CN219444823U - Screw rod precision detection clamp - Google Patents

Abstract

The utility model discloses a screw rod precision detection clamp which comprises a first clamping device, wherein the first clamping device comprises a fixed clamp, a movable clamp, a motor, a rotary rod and a fixed table, the fixed clamp is fixedly connected with the fixed table, and a second spur gear is meshed with a third spur gear. Through above structure, it is tight with the lead screw through first clamping device and second clamping device, the motor drives the second straight-tooth wheel, the second straight-tooth wheel drives the first straight-tooth wheel of third straight-tooth wheel rotation control rotation, thereby make movable rod reciprocate, thereby realize the regulation of first clamping device height, it is convenient when measuring needs, adjust first clamping device height, make the lead screw be located same vertical horizon, the difference in height that produces when preventing to press from both sides tight lead screw one end height influences measuring result, and two press from both sides tight cooperation use, make the measuring part of lead screw more various, make the anchor clamps of pressing from both sides tight more have stability, make measuring result more accurate, guarantee lead screw outgoing quality.

Description

A screw precision testing fixture

technical field

The utility model relates to the technical field of fixtures, in particular to a lead screw precision testing fixture.

Background technique

At present, lead screw has been widely used in many fields, especially in some precision processing equipment, it has been widely promoted and applied. For these precision processing equipment, the precision requirements for the screw are very high. In order to meet the requirements of the equipment for the accuracy of the screw, the produced screw needs to be tested before it can be put into use. When testing the accuracy of the screw, it is necessary to use tools to clamp the equipment to assist the accuracy of the screw.

In the traditional lead screw precision fixture, the clamping device is supported in the air by designing auxiliary devices such as a single support rod, and then one end of the clamping screw is controlled by a threaded rod and a nut. Clamping and dismounting are more troublesome, and testing The position is relatively single. If only the two ends of the lead screw can be clamped according to the detection requirements, this type of fixture can only clamp one end, then the clamped fixture is not stable enough, and it is easy to affect the measurement results. The rod accuracy detection fixture is supported by a single supporting screw, and then the screw and nut are used to fix the screw, and the screw and nut are manually tightened to clamp the screw. When disassembling, it is also necessary to loosen the screw and nut, which is troublesome and expensive. If the time is long, the work efficiency will be relatively reduced.

Utility model content

The purpose of this utility model is to at least solve one of the technical problems existing in the prior art, and provide a lead screw accuracy detection fixture, which clamps the lead screw through the first clamping device and the second clamping device, and the motor drives the second Two spur gears, the second spur gear drives the third spur gear to rotate to control the rotation of the first spur gear, so that the movable rod moves up and down, thereby realizing the adjustment of the height of the first clamping device, which is convenient for adjusting the first clamping device when the measurement needs The height of the device, so that the lead screw is located on the same vertical horizontal line, prevents the height difference generated when clamping the height of one end of the lead screw from affecting the measurement results, and the two clamps are used together to make the measurement parts of the lead screw more diverse, so that the clamped The fixture is more stable, which makes the measurement results more accurate and ensures the quality of the lead screw.

The utility model also provides the above-mentioned screw precision detection fixture, including: a mounting base, the upper surface of the mounting base is fixedly connected with a support column, and the upper surface of the mounting base is fixedly connected with a support rod, and the support rod A movable rod is slidingly connected to the inside of the support rod, the upper end of the support rod is fixedly connected with a rack block, the side surface of the movable rod is rotatably connected with a rotating rod, and the end of the rotating rod far away from the movable rod is fixedly connected with a first spur gear , the side surface of the first straight gear is fixedly connected with the second bevel gear; the first clamping device, the first clamping device includes a fixed clamp, a movable clamp, a motor, a rotating rod, a fixed table, and the fixed clamp It is fixedly connected with the fixed table, the movable clip is fixedly connected with the rotating rod, the output end of the motor is fixedly connected with the rotating rod, the surface of the rotating rod is fixedly connected with the second spur gear, and the surface of the second bevel gear The first bevel gear is meshedly connected, the side surface of the first bevel gear is fixedly connected with the third spur gear, and the second spur gear is meshed with the third spur gear. Through the above structure, the screw is clamped by the first clamping device and the second clamping device, the motor drives the second spur gear, the second spur gear drives the third spur gear to rotate and controls the rotation of the first spur gear, so that the movable The rod moves up and down, so as to realize the adjustment of the height of the first clamping device, which is convenient to adjust the height of the first clamping device when the measurement is needed, so that the screw is on the same vertical horizontal line, so as to prevent the height generated when clamping the height of one end of the screw The difference affects the measurement results, and the two clamps are used together to make the measurement parts of the screw more diverse, to make the clamped fixture more stable, to make the measurement results more accurate, and to ensure the quality of the screw.

