CN220136847U - Screw strength testing device for screw production - Google Patents

Abstract

The utility model is applicable to the technical field of screw processing, and provides a screw strength testing device for screw production, which comprises: the detection bench, detection mechanism, it has the detection support, detection support fixed connection in detect bench, still be provided with on it and carry and press subassembly and adjusting part, adjusting part movable mounting in detect on the support, and be used for regulating and controlling and being connected with carry and press subassembly and vertically go up and down along vertical height to adjust, sideslip part, it set up in one side of detection support still horizontal sliding connection in detect bench, clamping mechanism, it has first clamping part and second clamping part, this device has increased the resistance to compression detection to the screw, after the second clamping part removes to carry and press subassembly below, adjusting part drives and carries and press subassembly subsides downwards, carries the clamping part of pressing subassembly bottom and drives the screw and remove towards the second clamping part to smash into the pick-up plate with the screw in.

Description

Screw strength testing device for screw production

Technical Field

The utility model belongs to the technical field of screw machining, and particularly relates to a screw strength testing device for screw production.

Background

The screw is a part widely applied in industrial production or daily life, and plays a role in fixing objects, and after the screw is produced, various performances of the screw need to be detected to determine whether the screw meets performance requirements, wherein the most common is to test the tensile strength of the screw.

The utility model discloses a Chinese patent with publication number of CN212658535U, a screw strength testing device for screw production, comprising a base barrel, wherein the top of the base is fixedly connected with two support columns, the inner side of each support column is provided with a gear, the gear is rotationally connected with the support column through a support rod, the gear is fixedly connected with the support rod at the center, the support rod is in sliding connection with the support column through the outer wall of the support rod in cooperation with corresponding sliding grooves formed in the support column, the bottom of one end of the support column, which is positioned at the top of the base, is rotationally connected with a threaded rod, the outer wall of the threaded rod is provided with a sleeve with corresponding threads, and the sleeve is rotationally connected with the threaded rod through threads. The utility model can test the tensile strength of the screw through simple operation.

However, the above-mentioned comparative document has the following technical problems:

1. in the above-mentioned device, only a phenomenon that a screw is broken or not is proposed, which is detected by means of stretching when detecting the strength of the screw, but in general, the screw is driven into two objects to be connected as a fastener when in use, at this time, the compression resistance of the screw needs to be tested, and whether the screw is broken or bent or the like is detected when the screw is pressed, and the above-mentioned device is not described in this respect, so that the test for the above description cannot be satisfied.

2. The mode of stretching the screw when using is through manual rotation handle thereby drive the sleeve through the cooperation of gear, row tooth promotes to realize the tensile to the screw, however, above-mentioned mode needs all to be through the manual effort drive above-mentioned device work of pay for labor force when detecting at every turn, after long-time work, needs to throw in more manual work load, is inconvenient for the normal use of above-mentioned device.

Disclosure of Invention

The utility model provides a screw strength testing device for screw production, which aims to solve the problem that the device in the background technology lacks the test on the compression resistance of screws, so that the subsequent detection of the compression resistance of the screws is inconvenient.

The utility model is realized in such a way that a screw strength testing device for screw production comprises: the device comprises a detection table, a detection mechanism, a clamping mechanism and a lifting and pressing assembly, wherein the detection table is provided with a detection support, the detection support is fixedly connected to the detection table, the lifting and pressing assembly and an adjusting assembly are further arranged on the detection support, the adjusting assembly is movably installed on the detection support and used for adjusting and controlling the lifting and pressing assembly connected with the adjusting assembly to longitudinally lift and adjust along the vertical height, the transverse moving assembly is arranged on one side of the detection support and is also horizontally and slidably connected to the detection table, the clamping mechanism is provided with a first clamping part and a second clamping part, the first clamping part and the second clamping part are symmetrically arranged on the transverse moving assembly, the first clamping part is used for clamping a screw to perform a lifting and pressing test, and the second clamping part is used for clamping the screw to perform a pressing test; in the scheme, when a first clamping part clamps a screw and moves to the lower part of a detection mechanism along a transverse moving part, an adjusting component controls a lifting component to longitudinally lift, the clamping component at the bottom of the lifting component clamps an end cap of the screw and pulls the screw to move upwards, and under the cooperation of the first clamping part, whether the screw is broken or not is detected when being stretched;

