Tensile machine for screw production

Abstract

The utility model discloses a tensile machine for screw production, which comprises a base, and a frame for tension detection is mounted at the upper end of the base. The two groups of clamping pieces are symmetrically arranged on the rack and are used for clamping the tail part of the screw in a tension test process, and the rack is provided with a telescopic assembly for stretching out and drawing back the two groups of clamping pieces respectively. In the whole screw tension testing process, the screw can be connected and tested under the condition that the front end of the screw does not need to be clamped through the connection effect of the threaded sleeve and the front end of the screw in cooperation with the clamping piece and the lifting assembly, and the risk that threads on the screw are damaged in the tension testing process is reduced; in the process of connecting and testing the screws, different threaded sleeves on different connecting assemblies can be switched to be in threaded connection with the screws through the rotating assembly according to threads of different specifications on the screws, so that the screws of different models can be connected and tested, and the practicability of the tension meter is improved.

Description

Technical Field

[0001] This utility model relates to the field of screw production technology, specifically a tensile testing machine for screw production. Background Technology

[0002] In the screw production process, in order to ensure the processing quality of the screws, a tensile testing machine is needed to test the tensile strength of the produced screws. During the tensile testing process, a chuck is used to clamp the front and rear ends of the screw. When the chuck clamps the front end of the screw, it comes into direct contact with the threads on the screw, which increases the risk of damage to the threads on the screw during the tensile test.

[0003] Therefore, there is an urgent need for a tensile testing machine for screw production to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a tensile testing machine for screw production, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a tensile testing machine for screw production, comprising a base, wherein a frame for tensile testing is mounted on the upper end of the base; and further comprising two sets of clamping members symmetrically arranged on the frame for clamping the tail of the screw during the tensile testing process, wherein the frame is provided with telescopic components for extending and retracting the two sets of clamping members respectively.

[0006] A connecting plate is mounted on a frame, the frame is equipped with a lifting assembly for raising and lowering the connecting plate, a rotating drum is mounted on one side of the connecting plate, a rotating assembly for switching the rotation of the rotating drum is mounted on the connecting plate, and a connecting assembly for connecting with the end of the screw during the tensile test is mounted on the rotating drum.

[0007] The connecting assembly includes a bracket fixed to the outside of the rotating drum, a first rotating shaft rotatably connected to the bracket, a threaded sleeve for threaded connection with the end of a screw at the front end of the first rotating shaft, an installation assembly for assisting the installation of the threaded sleeve between the end of the first rotating shaft and the threaded sleeve, and a first motor for driving the first rotating shaft mounted on the bracket.

[0008] The connecting components are provided in multiple sets, which are arranged in a circular array around the rotating drum, and the threaded sleeves on each set of connecting components are set with different specifications.

[0009] The mounting assembly includes a first mounting plate fixed to the front end of the first rotating shaft, a connecting shaft fixedly connected to one end of the threaded sleeve, and a second mounting plate fixedly connected to one end of the connecting shaft. The first mounting plate and the second mounting plate are detachably mounted and fixed together by bolts.

[0010] The clamping element is a clamping block used to clamp against the end of the screw.

[0011] The telescopic assembly includes a connecting rod disposed on one side of the frame, the clamping block being fixed to one end of the connecting rod, and a first cylinder for driving the telescopic extension of the connecting rod being mounted on the frame.

[0012] The lifting assembly includes a lifting frame slidably connected to the frame, a connecting plate fixed to one side of the lifting frame, and a second cylinder for lifting and lowering the lifting frame is provided at the upper end of the frame.

[0013] The rotating assembly includes a second rotating shaft fixedly connected to one side of the connecting plate, a rotating cylinder fixedly fixed at one end of the second rotating shaft in the center, and a second motor for driving the second rotating shaft is mounted on the connecting plate.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This utility model discloses a tensile testing machine for screw production. During the entire screw tensile testing process, the connection between the threaded sleeve and the screw tip, along with the clamping and lifting components, allows for screw connection and testing without clamping the screw tip, reducing the risk of thread damage during tensile testing. Furthermore, during the screw connection test, different threaded sleeves on different connecting components can be switched to connect to the screw for different thread specifications by rotating the component, enabling connection and testing of screws of different models and improving the practicality of the tensile tester. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall external structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the overall side profile of the present invention;

[0018] Figure 3 This is a schematic diagram of the connection component and mounting component structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the connection component structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the rotating component structure of this utility model.