According to the jig for detecting the accuracy of a screw according to the utility model, a second clamping device is fixedly connected to the upper surface of the support column, and the structure of the second clamping device is consistent with that of the first clamping device. Through the above structure, the clamped device is more stable.

According to the jig for detecting the accuracy of a lead screw described in the present invention, the first spur gear is meshed with the rack block, and the first spur gear is meshed with the third spur gear. Through the above structure, the movable rod can move normally.

According to the jig for detecting the accuracy of a screw according to the utility model, the surface of the third spur gear is fixedly connected with a fixed rod, and both ends of the fixed rod are rotatably connected with a fixed frame. Through the above structure, it is convenient to support the third spur gear, so as to ensure the normal rotation of the third spur gear.

According to the jig for detecting the accuracy of a screw according to the utility model, the fixed frame is fixedly connected to the surface of the fixed table, and the rotating rod is rotatably connected to the fixed table. Through the above structure, the fixing frame is fixed.

According to the jig for detecting the accuracy of a lead screw described in the utility model, the motor is fixedly connected to the fixed table, and a side notch is provided on one side of the fixed table. The above structure facilitates the movement of the movable folder.

According to the jig for detecting the accuracy of a lead screw described in the utility model, mounting holes are arranged on the surface of the mounting seat, and the mounting holes are distributed at four corners of the mounting seat. Through the above structure, it is convenient to install and fix the whole device.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described;

Fig. 1 is the overall structural diagram of a lead screw accuracy detection fixture of the present invention;

Fig. 2 is a front view structure diagram of a lead screw precision detection fixture of the present invention;

Fig. 3 is a structural diagram of A in Fig. 1 of a lead screw accuracy detection fixture of the present invention;

Fig. 4 is a structural diagram of a first clamping device of a lead screw precision testing jig of the present invention.

illustration:

1. Mounting seat; 2. Support column; 3. Support rod; 4. Moving rod; 5. Rack block; 6. First clamping device; 7. Second clamping device; 8. Rotating rod; 9. Two spur gears; 10, fixed frame; 11, the third spur gear; 12, the first spur gear; 13, fixed rod; 14, mounting hole; 15, the first bevel gear; 16, the second bevel gear;

601, fixed clamp; 602, movable clamp; 603, motor; 604, rotating rod; 605, fixed platform.

Detailed ways

This part will describe the specific embodiment of the utility model in detail, and the preferred embodiment of the utility model is shown in the accompanying drawings, and the function of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can visually and vividly Each technical feature and overall technical solution of the present utility model should be understood, but they should not be construed as limiting the protection scope of the present utility model.

Referring to Figures 1-4, the utility model embodiment is a lead screw precision detection fixture, which includes: a mounting base 1, which facilitates the installation of the entire device, and the upper surface of the mounting base 1 is fixedly connected with a support column 2 to fix the second clamping device 7. The upper surface of the mounting seat 1 is fixedly connected with the support rod 3, and the inside of the support rod 3 is slidably connected with the movable rod 4, which is convenient for changing the height of the first clamping device 6, and the upper end of the support rod 3 is fixedly connected with the rack block 5 , the movement of the movable rod 4 is matched with the rotation of the motor 603, the movable rod 4 can only indirectly control the rotation of the first spur gear 12 through the motor 603, and then move through the meshing connection of the first spur gear 12 and the rack block 5, the movement of the movable rod 4 The side surface is rotatably connected with a rotating rod 8, and the end of the rotating rod 8 away from the movable rod 4 is fixedly connected with a first spur gear 12; the first clamping device 6, the first clamping device 6 includes a fixed clip 601, a movable clip 602, a motor 603, the rotating rod 604, the fixed table 605, the fixed clip 601 is fixedly connected with the fixed table 605, the movable clip 602 is fixedly connected with the rotating rod 604, the output end of the motor 603 is fixedly connected with the rotating rod 604, and the surface of the rotating rod 604 is fixedly connected with The second spur gear 9, the surface of the second bevel gear 16 is engaged with the first bevel gear 15, the side surface of the first bevel gear 15 is fixedly connected with the third spur gear 11, the second spur gear 9 and The third spur gear 11 is engagedly connected. Through the above structure, the screw is clamped by the first clamping device 6 and the second clamping device 7, the motor 603 drives the second spur gear 9, the second spur gear 9 drives the third spur gear 11 to rotate and control the first straight gear Gear 12 rotates, thereby movable bar 4 moves up and down, thereby realizes the adjustment of the height of first clamping device 6, convenient when measuring needs, adjusts the height of first clamping device 6, makes leading screw be positioned at same vertical horizontal line, prevents The height difference produced when clamping the height of one end of the screw affects the measurement results, and the two clamps are used together to make the measurement parts of the screw more diverse, to make the clamped fixture more stable, to make the measurement results more accurate, and to ensure that the screw Bar factory quality.

