Lead screw stepping motor test tool
By designing an automated test fixture for lead screw stepper motors, the problem of tedious manual weight addition was solved, and the addition of test blocks was automated, improving testing efficiency and convenience.
Patent Information
- Application Number
- CN202423291934.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-12-30
AI Technical Summary
The existing test fixture for lead screw stepper motors requires manual movement of the extension frame when adding weights, which is cumbersome, time-consuming, and labor-intensive.
A test fixture was designed, comprising a test platform, a material container, test blocks, a stepper motor, a lead screw, a moving component, a feeding frame, and a pushing component. The motor drives the lead screw and the moving component to move the material container and the feeding frame synchronously, automatically adding test blocks. Combined with a blocking component, the test blocks are prevented from slipping out.
It enables automated testing of the load-bearing capacity of the lead screw stepper motor, reducing manual operation and improving testing efficiency and convenience.
Smart Images

Figure CN223742680U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test frock technical field, concretely relates to a screw rod stepping motor test frock. BACKGROUND
[0002] The screw rod stepping motor is a kind of electromechanical integration device that converts rotary motion into linear motion, by the coaxial connection of screw rod and the output end of motor, screw rod will rotate synchronously with rotor, and further drive the nut cooperating with it to make linear motion along the axial direction of screw rod, before using screw rod stepping motor, usually test its thrust and bearing capacity, to avoid subsequent damage to motor due to the installation device of screw rod stepping motor is heavy.
[0003] Through the retrieval such as the announcement number for CN221549896U proposes a kind of linear stepping motor screw rod thrust and durability test frock, the test frock is installed in the two sides of screw rod by extending frame, by starting motor to drive screw rod movement, to drive extending frame to move back and forth, and can be added in extending frame respectively in sequence, to test different weight, the bearing capacity of stepping motor.
[0004] When the test frock adds weight in extending frame, it needs to manually add weight, since extending frame moves back and forth, when needing to pressurize, it needs to manually follow extending frame to move, then adds weight into frame, so it is more troublesome. UTILITY MODEL CONTENTS
[0005] The utility model provides a kind of screw rod stepping motor test frock, solve the problem that it needs to manually follow extending frame to move to add in the extending frame of the side of screw rod stepping motor in prior art, so it is more time-consuming and labor-consuming.
[0006] The technical scheme of the utility model is as follows:
[0007] A kind of screw rod stepping motor test frock, including test table, material containing box, test block, stepping motor and screw rod, the test block is provided with several, the output end of the screw rod is fixedly connected with the stepping motor, the material containing box is provided with two, two the material containing box is connected by screw thread in the two sides of the screw rod respectively, two through grooves are set up on the test table, still include: mounting plate, moving assembly, blanking frame and push material component, the mounting plate is provided with two, two The mounting plate is fixedly installed on the test table, the stepping motor is installed on one of the mounting plate, and the screw rod is rotatably installed between two mounting plates, the moving assembly is arranged in the through slot, the blanking frame is provided with two, two The blanking frame is arranged on the moving assembly, the push material component is provided with two, two The push material component is arranged in two blanking frames, and several test blocks are arranged in the blanking frame.
[0008] Further, the mobile assembly comprises a drive screw, a motor one, a slide rod and a connecting frame, the drive screw is rotatably installed in one of the through grooves, the motor one is installed on the side of the test table, and the output end of the motor one is fixedly connected with the side of the drive screw, the slide rod is fixedly installed in the other through groove, one end of the connecting frame is threadedly connected with the drive screw, the other end of the connecting frame is slidably installed on the slide rod, and the two discharge frames are fixedly installed on the connecting frame.
[0009] Further, the pushing assembly comprises a cylinder one, a pushing frame, a cylinder two and a pushing plate, the cylinder one is installed on the side of the discharge frame, the pushing frame is fixedly connected with the output end of the cylinder one, and the pushing frame is arranged in the discharge frame, the cylinder two is installed on the side of the discharge frame, the pushing plate is fixedly connected with the output end of the cylinder two, and the pushing plate is slidably installed in the discharge frame.
