CN217331920U

CN217331920U - Tensile force testing device for precision screw production process

Info

Publication number: CN217331920U
Application number: CN202122288385.4U
Authority: CN
Inventors: 胡志丰
Original assignee: Suzhou Taili Precision Fastener Co ltd
Current assignee: Suzhou Taili Precision Fastener Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-08-30
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses an accurate screw production technology tensile test device, including workstation and support column, the both ends of workstation top both sides are a set of support column of fixedly connected with respectively, the top fixedly connected with top case of support column. This accurate screw production technology tensile test device is through being provided with the cavity, when examining, it is inside to change over to the thread groove that corresponds with the multiunit screw according to the size, the first servo motor who starts the top drives the screw shaft of top incasement portion and rotates, screw shaft pivoted drives outside first thread bush to the side motion simultaneously, first thread bush drives the electric telescopic handle of bottom again to the side motion, electric telescopic handle drives and stops after the fixture of bottom removes the top to the screw of required test, the gag lever post of support column one side fixed can be spacing to electric telescopic handle through the grooving, stability when guaranteeing the motion, the solution is that can't test the problem to not unidimensional screw when detecting.

Description

Tensile force testing device for precision screw production process

Technical Field

The utility model relates to a screw production technical field specifically is an accurate screw production technology tensile test device.

Background

The screw is the most common fastener, most equipment in life, all have the application in the device, and in order to guarantee stability and the fastness of screw in use, need carry out the detection of multichannel process in its production, the tensile test is for detecting the tensile ability of screw, and the tensile test device that current screw production technology used still has some defects at the during operation, can't test the screw of not unidimensional when detecting, also can't be automatic carry out the centre gripping to the screw and fix, and can't direct observation tensile numerical value, so need a neotype precision screw production technology tensile test device to solve above not enough now.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate screw production technology tensile test device to propose in solving above-mentioned background art and can't carry out the problem tested to not unidimensional screw when detecting.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an accurate screw production technology tensile test device, includes workstation and support column, the both ends of workstation top both sides are a set of support column of fixedly connected with respectively, the top fixedly connected with top case of support column, the bottom of top case is provided with the fixed case, the top of workstation is seted up flutedly.

Preferably, one side of the inside of the top box is provided with a cavity, a first servo motor of the inside fixedly connected with of cavity, a first servo motor runs through the inside fixedly connected with threaded shaft to the top box, the outside swing joint of threaded shaft has a first threaded sleeve, a first spout has been seted up to the bottom of top box, a first threaded sleeve's bottom fixedly connected with electric telescopic handle, electric telescopic handle runs through first spout and extends to the outside of top box, one side fixedly connected with gag lever post of support column, electric telescopic handle's one end fixedly connected with race, the inside swing joint of recess has the fixing base, the multiunit has been seted up on the top of fixing base, threaded groove race and gag lever post constitute sliding connection, electric telescopic handle's width is less than the inside width of first spout.

Preferably, one side fixedly connected with second servo motor of fixed case, second servo motor's output runs through one side of fixed case and extends to the two-way lead screw of the inside fixedly connected with of fixed case, the outside both sides of two-way lead screw swing joint respectively have a set of second threaded sleeve, the second spout has been seted up to the bottom of fixed case, the bottom fixedly connected with connecting rod of second threaded sleeve, the connecting rod runs through the second spout and extends to the outside fixedly connected with splint of fixed case.

Preferably, the central line of the fixed box and the central line of the electric telescopic rod are on the same vertical plane, and the fixed box and the bidirectional screw rod form a movable connection.

Preferably, a set of activity groove has been seted up respectively to the both sides of recess, the bottom of fixing base both sides is a set of stopper of fixedly connected with respectively, the activity groove constitutes swing joint with the stopper, the mounting groove has been seted up to the bottom of recess, the inside fixedly connected with tensiometer of mounting groove, the inside one end fixedly connected with window of tensiometer.

Preferably, the fixed seat and the tension meter form a fixed connection, and the center line of the fixed seat and the center line of the tension meter are on the same vertical plane.