A second clamping device 7 is fixedly connected to the upper surface of the support column 2 , and the second clamping device 7 has the same structure as the first clamping device 6 . Through the above structure, the clamped device is more stable.

The first spur gear 12 is meshed with the rack block 5 , and the first spur gear 12 is meshed with the third spur gear 11 . Through the above structure, the movable rod 4 can move normally.

The surface of the third spur gear 11 is fixedly connected with a fixed rod 13 , and the two ends of the fixed rod 13 are rotatably connected with a fixed frame 10 . Through the above structure, it is convenient to support the third spur gear 11 to ensure that the third spur gear 11 can rotate normally.

The fixed frame 10 is fixedly connected to the surface of the fixed platform 605 , and the rotating rod 604 is rotatably connected to the fixed platform 605 . With the above structure, the fixing frame 10 is fixed.

The motor 603 is fixedly connected with the fixed platform 605, and one side of the fixed platform 605 is provided with a side notch. Through the above structure, the movable clip 602 is convenient to move.

Mounting holes 14 are provided on the surface of the mounting base 1 , and the mounting holes 14 are distributed at four corners of the mounting base 1 . Through the above structure, it is convenient to install and fix the whole device.

Working principle: fix the mounting base 1 in a suitable position through the installation hole 14, clamp one end of the lead screw in the second clamping device 7 according to the measurement requirements, and then place the other end of the lead screw on the movable clamp 602 In the fixed clamp 601, the motor 603 controls the rotating rod 604 to rotate so as to control the movable clamp 602 to clamp the screw. At the same time, the rotation of the rotating rod 604 drives the second spur gear 9 to rotate, and the second spur gear 9 passes through the third spur gear 11 Control the rotation of the first bevel gear 15, the first bevel gear 15 drives the second bevel gear 16 to rotate so that the first spur gear 12 rotates, so that the first spur gear 12 moves on the rack block 5, and at the same time of clamping, the second The height of the first clamping device 6 is adjusted successfully, and the clamping steps of the second clamping device 7 are consistent with the clamping steps of the first clamping device 6. During disassembly, the movable clamp 602 and the fixed clamp 601 are loosened by the motor 603, and the disassembly can be completed .

The above embodiments of the utility model have been described in detail in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned embodiments. Make various changes.

Claims (7)

1. The utility model provides a lead screw precision detects anchor clamps which characterized in that includes:

the mounting seat (1), the upper surface fixedly connected with support column (2) of mount pad (1), the upper surface fixedly connected with bracing piece (3) of mount pad (1), the inside sliding connection of bracing piece (3) has movable rod (4), the upper end fixedly connected with rack piece (5) of bracing piece (3), the side surface fixedly connected with dwang (8) of movable rod (4), the one end that dwang (8) kept away from movable rod (4) rotates and is connected with first straight gear (12), the side surface fixedly connected with second bevel gear (16) of first straight gear (12);

the first clamping device (6), first clamping device (6) include fixation clamp (601), activity clamp (602), motor (603), rotary rod (604), fixed station (605), fixation clamp (601) and fixed station (605) fixed connection, activity clamp (602) and rotary rod (604) fixed connection, the output and rotary rod (604) fixed connection of motor (603), the fixed surface of rotary rod (604) is connected with second spur gear (9), first bevel gear (15) are connected in the surface engagement of second bevel gear (16), the side surface fixedly connected with third spur gear (11) of first bevel gear (15), second spur gear (9) are connected with third spur gear (11) engagement.

2. The screw rod precision detection clamp according to claim 1, wherein a second clamping device (7) is fixedly connected to the upper surface of the support column (2), and the second clamping device (7) is consistent with the first clamping device (6) in structure.

3. The lead screw precision detection clamp according to claim 1, wherein the first straight gear (12) is in meshed connection with the rack block (5), and the first straight gear (12) is in meshed connection with the third straight gear (11).

4. The screw rod precision detection clamp according to claim 1, wherein a fixing rod (13) is fixedly connected to the surface of the third spur gear (11), and fixing frames (10) are rotatably connected to two ends of the fixing rod (13).

5. The screw accuracy detection clamp according to claim 4, wherein the fixing frame (10) is fixedly connected with the surface of the fixing table (605), and the rotating rod (604) is rotatably connected with the fixing table (605).

6. The screw accuracy detection clamp according to claim 1, wherein the motor (603) is fixedly connected with a fixed table (605), and a side notch is formed in one side of the fixed table (605).

7. The lead screw precision detection clamp according to claim 1, wherein the surface of the mounting seat (1) is provided with mounting holes (14), and the mounting holes (14) are distributed at four corners of the mounting seat (1).