A rack hardness detection device for rack processing

Abstract

The present invention discloses a rack hardness detection device for rack processing, belonging to the technical field of rack hardness detection, including a workbench, a support bar, a pushing mechanism, a tooth limit mechanism and a bar adjusting mechanism. The lower surface of the workbench is provided with support legs, and the upper surface of the workbench is fixedly connected with a mounting frame at the rear position. The lower surface of the upper end of the mounting frame is provided with a cylinder, and the lower end of the cylinder is connected with a lower pressing plate. The lower surface of the lower pressing plate is distributed with tapered blocks for hardness detection of the rack. The upper surface of the workbench is fixedly connected with a mounting strip at the front position, and follower rods are evenly arranged on the mounting strip. This invention can stably clamp the rack through one-step operation, avoiding the previous cumbersome operations. In addition, through simple adjustment, racks of different models can be clamped on this hardness detection device, so that this hardness detection device can detect racks of different models.

Description

Technical Field

[0001] The present invention relates to the technical field of rack machining hardness detection, and specifically provides a rack hardness detection device for rack machining. Background Art

[0002] Racks are commonly used transmission components in modern machinery and have a wide range of applications in various mechanical equipment such as machine tools, automobiles, ships, aerospace, etc. Their quality and performance directly affect the transmission accuracy, efficiency, and reliability of mechanical systems. Therefore, it is crucial to accurately detect various performance indicators of racks, and hardness is one of the key indicators to measure the quality of racks.

[0003] The rack hardness detection device for rack machining is a mechanical device that replaces manual detection of rack hardness, which solves the problems of low efficiency and low detection accuracy in manual rack detection.

[0004] When the existing rack hardness detection devices for rack machining are in use, there are still the following technical problems, such as:

[0005] 1. When the existing rack hardness detection devices for rack machining are in use, they cannot quickly clamp and fix the rack, thereby reducing the detection efficiency.

[0006] 2. When the existing rack hardness detection devices for rack machining are in use, they cannot be adjusted according to the rack model, resulting in certain limitations in rack detection.

[0007] Therefore, a rack hardness detection device for rack machining is needed to solve the above problems. Summary of the Invention

[0008] The purpose of the present invention is to provide a rack hardness detection device for rack machining to solve the problems in the above background art that the existing rack hardness detection devices for rack machining can quickly clamp the rack and can clamp racks of different models.

[0009] To achieve the above purpose, the present invention provides the following technical solutions:

[0010] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod has a round shank to contact with said linking rod.

[0011] Preferably, the mounting frame and the bar adjustment mechanism are coaxial, and the mounting frame is L-shaped.

[0012] Preferably, the bar adjustment mechanism includes a limit bar, a sliding groove and an adjusting screw. The sliding groove is arranged on the upper surface of the workbench, and the limit bar is slidably connected in the sliding groove. The limit bar is threaded with an adjusting screw, and one end of the adjusting screw is connected to one side of the sliding groove, and the other end of the adjusting screw is connected to the rear side of the workbench.

[0013] Preferably, the limiting strip is L-shaped, and the middle plane thereof is coplanar with the upper surface of the workbench.

[0014] Preferably, the axis of the adjusting screw is located on the axial plane of the mounting bracket.

[0015] Preferably, the pushing mechanism includes a limit frame, a toggle rod, a support block, a toggle block, a support tube, a support rod and a spring. The support block is fixedly connected to the upper surface of the workbench in front of the mounting bar, and a support tube is axially connected between the support block and the upper surface of the workbench, the open end of the support tube movably extends into one end of the support rod, and a spring is arranged between the support rod and the inner side of the support tube, the other end of the support rod is axially connected to the toggle rod, and the two ends of the toggle rod are movably passed through two limit frames respectively, the limit frame is fixedly connected to the upper surface of the workbench, toggle blocks are distributed at equal angles on the toggle rod, and the toggle block is contacted and connected with the other end of the follow-up rod in a one-to-one corresponding manner, and the other end of the follow-up rod is arranged as a smooth sphere to facilitate smooth relative sliding between it and the toggle block.

[0016] Preferably, the toggle block is in the shape of a right-angled triangular prism, and the hypotenuse of the toggle block is in contact and connected with the other end of the follower rod.