Compared with the prior art, the beneficial effects of the utility model are that: the tension testing device for the precision screw production process not only realizes the testing of screws with different sizes, realizes the automatic clamping of the screws, but also realizes the convenient observation of tension values;

(1) by arranging the cavity, the first servo motor, the threaded shaft, the electric telescopic rod, the first threaded sleeve, the sleeve groove, the first sliding groove, the limiting rod, the fixed seat and the threaded groove, when detection is carried out, a plurality of groups of screws are turned into the corresponding threaded grooves according to sizes, the first servo motor at the top end is started to drive the threaded shaft inside the top box to rotate, the first threaded sleeve outside is driven to move to one side while the threaded shaft rotates, the electric telescopic rod at the bottom end is driven to move to one side by the first threaded sleeve, the electric telescopic rod drives the clamping mechanism at the bottom end to move to the top end of the screw to be tested and then stops, the limiting rod fixed at one side of the supporting column can limit the electric telescopic rod through the sleeve groove, the stability during movement is ensured, and the screws with different sizes can be tested according to requirements;

(2) after the fixed box is driven to the top end of a corresponding screw, the second servo motor is started to drive the two-way screw rod on one side to rotate, the two-way screw rod drives the second screw sleeves on the two outer sides to move towards two sides while rotating, the second screw sleeves drive the two groups of clamping plates to open through the connecting rods, the electric telescopic rod on the top end is started to drive the fixed box to descend, so that the clamping plates move to the two sides of the screw, the second servo motor is started to drive the clamping plates to contract towards the middle to clamp the screw in the middle, and the electric telescopic rod on the top end is started to drive the fixed box to move upwards, so that tension test is performed, and the screw can be automatically clamped;

(3) through being provided with the activity groove, the stopper, a groove, a fixed base, the thread groove, the mounting groove, tensiometer and window, when the electric telescopic handle on top passes through the screw rise of splint pulling thread inslot portion, the tensiometer of fixing base pulling bottom, the tensiometer receives the registration that the pulling force can be quick, the stopper of fixing base both sides is at the inside motion in activity groove, can guarantee the stability of fixing base, thereby improve the precision of registration, the registration on the tensiometer is observed through the window that testing personnel can be convenient, realized reading the tension value that can be convenient.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a front view of the worktable of the present invention;

fig. 3 is an enlarged partial sectional view of the utility model at a in fig. 1;

fig. 4 is a schematic view of the bottom structure of the fixing box of the present invention.

In the figure: 1. a work table; 2. a support column; 3. a top box; 4. a cavity; 5. a first servo motor; 6. a threaded shaft; 7. an electric telescopic rod; 8. a first threaded sleeve; 9. sleeving a groove; 10. a first chute; 11. a limiting rod; 12. a second servo motor; 13. a fixed box; 14. a bidirectional screw rod; 15. a second threaded sleeve; 16. a second chute; 17. a connecting rod; 18. a splint; 19. a movable groove; 20. a limiting block; 21. a groove; 22. a fixed seat; 23. a thread groove; 24. mounting grooves; 25. a tension meter; 26. a viewing window.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a tension testing device for a precision screw production process comprises a workbench 1 and supporting columns 2, wherein two ends of two sides of the top end of the workbench 1 are respectively and fixedly connected with a group of supporting columns 2, the top end of each supporting column 2 is fixedly connected with a top box 3, a fixing box 13 is arranged at the bottom end of each top box 3, and a groove 21 is formed in the top end of the workbench 1;

a cavity 4 is formed in one side inside the top box 3, a first servo motor 5 is fixedly connected inside the cavity 4, the first servo motor 5 penetrates through the inside of the top box 3 and is fixedly connected with a threaded shaft 6, a first threaded sleeve 8 is movably connected to the outside of the threaded shaft 6, a first sliding groove 10 is formed in the bottom end of the top box 3, an electric telescopic rod 7 is fixedly connected to the bottom end of the first threaded sleeve 8, the electric telescopic rod 7 penetrates through the first sliding groove 10 and extends to the outside of the top box 3, a limiting rod 11 is fixedly connected to one side of the supporting column 2, a sleeve groove 9 is fixedly connected to one end of the electric telescopic rod 7, a fixing seat 22 is movably connected inside the groove 21, and a plurality of groups of threaded grooves 23 are formed in the top end of the fixing seat 22;

the sleeve groove 9 and the limiting rod 11 form sliding connection, and the width of the electric telescopic rod 7 is smaller than the width of the inside of the first sliding groove 10;