after the second clamping part moves to the lower part of the detection mechanism along the transverse moving part, the adjusting component controls the lifting and pressing component to sink and continuously smash the screw into the second clamping part, and whether the screw breaks when smashing is detected through the downward pressing power continuously applied by the lifting and pressing component.

Preferably, the detection support includes: the device comprises a detection platform, a detection seat, a pressure lifting assembly and a pressure adjusting assembly, wherein the detection platform is fixedly connected with the detection seat, first connecting plates are vertically arranged at two ends of the installation seat, a second connecting plate is horizontally fixedly connected between the top ends of the two first connecting plates, and the pressure lifting assembly is movably connected to the second connecting plate; in this scheme, second connecting plate parallel arrangement is in the top of detecting the platform, and its aim at can guarantee to carry and press the subassembly and detect mutually perpendicular between the platform, the compressive and tensile properties of follow-up detection screw of being convenient for.

Preferably, the pressure increasing assembly includes: the installation sleeve is fixedly connected to the bottom wall of the second connecting plate, the outer wall of the installation sleeve is sleeved with a movable sleeve, the installation sleeve is movably connected to a containing groove formed in the movable sleeve, a sleeve is sleeved in the installation sleeve, one end of the sleeve extends into the containing groove and is fixedly connected with the inner bottom wall of the sleeve, the other end of the sleeve penetrates through the second connecting plate and extends above the second connecting plate, a pressing block is fixedly connected to the bottom wall of the movable sleeve, and a clamping assembly for clamping a screw end cap is arranged on the pressing block; in this scheme, the movable sleeve can receive the restriction of installation sleeve outer wall and do vertical lift along the direction of predetermineeing at the lift in-process to can make when tensile and smash the screw down, its produced power is in vertical orientation, avoid influencing the accuracy of screw detection data because of the power source changes, simultaneously, sleeve pipe sliding connection just with the interior bottom rigid coupling of storage tank of the inboard storage tank of seting up of movable sleeve in the installation sleeve, consequently, can guarantee the stability of movable sleeve lift again, avoid appearing rocking or phenomenon such as dislocation.

It should be explained that the briquetting can restrict the end cap of screw on the one hand to guarantee the planarization of clamping assembly centre gripping screw, on the other hand, when carrying out compressive test, it can smash to the end cap of screw, makes its stable quilt smash into the pick-up plate.

Preferably, the adjusting assembly comprises: the motor is fixedly connected to the second connecting plate, a first belt pulley is sleeved on the output end of the motor, a transmission shaft is rotationally connected between the two first connecting plates, a second belt pulley is sleeved on one end of the transmission shaft, a transmission belt is in transmission connection between the second belt pulley and the first belt pulley, a driving gear is sleeved on the transmission shaft, a driving rack is fixedly connected on the outer wall of the movable sleeve along the height direction of the driving gear, and the driving rack and the driving gear are meshed with each other; in this scheme, after the external power supply is put through to the motor, its output drives first belt pulley and rotates, and first belt pulley drives the second belt pulley through the transmission of drive belt and drives the transmission shaft rotation, drives drive gear rotation when the transmission shaft is rotatory, and the drive rack of being connected with drive gear meshing then pulls movable sleeve and carries out elevating movement.

It should be explained that the lifting of the movable sleeve depends on the direction of rotation of the motor output.

Preferably, the clamping assembly comprises: two arc clamp splice that set up relatively, two it has the rotating block to articulate between the one end of arc clamp splice, two the uniform body shaping is provided with the extension post on the other end outer wall of arc clamp splice, and two through locking piece locking is fixed between the extension post, two still paste on the inboard perisporium of arc clamp splice and be equipped with the abrasionproof pad, wherein, the locking piece includes: two lantern rings sleeved on the extending columns at two sides oppositely, and a connecting block is fixedly connected between the two lantern rings; in this scheme, when locking the fastening to the screw end cap, place the screw end cap between two arc clamp splice and make its top surface conflict on the lower surface of briquetting, simultaneously, rotate two arc clamp splice round the revolute block to the screw direction for the abrasionproof pad supports and presses on the outer wall of screw end cap, then, utilizes two lantern rings of locking piece to overlap respectively and locate on two extension posts, realizes the fixed to two arc clamp splice.

Preferably, the traverse member includes: the sliding chute is arranged on the detection table, is positioned on one side of the detection mechanism, is internally connected with a sliding plate in a sliding manner, is fixedly connected with a telescopic cylinder on one side wall of the detection table, is fixedly connected with the sliding plate at the output end of the telescopic cylinder, and is symmetrically arranged on the sliding plate; in this scheme, after flexible cylinder together with external air supply, thereby its output stretches out and promotes the slide and slide in the spout level to utilize the slip of slide to carry respectively the below of carrying the pressure subassembly with first clamping part, second clamping part and realize the detection to the screw.

Preferably, the first clamping portion includes: the two mounting blocks are oppositely arranged along the width of the sliding plate, the two mounting blocks are fixedly connected with pushing cylinders, the output ends of the two pushing cylinders facing the center of the sliding plate are fixedly connected with clamping plates, and the clamping plates are connected to the sliding plate in a sliding manner; in this scheme, the shaft portion of screw is placed between two clamping plates, and the air supply of two propulsion cylinders of intercommunication, its output stretches out towards the screw and promotes the clamping plate and press from both sides the outside in shaft portion, realizes the clamp fastening to the screw to follow-up completion is carried and is surveyed the screw.

Preferably, the second clamping portion includes: the locating plate is fixedly connected to the sliding plate, one side of the locating plate is also provided with a movable plate, the movable plate is connected to the sliding plate in a sliding manner, a screw is connected to the locating plate in a threaded manner, one end of the screw is connected to the movable plate in a matched manner, the other end of the screw is fixedly connected with a rotary handle, and a detection plate is clamped between the movable plate and the locating plate; in this scheme, place the pick-up plate between locating plate and fly leaf, then, rotate rotatory handle and make it drive the screw rod and rotate, adjust the position of fly leaf through the rotation of screw rod for its cooperation locating plate presss from both sides tight pick-up plate, makes things convenient for follow-up realization to the resistance to compression test of screw.

Compared with the prior art, the utility model has the beneficial effects that: the utility model relates to a screw strength testing device for screw production:

1. this device has increased the resistance to compression detection to the screw, and after the second clamping part moved to and has carried the pressure subassembly below, adjusting part drove and carry the pressure subassembly and subside downwards, carries the clamping part of pressure subassembly bottom and drives the screw and remove towards the second clamping part to smash into the pick-up plate with the screw in, thereby whether detect the screw and appear breaking or deformation at the in-process of pushing down through observing the process of screw embedding pick-up plate.

2. The first belt pulley is driven to rotate through the motor output end, the second belt pulley is driven to drive the transmission shaft to rotate through the transmission of the transmission belt, the driving gear is driven to rotate when the transmission shaft rotates, the driving rack meshed with the driving gear further pulls the movable sleeve to conduct lifting movement, and the device replaces manual driving of the movable sleeve to lift through electrical equipment, so that the investment of manual labor is reduced.