[0021] In the diagram: 101, base; 102, frame; 201, first cylinder; 202, connecting rod; 203, clamping block; 3, connecting plate; 401, lifting frame; 402, second cylinder; 5, rotating drum; 601, bracket; 602, first rotating shaft; 603, threaded sleeve; 604, first motor; 701, first mounting plate; 702, second mounting plate; 703, bolt; 704, connecting shaft; 801, second rotating shaft; 802, second motor. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-5 The present invention provides a tensile testing machine for screw production, including a base 101, a frame 102 for tensile testing mounted on the upper end of the base 101; and two sets of clamping members symmetrically arranged on the frame 102 for clamping the tail of the screw during the tensile testing process.

[0024] A connecting plate 3 is provided on the frame 102. The frame 102 is provided with a lifting assembly for raising and lowering the connecting plate 3. A rotating drum 5 is provided on one side of the connecting plate 3. A rotating assembly for switching the rotation of the rotating drum 5 is provided on the connecting plate 3. A connecting assembly for connecting with the end of the screw during the tensile test is provided on the rotating drum 5.

[0025] The connecting assembly includes a bracket 601 fixed to the outside of the rotating drum 5, a first rotating shaft 602 rotatably connected to the bracket 601, a threaded sleeve 603 for threaded connection with the end of a screw is provided at the front end of the first rotating shaft 602, an installation assembly for assisting the installation of the threaded sleeve 603 is provided between the end of the first rotating shaft 602 and the threaded sleeve 603, and a first motor 604 for driving the first rotating shaft 602 is mounted on the bracket 601.

[0026] It should be noted that in the tensile testing of screws, the screws can be connected and tested without clamping the front end of the screw through the cooperation of the connecting components, lifting components, and two sets of clamping and telescopic components. This reduces the risk of damage to the screw threads during the tensile test. Furthermore, by rotating the components, different threaded sleeves 603 on different connecting components can be switched to connect with the screw, enabling the connection and testing of different screw models and improving the practicality of the tensile tester.

[0027] There are multiple sets of connecting components, which are arranged in a circular array around the rotating drum 5, and the threaded sleeves 603 on each set of connecting components are set with different specifications.

[0028] It should be noted here that the use of threaded sleeves 603 of different specifications on multiple sets of connecting components facilitates the connection and testing of screws of different specifications.

[0029] The mounting assembly includes a first mounting plate 701 fixed to the front end of the first rotating shaft 602, a connecting shaft 704 fixedly connected to one end of the threaded sleeve 603, and a second mounting plate 702 fixedly connected to one end of the connecting shaft 704. The first mounting plate 701 and the second mounting plate 702 are detachably mounted and fixed together by bolts 703.

[0030] It should be noted here that when tensile testing is required on screws of different specifications, bolts 703 can be removed to install and fix threaded sleeves 603 of different specifications.

[0031] The clamping component is a clamping block 203 for clamping against the tail of the screw; the telescopic assembly includes a connecting rod 202 disposed on one side of the frame 102, the clamping block 203 is fixed to one end of the connecting rod 202, and a first cylinder 201 for driving the telescopic extension of the connecting rod 202 is mounted on the frame 102.

[0032] It should be noted that: when the screw is placed between the two sets of clamping blocks 203, the telescopic assembly drives the two sets of clamping blocks 203 to abut against the two sides of the screw tail, thus clamping and fixing the screw tail; during the telescopic drive of the clamping blocks 203, the driving action of the first cylinder 201 and the transmission action of the connecting rod 202 can assist the rapid telescopic extension and retraction of the clamping blocks 203.

[0033] The lifting assembly includes a lifting frame 401 slidably connected to the frame 102, a connecting plate 3 fixed to one side of the lifting frame 401, and a second cylinder 402 for lifting the lifting frame 401 is provided at the upper end of the frame 102.

[0034] It should be noted that the second cylinder 402 drives the lifting frame 401 to rise and fall. During the lifting process of the lifting frame 401, the connecting plate 3 is driven to rise and fall synchronously, so as to achieve the purpose of lifting and lowering the connecting plate 3.

[0035] The rotating assembly includes a second rotating shaft 801 fixedly connected to one side of the connecting plate 3, a rotating cylinder 5 fixed in the middle at one end of the second rotating shaft 801, and a second motor 802 for driving the second rotating shaft 801 is mounted on the connecting plate 3.

[0036] It should be noted that the rotating drum 5 is rotated by the driving action of the second motor 802 and the connecting transmission action of the second rotating shaft 801, and the rotation of the rotating drum 5 drives the connecting components on the rotating drum 5 to rotate.