specifically, as shown in fig. 1 and fig. 3, when examining, it is inside to change over to the thread groove 23 that corresponds with the multiunit screw according to the size, start the first servo motor 5 on top and drive the inside screw shaft 6 rotation of top case 3, screw shaft 6 pivoted drives outside first screw sleeve 8 to the side motion simultaneously, first screw sleeve 8 drives electric telescopic handle 7 of bottom again to the side motion, electric telescopic handle 7 drives the fixture removal of bottom and stops behind the top of the screw of required test, the gag lever post 11 that support column 2 one side is fixed can be spacing to electric telescopic handle 7 through grooving 9, stability when guaranteeing the motion, realized can testing not unidimensional screw according to the demand.

Example 2: one side of the fixed box 13 is fixedly connected with a second servo motor 12, the output end of the second servo motor 12 penetrates one side of the fixed box 13 and extends to the inside of the fixed box 13 to be fixedly connected with a bidirectional screw rod 14, two sides of the outside of the bidirectional screw rod 14 are respectively and movably connected with a group of second threaded sleeves 15, the bottom end of the fixed box 13 is provided with a second sliding groove 16, the bottom end of each second threaded sleeve 15 is fixedly connected with a connecting rod 17, and each connecting rod 17 penetrates through the corresponding second sliding groove 16 and extends to the outside of the fixed box 13 to be fixedly connected with a clamping plate 18;

the central line of the fixed box 13 and the central line of the electric telescopic rod 7 are on the same vertical plane, and the fixed box 13 and the bidirectional screw rod 14 form movable connection;

specifically, as shown in fig. 1, fig. 3 and fig. 4, after the fixed box 13 is driven to the top end of the corresponding screw, the second servo motor 12 is started to drive the two-way screw rod 14 on one side to rotate, the two-way screw rod 14 rotates and drives the second threaded sleeves 15 on the two outer sides to move towards the two sides, the second threaded sleeves 15 drive the two sets of clamping plates 18 through the connecting rods 17 to open, the electric telescopic rod 7 on the top end is started to drive the fixed box 13 to descend, so that the clamping plates 18 move to the two sides of the screw, the second servo motor 12 is started to drive the clamping plates 18 to contract towards the middle to clamp the screw in the middle, at this time, the electric telescopic rod 7 on the top end is started to drive the fixed box 13 to move upwards, thereby performing tensile test, and realizing automatic clamping of the screw.

Example 3: a group of movable grooves 19 are respectively formed in two sides of the groove 21, a group of limiting blocks 20 are respectively fixedly connected to the bottom ends of two sides of the fixed seat 22, the movable grooves 19 and the limiting blocks 20 are movably connected, an installation groove 24 is formed in the bottom end of the groove 21, a tension meter 25 is fixedly connected to the interior of the installation groove 24, and a window 26 is fixedly connected to one end of the interior of the tension meter 25;

the fixed seat 22 and the tension meter 25 form a fixed connection, and the central line of the fixed seat 22 and the central line of the tension meter 25 are on the same vertical plane;

specifically, as shown in fig. 1 and fig. 2, when the electric telescopic handle 7 on top rises through the inside screw of splint 18 pulling thread groove 23, the tensiometer 25 of fixing base 22 pulling bottom, tensiometer 25 receives the registration that the pulling force can be quick, stopper 20 of fixing base 22 both sides is at the inside motion of activity groove 19, can guarantee fixing base 22's stability, thereby improve the precision of registration, the registration on tensiometer 25 is observed through window 26 that detection personnel can be convenient, the reading tension value that can be convenient has been realized.