3. The first clamping part and the second clamping part are rapidly switched to the lower part of the lifting component through the transverse moving component, so that the screw can be conveniently and rapidly subjected to compression resistance and tensile resistance detection.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is a top view of a partial mechanism of the present utility model;

FIG. 3 is a front cross-sectional view and a partial enlarged view of the in-test mechanism of the present utility model;

FIG. 4 is a side view of the detection mechanism of the present utility model;

FIG. 5 is a top view of the clamping assembly of the present utility model;

FIG. 6 is a schematic view of a locking element of the present utility model;

in the figure:

1. a detection table;

2. a detection mechanism; 21. detecting a bracket; 211. a mounting base; 212. a first connection plate; 213. a second connecting plate; 22. a pressure lifting assembly; 221. a mounting sleeve; 222. a movable sleeve; 223. a receiving groove; 224. a sleeve; 225. briquetting; 23. an adjustment assembly; 231. a motor; 232. a first pulley; 233. a transmission shaft; 234. a second pulley; 235. a transmission belt; 236. a drive gear; 237. a drive rack;

4. a traversing member; 41. a chute; 42. a slide plate; 43. a telescopic cylinder;

5. clamping mechanism; 51. a first clamping part; 511. a mounting block; 512. a propulsion cylinder; 513. a clamping plate; 52. a second clamping portion; 521. a positioning plate; 522. a movable plate; 523. a screw; 524. rotating the handle; 525. a detection plate;

6. a clamping assembly; 61. arc clamping blocks; 62. a rotating block; 63. an extension column; 64. a locking member; 641. a collar; 642. a connecting block; 65. and (3) an abrasion-proof pad.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.

The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.

All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-6, the present utility model provides a technical solution: screw strength testing arrangement is used in production of screw, includes: the detection platform 1, detection mechanism 2, it has detection support 21, detection support 21 fixed connection is on detection platform 1, still be provided with on it and carry and press subassembly 22 and adjusting part 23, adjusting part 23 movable mounting is on detection support 21, and be used for regulating and controlling the pressure subassembly 22 that is connected with it and vertically go up and down along vertical height and adjust, sideslip part 4, it sets up in one side of detection support 21, still horizontal sliding connection is on detection platform 1, and clamping mechanism 5, it has first clamping part 51 and second clamping part 52, first clamping part 51 and second clamping part 52 symmetrical setting are on sideslip part 4, and first clamping part 51 is used for the centre gripping screw to do the lift test, and second clamping part 52 is used for the centre gripping screw to do the push down test.

Specifically, this device still is provided with counterpoint detection device, and it is used for detecting whether first clamping part 51 and second clamping part 52 are accurate to stop in lifting and pressing subassembly 22 below, prevents to lead to the unexpected damage of screw and influence test data accuracy because of the angle deviation when testing resistance to compression, the tensile of screw, and this counterpoint detection device includes: the receiver fixedly connected to the bottom wall of the movable sleeve 222, and the two transmitters mounted on the sliding plate 42 are respectively correspondingly mounted beside the first clamping part 51 and the second clamping part 52, when the first clamping part 51 or the second clamping part 52 moves below the pressure lifting assembly 22, the receiver receives signals sent by the transmitters, so that the signals are transmitted to external control equipment, the external control equipment further stops the action of the telescopic cylinder 43, and the first clamping part 51 or the second clamping part 52 is stably stopped below the pressure lifting assembly 22, so that subsequent detection is facilitated.

It should be explained that in the above scheme, the receiver is an optical signal receiver, and the transmitter is an optical signal transmitter.

Based on the above, the detection bracket 21 includes: the two ends of the mounting seat 211 are vertically provided with a first connecting plate 212, and a second connecting plate 213 is horizontally fixedly connected between the top ends of the two first connecting plates 212, wherein the pressure lifting assembly 22 is movably connected to the second connecting plate 213.

Based on the above, the pressure increasing assembly 22 includes: the installation sleeve 221 fixedly connected to the bottom wall of the second connecting plate 213, the movable sleeve 222 is sleeved on the outer wall of the installation sleeve 221, the installation sleeve 221 is movably connected in a containing groove 223 formed in the movable sleeve 222, a sleeve 224 is sleeved in the installation sleeve 221, one end of the sleeve 224 extends into the containing groove 223 and is fixedly connected with the inner bottom wall of the sleeve, the other end of the sleeve 224 penetrates through the second connecting plate 213 and extends above the second connecting plate 213, a pressing block 225 is fixedly connected to the bottom wall of the movable sleeve 222, and a clamping assembly 6 for clamping the screw end cap is arranged on the pressing block 225.

Based on the above, the adjusting assembly 23 includes: the motor 231 fixedly connected to the second connecting plate 213 is provided with a first belt pulley 232 in a sleeved mode at the output end, a transmission shaft 233 is rotatably connected between the two first connecting plates 212, a second belt pulley 234 is sleeved at one end of the transmission shaft 233, a transmission belt 235 is connected between the second belt pulley 234 and the first belt pulley 232 in a transmission mode, a driving gear 236 is sleeved on the transmission shaft 233, a driving rack 237 is fixedly connected to the outer wall of the movable sleeve 222 along the height direction of the outer wall of the movable sleeve, and the driving rack 237 and the driving gear 236 are meshed with each other.

Based on the above, the clamping assembly 6 comprises: two arc clamp splice 61 of setting relatively, articulated have the rotating block 62 between the one end of two arc clamp splice 61, the homogeneous body shaping is provided with the extension post 63 on the other end outer wall of two arc clamp splice 61, and is fixed through locking piece 64 locking between two extension posts 63, still paste on the inboard perisporium of two arc clamp splice 61 and be equipped with anti-wear pad 65, wherein, locking piece 64 includes: two sleeve rings 641 which are sleeved on the extending columns 63 at two sides oppositely are arranged, and a connecting block 642 is fixedly connected between the two sleeve rings 641.

Specifically, in the above-mentioned scheme, the anti-wear pad 65 adopts flexible material to support, and its aim at guarantees to press from both sides tight fixed while to screw end cap portion, prevents to take place wearing and tearing between its and the arc clamp splice 61 inner wall, increases simultaneously with the friction between the screw end cap to guarantee that the screw end cap can not deviate from in the clamping component 6 when follow-up detection screw tensile properties, guaranteed the normal clear of detection test.

Based on the above, the traverse member 4 includes: the sliding chute 41 is arranged on the detection table 1, the sliding chute 41 is positioned on one side of the detection mechanism 2, the sliding plate 42 is connected inside the sliding chute 41 in a sliding way, the telescopic cylinder 43 is fixedly connected on one side wall of the detection table 1, the output end of the telescopic cylinder is fixedly connected with the sliding plate 42, and the first clamping part 51 and the second clamping part 52 are symmetrically arranged on the sliding plate 42.

Based on the above, the first clamping portion 51 includes: two installation blocks 511 which are oppositely arranged along the width of the sliding plate 42, wherein the two installation blocks 511 are fixedly connected with pushing air cylinders 512, the output ends of the two pushing air cylinders 512, which face the center of the sliding plate 42, are fixedly connected with clamping plates 513, and the clamping plates 513 are connected to the sliding plate 42 in a sliding manner.

Specifically, the anti-slip lines are arranged on the end surfaces of the two clamping plates 513, which are close to each other, so that the contact area between the anti-slip lines and the screw shaft is increased, the screw shaft is prevented from being separated from the two clamping plates 513 when the tensile test is performed, and the normal running of the detection test is ensured.

Based on the above, the second clamping portion 52 includes: the locating plate 521 is fixedly connected to the slide plate 42, one side of the locating plate 521 is also provided with a movable plate 522, the movable plate 522 is slidably connected to the slide plate 42, a screw 523 is screwed on the locating plate 521, one end of the screw 523 is connected to the movable plate 522 in a matched manner, a rotary handle 524 is fixedly connected to the other end of the screw 523, and a detection plate 525 is clamped between the movable plate 522 and the locating plate 521.

Specifically, the material of pick-up plate 525 contains solid wood plate, composite board and air brick to the physical properties that its produced when detectable screw was in the different materials of nailing, and then, the follow-up record and the use to the screw of convenience.

In addition, install spacing seat on the lateral wall of fly leaf 522, offered the through-hole that supplies the screw rod 523 to penetrate on this spacing seat, the inside of spacing seat holds the stopper simultaneously, and the external diameter of this stopper is greater than the aperture of through-hole to the stopper can not break away from spacing seat along the through-hole, and the tip rigid coupling of screw rod 523 is on the stopper, and stopper and spacing seat are inside not to be connected, consequently, when screw rod 523 rotates, can utilize stopper promotion or pulling spacing seat, thereby drive fly leaf 522 slides on slide 42.

The working principle and the using flow of the utility model are as follows:

when a tensile test is required, the shaft part of the screw is placed between the two clamping plates 513, meanwhile, the two pushing cylinders 512 push the clamping plates 513 on the output ends of the pushing cylinders to move towards the shaft part and clamp the outer sides of the shaft part, and then the output ends of the telescopic cylinders 43 push the sliding plates 42 to slide in the sliding grooves 41, so that the first clamping parts 51 are moved below the lifting and pressing assemblies 22;

the clamping assembly 6 is clamped at the outer side of the screw end cap, meanwhile, the output end of the motor 231 rotates, the transmission shaft 233 is controlled to rotate through the transmission of the first belt pulley 232, the transmission belt 235 and the second belt pulley 234, the transmission shaft 233 rotates to drive the driving gear 236 to rotate, the driving gear 236 drives the meshed driving rack 237 to lift, and accordingly the movable sleeve 222 is pulled to lift through the driving rack 237, the clamping assembly 6 is pulled to lift synchronously, and the detection of the tensile performance of the screw is achieved;

when pressure resistance detection is needed, the end cap part of the screw is clamped in the clamping assembly 6, then, the output end of the telescopic cylinder 43 drives the sliding plate 42 to move along the sliding groove 41, the second clamping part 52 is moved to the lower part of the pressure lifting assembly 22, the detection plate 525 is clamped between the movable plate 522 and the positioning plate 521, the adjusting assembly 23 controls the pressure lifting assembly 22 to sink, the screw is crashed into the detection plate 525, then, the clamping assembly 6 loosens the limit on the end cap of the screw, the adjusting assembly 23 controls the pressure lifting assembly 22 to lift a certain distance and sink again, the screw is crashed into the detection plate 525 after being continued for a plurality of times, the state of the screw is observed, and the detection of the pressure resistance of the screw is realized.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (8)

1. Screw strength testing arrangement is used in production based on screw, its characterized in that: comprising the following steps:

a detection table (1);

the detection mechanism (2) is provided with a detection bracket (21), the detection bracket (21) is fixedly connected to the detection table (1), a pressure lifting assembly (22) and an adjusting assembly (23) are further arranged on the detection bracket, and the adjusting assembly (23) is movably mounted on the detection bracket (21) and is used for adjusting and controlling the pressure lifting assembly (22) connected with the pressure lifting assembly to longitudinally lift along the vertical height;

a traverse member (4) provided on one side of the detection holder (21) and horizontally slidably connected to the detection table (1);

and the clamping mechanism (5) is provided with a first clamping part (51) and a second clamping part (52), the first clamping part (51) and the second clamping part (52) are symmetrically arranged on the transverse moving component (4), the first clamping part (51) is used for clamping a screw to be used for a lifting test, and the second clamping part (52) is used for clamping the screw to be used for a pressing test.

2. A screw strength testing device for screw production according to claim 1, wherein: the detection support (21) comprises:

the device is fixedly connected to an installation seat (211) on the detection table (1), a first connecting plate (212) is vertically installed at two ends of the installation seat (211), and a second connecting plate (213) is horizontally fixedly connected between the top ends of the two first connecting plates (212);

the pressure lifting assembly (22) is movably connected to the second connecting plate (213).