[0037] Working principle: During the tensile test of the screw using the tensile testing machine, the screw is first placed between two sets of clamping blocks 203. Then, through the driving action of the telescopic component and the two sets of clamping blocks 203 respectively, the two sets of clamping blocks 203 abut against the two sides of the screw tail, clamping and fixing the screw tail.

[0038] After clamping the tail of the screw, the second cylinder 402 is driven to lower the lifting frame 401. As the lifting frame 401 descends, the connecting plate 3 and the connecting components on the rotating assembly drive the rotating drum 5 and the threaded sleeve 603 of the connecting assembly on the rotating drum 5 to descend synchronously. During the descent of the threaded sleeve 603, the first motor 604 drives the threaded sleeve 603 to rotate. Through the descent and rotation of the rotating drum 5, the threaded sleeve 603 is threadedly connected to the front end of the screw to be tested. After the connection is completed, the lifting drive of the threaded sleeve 603 and the connection between the threaded sleeve 603 and the screw pull the screw after the tail is fixed and hold it for a certain period of time. After pulling, the screw is measured and observed to determine whether it is qualified and the screw tension test is completed. In the entire screw tension test process, through the connection between the threaded sleeve 603 and the front end of the screw, in conjunction with the clamping parts and the lifting assembly, the screw can be connected and tested without clamping the front end of the screw, reducing the risk of damage to the threads on the screw during the tension test.

[0039] Furthermore, during the connection test of the screw, by rotating the component, different thread sleeves 603 on different connection components can be switched to connect with the screw for different specifications of threads, so that different types of screws can be connected and tested, thus improving the practicality of the tension gauge.

[0040] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A tension testing machine for screw production, comprising: a base (101), an upper end of the base (101) being provided with a rack (102) for tension testing; characterized in that further comprising: two sets of clamping members symmetrically arranged on the rack (102) for clamping the tail of the screw during the tension testing process, the rack (102) being provided with a telescopic assembly for telescoping the two sets of clamping members respectively; a connecting plate (3) arranged on the rack (102), the rack (102) being provided with a lifting assembly for lifting the connecting plate (3), one side of the connecting plate (3) being provided with a rotating drum (5), the connecting plate (3) being provided with a rotating assembly for switching the rotation of the rotating drum (5), the rotating drum (5) being provided with a connecting assembly for connecting with the end of the screw during the tension testing process; the connecting assembly comprises a support (601) fixed to the outer side of the rotating drum (5), the support (601) being rotatably connected with a first rotating shaft (602), a front end of the first rotating shaft (602) being provided with a threaded sleeve (603) for threadedly connecting with the end of the screw, the first rotating shaft (602) and the threaded sleeve (603) being provided with a mounting assembly for assisting the mounting of the threaded sleeve (603), the support (601) being provided with a first motor (604) for driving the first rotating shaft (602).

2. The tension machine for screw production according to claim 1, characterized in that: a plurality of connecting assemblies are arranged, the plurality of connecting assemblies are arranged in an annular array around the rotating drum (5), and the threaded sleeves (603) of the connecting assemblies are arranged in different specifications.

3. The tension machine for screw production according to claim 1, characterized in that: the mounting assembly comprises a first mounting plate (701) fixed to the front end of the first rotating shaft (602), one end of the threaded sleeve (603) being fixedly connected with a connecting shaft (704), one end of the connecting shaft (704) being fixedly connected with a second mounting plate (702), the first mounting plate (701) and the second mounting plate (702) being detachably mounted and fixed by bolts (703).

4. The tension machine for screw production according to claim 1, characterized in that: the clamping member is a clamping block (203) for abutting and clamping the tail of the screw.

5. The tension machine for screw production according to claim 4, characterized in that: the telescopic assembly comprises a connecting rod (202) arranged on one side of the rack (102), the clamping block (203) being fixed to one end of the connecting rod (202), the rack (102) being provided with a first air cylinder (201) for telescoping and driving the connecting rod (202).

6. The tension machine for screw production according to claim 1, characterized in that: the lifting assembly comprises a lifting frame (401) slidingly connected to the rack (102), the connecting plate (3) being fixed to one side of the lifting frame (401), an upper end of the rack (102) being provided with a second air cylinder (402) for lifting and driving the lifting frame (401).

7. The tension machine for screw production according to claim 1, characterized in that: the rotating assembly comprises a second rotating shaft (801) fixedly connected to one side of the connecting plate (3), the rotating drum (5) being fixedly arranged at one end of the second rotating shaft (801), the connecting plate (3) being provided with a second motor (802) for driving the second rotating shaft (801).

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