The working principle is as follows: when the utility model is used, firstly, when detecting, a plurality of groups of screws are turned into corresponding thread grooves 23 according to the size, the first servo motor 5 at the top end is started to drive the thread shaft 6 in the top box 3 to rotate, the thread shaft 6 drives the first thread sleeve 8 at the outer part to move to one side while rotating, the first thread sleeve 8 drives the electric telescopic rod 7 at the bottom end to move to one side, the electric telescopic rod 7 drives the clamping mechanism at the bottom end to move to the top end of the screw to be tested and then stops, the spacing rod 11 fixed at one side of the support column 2 can limit the electric telescopic rod 7 through the sleeve groove 9, the stability during movement is ensured, after the fixed box 13 is driven to the corresponding screw top end, the second servo motor 12 is started to drive the bidirectional screw rod 14 at one side to rotate, the bidirectional screw rod 14 drives the second thread sleeves 15 at the outer two sides to move to two sides while rotating, second threaded sleeve 15 rethread connecting rod 17 drives two sets of splint 18 and opens after, it drives fixed case 13 and descends to start electric telescopic handle 7 on top, make splint 18 move behind the both sides of screw, it carries out the centre gripping to the screw of centre to start second servo motor 12 and drive splint 18, at this moment, it drives fixed case 13 upward movement to start electric telescopic handle 7 on top, thereby carry out tensile test, when electric telescopic handle 7 on top rises through the screw of splint 18 pulling thread groove 23 inside, the tensiometer 25 of fixing base 22 pulling bottom, tensiometer 25 receives the registration that the pulling force can be quick, stopper 20 of fixing base 22 both sides is at the inside motion of activity groove 19, can guarantee fixing base 22's stability, thereby improve the precision of registration, the registration on the registration 25 is observed through 26 that the window can be convenient to the measurement personnel.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a precision screw production technology tensile test device, includes workstation (1) and support column (2), its characterized in that: the two ends of the two sides of the top end of the workbench (1) are respectively and fixedly connected with a group of supporting columns (2), the top end of each supporting column (2) is fixedly connected with a top box (3), the bottom end of each top box (3) is provided with a fixing box (13), and the top end of the workbench (1) is provided with a groove (21).

2. The tension testing device for the precision screw production process according to claim 1, wherein the tension testing device comprises: a cavity (4) is arranged on one side inside the top box (3), a first servo motor (5) is fixedly connected inside the cavity (4), the first servo motor (5) penetrates through the top box (3) and is fixedly connected with a threaded shaft (6), a first threaded sleeve (8) is movably connected outside the threaded shaft (6), a first sliding groove (10) is formed in the bottom end of the top box (3), an electric telescopic rod (7) is fixedly connected to the bottom end of the first threaded sleeve (8), the electric telescopic rod (7) penetrates through the first sliding groove (10) and extends to the outside of the top box (3), a limiting rod (11) is fixedly connected to one side of the supporting column (2), a sleeve groove (9) is fixedly connected to one end of the electric telescopic rod (7), a fixing seat (22) is movably connected inside the groove (21), and a plurality of groups of threaded grooves (23) are formed in the top end of the fixing seat (22), the sleeve groove (9) and the limiting rod (11) form sliding connection, and the width of the electric telescopic rod (7) is smaller than the width of the inner portion of the first sliding groove (10).

3. The tension testing device for the precision screw production process according to claim 1, wherein the tension testing device comprises: one side fixedly connected with second servo motor (12) of fixed case (13), the output of second servo motor (12) runs through one side of fixed case (13) and extends to the two-way lead screw (14) of inside fixedly connected with of fixed case (13), two-way lead screw (14) outside both sides respectively swing joint have a set of second threaded sleeve (15), second spout (16) have been seted up to the bottom of fixed case (13), the bottom fixedly connected with connecting rod (17) of second threaded sleeve (15), connecting rod (17) run through second spout (16) and extend to outside fixedly connected with splint (18) of fixed case (13).

4. The tension testing device for the precision screw production process according to claim 1, wherein the tension testing device comprises: the central line of the fixed box (13) and the central line of the electric telescopic rod (7) are on the same vertical plane, and the fixed box (13) and the bidirectional screw rod (14) form a movable connection.

5. The tension testing device for the precision screw production process according to claim 2, wherein the tension testing device comprises: a set of activity groove (19) has been seted up respectively to the both sides of recess (21), the bottom of fixing base (22) both sides is a set of stopper (20) of fixedly connected with respectively, activity groove (19) constitute swing joint with stopper (20), mounting groove (24) have been seted up to the bottom of recess (21), the inside fixedly connected with tensiometer (25) of mounting groove (24), the inside one end fixedly connected with window (26) of tensiometer (25).

6. The tension testing device for the precision screw production process according to claim 2, wherein the tension testing device comprises: the fixed seat (22) and the tension meter (25) form fixed connection, and the center line of the fixed seat (22) and the center line of the tension meter (25) are on the same vertical plane.