[0010] Further, the blocking assembly further comprises a supporting cover, a moving screw, a moving block, a motor two, a connecting rod and a blocking plate, the supporting cover is fixedly installed on the side of the discharge frame, the moving screw is rotatably installed in the supporting cover, the moving block is threadedly connected with the moving screw, the motor two is installed on the supporting cover, and the output end of the motor two is fixedly connected with the top end of the moving screw, the connecting rod is fixedly installed on the side of the moving block, and the blocking plate is fixedly installed on the side of the connecting rod.
[0011] Further, the side of the discharge frame is provided with a discharging groove, and the width of the discharging groove is consistent with the width of the test block and the blocking plate.
[0012] Further, the discharging groove of the discharge frame is fixedly provided with an arc-shaped plate, and the other end of the arc-shaped plate is located above the material containing box.
[0013] Further, the two sides of the connecting frame are detachably provided with positioning rods, and the other ends of the two positioning rods are respectively in contact with the two sides of the material containing box.
[0014] The working principle and beneficial effects of the utility model are as follows:
[0015] 1. In the utility model, when testing, the discharge frame is moved forward and backward along with the material containing box through the mobile assembly, when the test block needs to be added, the test block is pushed into the material containing box through the discharging assembly, so that the weight in the material containing box gradually increases, the bearing capacity of the lead screw stepper motor is tested, and when the test block does not need to be added, the discharging groove is blocked through the blocking assembly.
[0016] 2. The utility model discloses in the movement, through the positioning rod can with the connecting frame and the material containing box synchronous movement to make the blanking frame can be located the material containing box's top in the movement, facilitate the blanking can push the test block into the material containing box, and in the blanking, can push to the arc plate place, make it slide into the material containing box;
[0017] Summarized above, the test tooling through the mutual cooperation between mounting panel, moving assembly, blanking frame and push material subassembly, can in the test test block join into the material containing box at any time to increase the bearing force of screw stepper motor, relative to prior art, need not manual follow the material containing box's movement and join test block. BRIEF DESCRIPTION OF DRAWINGS
[0018] The utility model will be further explained in detail in combination with the specific embodiment and the drawing.
[0019] Figure 1 It is the whole structure schematic view of the utility model;
[0020] Figure 2 It is the structure schematic view of test bench and moving assembly cooperation of the utility model;
[0021] Figure 3 It is the structure schematic view of the utility model blanking frame's partial section, test block and push material subassembly cooperation of the decomposition;
[0022] Figure 4 It is the structure schematic view of the utility model material blocking subassembly.
[0023] In the drawing: 1, test bench, 2, material containing box, 3, test block, 4, stepper motor, 5, screw, 6, mounting panel, 7, blanking frame, 8, arc plate, 9, positioning rod, 101, drive screw, 102, motor one, 103, slide rod, 104, connecting frame, 201, cylinder one, 202, push material frame, 203, cylinder two, 204, push material board, 301, support cover, 302, moving screw, 303, moving block, 304, motor two, 305, connecting rod, 306, material blocking board. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor are involved in the protection scope of the utility model.
[0025] As Figures 1-4As shown, the embodiment provides a lead screw stepping motor test tool, which comprises a test table 1, a material containing box 2, a test block 3, a stepping motor 4 and a lead screw 5, the test block 3 is provided with a plurality of, the lead screw 5 is fixedly connected with the output end of the stepping motor 4, the material containing box 2 is provided with two, the two material containing boxes 2 are threadedly connected on the two sides of the lead screw 5 respectively, two through grooves are formed in the test table 1, further comprising a mounting plate 6, a moving assembly, a discharging frame 7 and a material pushing assembly, the mounting plate 6 is provided with two, the two mounting plates 6 are fixedly installed on the test table 1, the stepping motor 4 is installed on one of the mounting plates 6, and the lead screw 5 is rotatably installed between the two mounting plates 6, the moving assembly is arranged in the through groove, the discharging frame 7 is provided with two, the two discharging frames 7 are arranged on the moving assembly, the material pushing assembly is provided with two, the two material pushing assemblies are arranged in the two discharging frames 7 respectively, and a plurality of test blocks 3 are arranged in the discharging frame 7.