[0017] Preferably, the tooth limiting mechanism includes a slide groove, limiting teeth, a piston rod 1, a piston tube 1, a spring 2, a piston tube 2, a piston rod 2, a piston tube 3, a positioning strip, a slider, a limiting tooth plate, a piston rod 3, a piston chamber and a piston rod 4. The slide groove is arranged on the side of the support strip facing the mounting frame, and the slide groove is densely covered with limiting teeth. A slider is slidably connected in the slide groove, and an end of the piston rod 1 is coaxially connected to the outer side of the slider. The other end of the piston rod 1 is seamlessly slidably connected to the inner side of one end of the piston tube 1, and a spring 2 is arranged between the inner bottom end of the piston tube 1 and the other end of the piston rod 1. A piston tube 2 is arranged on the outer side of the piston tube 1 and is connected to the inner bottom end thereof. The upper end of the piston tube 2 is threadedly connected to the piston rod 2, and the lower end of the piston rod 2 slides seamlessly with the inner side of the piston tube 2 The piston rod 2 is connected, and the rod part and the disk part on the piston rod 2 are bearing-connected. The inner bottom end of the piston tube 2 is also connected with a piston tube 3, and the two ends of the piston tube 3 are seamlessly slidably connected with one end of the two piston rods 3 respectively. The other end of the piston rod 3 is axially connected to the side of the corresponding positioning strip. A piston cavity is arranged inside the slider, and the piston cavity is connected with the piston tube 1 through the piston rod 1. One end of the piston rod 4 is seamlessly slidably connected in the piston cavity, and the other end of the piston rod 4 can be movably passed through to the outside of the slider, and the other end of the piston rod 4 is coaxially connected with a limiting tooth plate, the limiting tooth plate is arranged toward the limiting teeth, and the limiting tooth plate and the limiting teeth do not contact in a natural state, so as to ensure that the slider can slide in the slide groove. In addition, the slide groove is a cross-shaped structure to prevent the slider from falling out of the slide groove.

[0018] Preferably, the piston rod 1 is provided with through holes with two ends penetrating therethrough, and the piston cavity is connected to the piston tube 1 through the through hole on the piston rod 1.

[0019] Preferably, the piston rod 4 is composed of a rod structure and a disc structure, and the rod structure and the slot hole on the slider through which the rod structure passes are prismatic structures that match each other.

[0020] Compared with the prior art, the invention has the following beneficial effects: the rack hardness testing device for rack processing can stably clamp the rack through one-step operation, avoiding the cumbersome operation in the past; in addition, racks of different models can be clamped on the hardness testing device through simple adjustment, so that the hardness testing device can test racks of different models:

[0021] 1. By pushing the toggle rod, the toggle block squeezes the follower rod, and then the support bar moves in the direction of the limit bar, and then the positioning bar is used to position the teeth on the rack by using the piston rod 1, piston tube 1, piston tube 3 and piston rod 3 on the tooth limit mechanism, so that the rack can be quickly fixed on the hardness testing equipment, thereby improving the efficiency of the test;

[0022] 2. By rotating the piston rod II, the content of the gas entering the piston tube III can be adjusted, and further, the telescopic amount of the two positioning bars in the same group can be adjusted, so that the two positioning bars in the same group can position the teeth on different types of racks.

[0023] 3. By rotating the adjusting screw rod, the position of the limiting bar can be adjusted so that the detection positions of different types of racks are all below the lower pressing plate, which is convenient for effectively detecting the rack when the lower pressing plate moves downward under the action of the air cylinder. Description of the Drawings

[0024] Figure 1 is the front view structural schematic diagram of the present invention;

[0025] Figure 2 is the longitudinal sectional view structural schematic diagram of the present invention;

[0026] Figure 3 is the Figure 2 magnified structural schematic diagram of point A in the present invention;

[0027] Figure 4 is the connection structural schematic diagram of the limiting tooth plate and the positioning bar of the present invention;

[0028] Figure 5 is the Figure 4 sectional view structural schematic diagram of the present invention;

[0029] Figure 6 is the partial transverse sectional view structural schematic diagram of the present invention;

[0030] Figure 7 is the Figure 6 magnified structural schematic diagram of point B in the present invention;

[0031] Figure 8 is the Figure 6 magnified structural schematic diagram of point C in the present invention;

[0032] Figure 9 is the rear view structural schematic diagram of the present invention.

[0033] In the figure: 1. Workbench; 2. Support leg; 3. Mounting frame; 4. Lower pressing plate; 5. Limiting bar; 6. Sliding groove; 7. Adjusting screw rod; 8. Mounting strip; 9. Limiting frame; 10. Poking rod; 11. Support block; 12. Air cylinder; 13. Poking block; 14. Support strip; 15. Follow-up rod; 16. Spring I; 17. Chute; 18. Limiting tooth; 19. Piston rod I; 20. Piston tube I; 21. Spring II; 22. Piston tube II; 23. Piston rod II; 24. Piston tube III; 25. Positioning bar; 26. Slide block; 27. Limiting tooth plate; 28. Piston rod III; 29. