 1, a pressure head 5 capable of clamping the rack in cooperation with the surface of the workbench 1 or the mountain leaning bar 4 is further arranged on the workbench 1, the positioning block 2 is just opposite to the mountain leaning bar 4 along the left-right direction, and a contact of the measuring meter 3 extends out of the positioning block 2 and can lean against the pyramid of the rack to read. The workbench 1 is used for supporting and placing a rack, the positioning block 2 is arranged on the upper surface of the workbench 1, and the measuring meter 3 in the positioning block 2 can display the displacement of the contact of the measuring meter 3. The pressing head 5 is arranged on the workbench 1, so that the placed rack can be stably clamped, the position of the rack is ensured to be stable in the detection process, the mountain rest strip 4 can be matched with the upper surface of the workbench 1 to form a right-angle groove for positioning the placed rack, the orientation of the rack is accurate and stable, and a certain supporting and limiting effect can be provided in the pressing process of the pressing head 5; the positioning block 2 is arranged to be right opposite to the mountain leaning bar 4 along the left-right direction, so that the contact of the measuring instrument 3 can be abutted against the conical part on the rack when the rack is stably clamped, and reading measurement is carried out; can place the rack of standard dimensions specification earlier on workstation 1 during the use and lean on the location with backer 4, make the fixed number of teeth department of pressure head 5 centre gripping rack and make the contact of measurement gauge 3 and rack pyramis support and lean on to zero clearing measurement gauge 3, later place the rack that the last cutting process was accomplished on workstation 1, make the assigned position of this rack of pressure head 5 centre gripping, then carry out the reading to measurement gauge 3 and compare with the data of standard rack, if in the tolerance range then be qualified. The bottom surface of the ram 5 has positioning teeth 51 that can engage with the rack. Through setting up location tooth 51 in the bottom surface of pressure head 5, the axial position of rack is more stable when location tooth 51 and rack toothing when detecting, and location tooth 51 can be rectified the position of rack automatically in the rack toothing process in addition, ensures that pressure head 5 detects at every turn and can both accurately centre gripping in the assigned position of rack, improves and detects the precision. The pressure head 5 is detachably connected with the connecting plate 7 through bolts. Through setting up pressure head 5 and connecting plate 7 and passing through the bolt detachable connection, can dismantle change pressure head 5 like this when the rack to different tooth pitch specifications detects, improve and detect the suitability. The workbench 1 is provided with a vertically arranged support 6, the support 6 is provided with a connecting plate 7 capable of sliding up and down, the pressure head 5 is connected with the connecting plate 7, and the top of the connecting plate 7 is connected with an operating arm 8 capable of driving the connecting plate 7 to move up and down. The support 6 is arranged on the workbench 1, the connecting plate 7 capable of sliding up and down is arranged on the support 6, the pressure head 5 is connected with the connecting plate 7, the upper end of the connecting plate 7 is connected with the operating arm 8, the operating arm 8 can be of an existing connecting rod structure, the connecting plate 7 can be driven to slide up and down through leverage, and therefore an operator can conveniently control the rising and falling of the pressure head 5 through the operating arm 8. Further, the bracket 6 is provided with a guide slide rail 61, and the connecting plate 7 is slidably connected with the guide slide rail 61. Through set up direction slide rail 61 on support 6, make connecting plate 7 and direction slide rail 61 sliding connection, can guarantee like this that connecting plate 7 is accurate stable all the time at the motion in-process direction to ensure that pressure head 5 is stable in the position of centre gripping rack in-process rack, improve and detect the precision.

As shown in fig. 1, 3, and 4, the positioning block 2 has a positioning surface 21 on a side surface thereof close to the cam bar 4, the positioning surface 21 extends perpendicularly to the upper surface of the table 1 and obliquely with respect to the longitudinal direction of the cam bar 4, and the contact of the measurement gauge 3 protrudes perpendicularly from the positioning surface 21. Through setting up the length direction slope extension of locating surface 21 relative backer 4 on the locating piece 2 and making the contact of measurement meter 3 stretch out locating surface 21 perpendicularly, can make the pyramis of rack and the incline direction looks adaptation of locating surface 21 when placing the rack that waits to detect like this, provide the prompt action, the contact of measurement meter 3 can be similar perpendicular or perpendicular with the pyramis side of rack like this, make the contact more stable and greatly reduced the measurement error influence that the drunkenness leads to, improve and detect the precision. Preferably, there are two positioning blocks 2 and two measuring gauges 3 respectively located at the left and right ends of the cam bar 4, and the positioning surfaces 21 on the two positioning blocks 2 are parallel to each other. Through respectively setting up locating piece 2 at the left and right sides both ends of back a strip 4, make locating surface 21 on the locating piece 2 parallel to each other, the accessible is once placed the detection that realizes rack both ends pyramis simultaneously like this, reduces because the error that detects after same rack removes, improves detection efficiency and precision.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a pyramis measuring device of rack, includes workstation (1), the upper surface of workstation (1) is equipped with locating piece (2), be equipped with meter (3) in locating piece (2), its characterized in that, set firmly on workstation (1) and carry out pressure head (5) of centre gripping to the rack along the back strip (4) of left right direction level setting, still be equipped with on workstation (1) and carry out the pressure head of centre gripping with workstation (1) surface or back strip (4) cooperation, locating piece (2) along left right direction with back strip (4) just right, the contact of meter (3) stretches out locating piece (2) and can support with the rack pyramis and lean on the reading.

2. The taper measuring device of the rack according to claim 1, wherein the side of the positioning block (2) close to the cam bar (4) is a positioning surface (21), the positioning surface (21) is perpendicular to the upper surface of the working table (1) and extends obliquely relative to the length direction of the cam bar (4), and the contact of the measuring meter (3) extends out of the positioning surface (21) vertically.

3. The taper measuring device of the rack according to claim 1 or 2, characterized in that the workbench (1) is provided with a vertically arranged bracket (6), the bracket (6) is provided with a connecting plate (7) capable of sliding up and down, the pressure head (5) is connected with the connecting plate (7), and the top of the connecting plate (7) is connected with an operating arm (8) capable of driving the connecting plate (7) to move up and down.

4. The taper measuring device of the rack according to claim 3, wherein the bracket (6) is provided with a guide rail (61), and the connecting plate (7) is slidably connected with the guide rail (61).

5. The taper measuring device of the rack according to claim 3, wherein there are two positioning blocks (2) and two measuring gauges (3) respectively located at the left and right ends of the cam bar (4), and the positioning surfaces (21) on the two positioning blocks (2) are parallel to each other.

6. Taper measuring device of a rack according to claim 1 or 2, characterized in that the bottom surface of the ram (5) has positioning teeth (51) which can engage with the rack.

7. The taper measuring device of the rack according to claim 3, characterized in that the pressure head (5) and the connecting plate (7) are detachably connected by bolts.