[0026] A discharging groove is formed in the side of the discharging frame 7, the width of the discharging groove is consistent with the width of the test block 3 and the material blocking plate 306, when the test block 3 is pushed out through the discharging groove, the test block 3 can be pushed out one by one due to the consistent width, and multiple test blocks 3 are not easily pushed out when the discharging groove is too wide, and an arc-shaped plate 8 is fixedly installed at the discharging groove of the discharging frame 7, and the other end of the arc-shaped plate 8 is located above the material containing box 2, after the test block 3 is pushed out, the test block 3 can be pushed into the arc-shaped plate 8 and then slid into the material containing box 2, so that the test block 3 will not be damaged due to the high height after falling from the discharging frame 7 and falling into the material containing box 2.
[0027] The two sides of the connecting frame 104 are detachably installed with a positioning rod 9, and the other ends of the two positioning rods 9 respectively contact the two sides of the material containing box 2, when moving, the material containing box 2 is located between the two positioning rods 9, so that the material containing box 2 and the discharging frame 7 can move simultaneously when moving, avoiding that the material containing box 2 and the discharging frame 7 are not at the same height and are misaligned when the speed is uneven, so that the test block 3 is difficult to push into the material containing box 2, and the positioning rod 9 can ensure that the material containing box 2 and the discharging frame 7 move synchronously.
[0028] In the embodiment, referring to Figure 2 , the moving assembly comprises a driving screw 101, a motor one 102, a sliding rod 103 and a connecting frame 104, the driving screw 101 is rotatably installed in one of the through grooves, the motor one 102 is installed on the side of the test table 1, and the output end of the motor one 102 is fixedly connected with the side of the driving screw 101, the sliding rod 103 is fixedly installed in the other through groove, one end of the connecting frame 104 is threadedly connected with the driving screw 101, the other end of the connecting frame 104 is slidably installed on the sliding rod 103, and the two discharging frames 7 are fixedly installed on the connecting frame 104.
[0029] In the embodiment, referring to Figure 3The pushing assembly comprises a first air cylinder 201, a pushing frame 202, a second air cylinder 203 and a pushing plate 204. The first air cylinder 201 is installed on the side of the discharging frame 7. The pushing frame 202 is fixedly connected with the output end of the first air cylinder 201 and arranged in the discharging frame 7. The second air cylinder 203 is installed on the side of the discharging frame 7. The pushing plate 204 is fixedly connected with the output end of the second air cylinder 203 and slidably arranged in the discharging frame 7.
[0030] In the embodiment, the weight of the test block 3 is known, and the weight to be added can be calculated according to the weight of the test block 3 falling. Figure 4 The pushing assembly comprises a first air cylinder 201, a pushing frame 202, a second air cylinder 203 and a pushing plate 204. The first air cylinder 201 is installed on the side of the discharging frame 7. The pushing frame 202 is fixedly connected with the output end of the first air cylinder 201 and arranged in the discharging frame 7. The second air cylinder 203 is installed on the side of the discharging frame 7. The pushing plate 204 is fixedly connected with the output end of the second air cylinder 203 and slidably arranged in the discharging frame 7.
[0031] In the embodiment, when the lead screw 5 and the stepping motor 4 are tested, the stepping motor 4 and the first motor 102 are started first, so that the lead screw 5 rotates on the mounting plate 6, thereby driving the material containing box 2 to move. Meanwhile, the output end of the first motor 102 drives the driving screw 101 to rotate, thereby driving the connecting frame 104 to move upwards along the driving screw 101. At this time, the material containing box 2 and the discharging frame 7 move simultaneously. When the weight needs to be increased, the first air cylinder 201 is started, which pushes the pushing frame 202 to move forward, thereby pushing the rear ends of the test blocks 3 to move forward one by one, so that the test blocks 3 arranged in line slide onto the arc-shaped plate 8 through the discharging groove and then fall into the material containing box 2 to increase the weight. After the test blocks 3 arranged in line at the same horizontal position of the discharging groove are all fallen, the second air cylinder 203 is started, which pushes the pushing plate 204 to move forward, thereby pushing the test blocks 3 arranged in line to move to the discharging groove. Then, the pushing is performed again. If the pushing is not needed, the second motor 304 is started, which drives the moving screw 302 to rotate in the supporting cover 301, thereby driving the connecting rod 305 and the blocking plate 306 to move in the moving screw 302. The blocking plate 306 is moved to the discharging groove, thereby preventing the test blocks 3 from sliding out when moving.
[0032] It should be noted that the weight of the test block 3 is known, and the weight to be added can be calculated according to the weight of the test block 3 falling.
[0033] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A lead screw stepping motor test tool, comprising a test table (1), a material containing box (2), a test block (3), a stepping motor (4) and a lead screw (5), wherein the test block (3) is provided with several, the lead screw (5) is fixedly connected with the output end of the stepping motor (4), and the material containing box (2) is provided with two, and the two material containing boxes (2) are respectively screwed on the two sides of the lead screw (5), characterized in that, Two through grooves are formed in the test table (1), and the test table (1) further comprises mounting plates (6), a moving assembly, blanking frames (7) and a pushing assembly, the mounting plates (6) are provided in two, the mounting plates (6) are fixedly installed on the test table (1), the stepping motor (4) is installed on one of the mounting plates (6), and the lead screw (5) is rotatably installed between the mounting plates (6), the moving assembly is arranged in the through groove, the blanking frames (7) are provided in two, the blanking frames (7) are arranged on the moving assembly, the pushing assembly is provided in two, the pushing assembly is arranged in the blanking frames (7), and the test blocks (3) are arranged in the blanking frames (7).
2. The lead screw stepper motor test fixture of claim 1, wherein, The moving assembly comprises a drive screw (101), a motor one (102), a slide rod (103) and a connecting frame (104), the drive screw (101) is rotatably installed in one of the through grooves, the motor one (102) is installed on the side of the test table (1), the output end of the motor one (102) is fixedly connected with the side of the drive screw (101), the slide rod (103) is fixedly installed in the other through groove, one end of the connecting frame (104) is threadedly connected with the drive screw (101), the other end of the connecting frame (104) is slidably installed on the slide rod (103), and the blanking frames (7) are fixedly installed on the connecting frame (104).
3. The lead screw stepper motor test fixture of claim 2, wherein, The pushing assembly comprises a cylinder one (201), a pushing frame (202), a cylinder two (203) and a pushing plate (204), the cylinder one (201) is installed on the side of the blanking frame (7), the pushing frame (202) is fixedly connected with the output end of the cylinder one (201), the pushing frame (202) is arranged in the blanking frame (7), the cylinder two (203) is installed on the side of the blanking frame (7), the pushing plate (204) is fixedly connected with the output end of the cylinder two (203), and the pushing plate (204) is slidably installed in the blanking frame (7).
4. The lead screw stepper motor test fixture of claim 3, wherein, The pushing assembly comprises a cylinder one (201), a pushing frame (202), a cylinder two (203) and a pushing plate (204), the cylinder one (201) is installed on the side of the blanking frame (7), the pushing frame (202) is fixedly connected with the output end of the cylinder one (201), the pushing frame (202) is arranged in the blanking frame (7), the cylinder two (203) is installed on the side of the blanking frame (7), the pushing plate (204) is fixedly connected with the output end of the cylinder two (203), and the pushing plate (204) is slidably installed in the blanking frame (7). The test table (1) further comprises a material blocking assembly, the material blocking assembly comprises a supporting cover (301), a moving screw (302), a moving block (303), a motor two (304), a connecting rod (305) and a material blocking plate (306), the supporting cover (301) is fixedly installed on the side of the blanking frame (7), the moving screw (302) is rotatably installed in the supporting cover (301), the moving block (303) is threadedly connected with the moving screw (302), the motor two (304) is installed on the supporting cover (301), the output end of the motor two (304) is fixedly connected with the top end of the moving screw (302), the connecting rod (305) is fixedly installed on the side of the moving block (303), and the material blocking plate (306) is fixedly installed on the side of the connecting rod (305).
5. The lead screw stepper motor test fixture of claim 4, wherein, The side of the blanking frame (7) is provided with a blanking groove, and the width of the blanking groove is consistent with the width of the test block (3) and the material blocking plate (306).
6. The lead screw stepper motor test fixture of claim 5, wherein, An arc-shaped plate (8) is fixedly installed at the blanking groove of the blanking frame (7), and the other end of the arc-shaped plate (8) is located above the material containing box (2).
7. The lead screw stepper motor test fixture of claim 6, wherein, The two sides of the connecting frame (104) are detachably provided with positioning rods (9), and the other ends of the two positioning rods (9) are respectively in contact with the two sides of the material containing box (2).
Citation Information
Patent Citations
Linear stepping motor screw rod thrust and durability test tool
CN221549896U