3. A screw strength testing device for screw production according to claim 2, wherein: the pressure increasing assembly (22) includes:

the installation sleeve (221) is fixedly connected to the bottom wall of the second connecting plate (213), a movable sleeve (222) is sleeved on the outer wall of the installation sleeve (221), and the installation sleeve (221) is movably connected in a containing groove (223) formed in the movable sleeve (222);

a sleeve (224) is sleeved in the mounting sleeve (221), one end of the sleeve (224) extends into the accommodating groove (223) and is fixedly connected with the inner bottom wall of the accommodating groove, and the other end of the sleeve penetrates through the second connecting plate (213) and extends above the second connecting plate (213);

a pressing block (225) is fixedly connected to the bottom wall of the movable sleeve (222), and a clamping component (6) for clamping the screw end cap is arranged on the pressing block (225).

4. A screw strength testing device for screw production according to claim 3, wherein: the adjustment assembly (23) comprises:

a motor (231) fixedly connected to the second connecting plate (213), and a first belt pulley (232) is sleeved on the output end of the motor;

a transmission shaft (233) is rotatably connected between the two first connecting plates (212), a second belt pulley (234) is sleeved at one end of the transmission shaft (233), and a transmission belt (235) is in transmission connection between the second belt pulley (234) and the first belt pulley (232);

the transmission shaft (233) is further sleeved with a driving gear (236), a driving rack (237) is fixedly connected to the outer wall of the movable sleeve (222) along the height direction of the movable sleeve, and the driving rack (237) and the driving gear (236) are meshed with each other.

5. A screw strength testing device for screw production according to claim 3, wherein: the clamping assembly (6) comprises:

two arc-shaped clamping blocks (61) which are oppositely arranged, and a rotating block (62) is hinged between one ends of the two arc-shaped clamping blocks (61);

an extending column (63) is uniformly and integrally formed on the outer wall of the other end of the two arc-shaped clamping blocks (61), and the two extending columns (63) are locked and fixed through a locking piece (64);

the inner side peripheral walls of the two arc-shaped clamping blocks (61) are also stuck with anti-wear pads (65);

wherein the locking member (64) comprises:

two lantern rings (641) sleeved on the extending columns (63) at two sides oppositely, and connecting blocks (642) are fixedly connected between the two lantern rings (641).

6. A screw strength testing device for screw production according to claim 1, wherein: the traverse member (4) includes:

the sliding chute (41) is arranged on the detection table (1), the sliding chute (41) is positioned on one side of the detection mechanism (2), a sliding plate (42) is connected inside the sliding chute in a sliding manner, a telescopic cylinder (43) is fixedly connected to one side wall of the detection table (1), and the output end of the telescopic cylinder is fixedly connected with the sliding plate (42);

the first clamping part (51) and the second clamping part (52) are symmetrically arranged on the sliding plate (42).

7. The screw strength testing device for screw production according to claim 6, wherein: the first clamping part (51) comprises:

two mounting blocks (511) which are oppositely arranged along the width of the sliding plate (42), wherein the two mounting blocks (511) are fixedly connected with a pushing cylinder (512);

and the output ends of the two pushing cylinders (512) facing the center of the sliding plate (42) are fixedly connected with clamping plates (513), and the clamping plates (513) are connected to the sliding plate (42) in a sliding manner.

8. The screw strength testing device for screw production according to claim 6, wherein: the second clamping portion (52) includes:

the positioning plate (521) is fixedly connected to the sliding plate (42), one side of the positioning plate (521) is also provided with a movable plate (522), and the movable plate (522) is slidably connected to the sliding plate (42);

the positioning plate (521) is in threaded connection with a screw rod (523), one end of the screw rod (523) is connected to the movable plate (522) in a matched mode, and the other end of the screw rod is fixedly connected with a rotary handle (524);

a detection plate (525) is clamped between the movable plate (522) and the positioning plate (521).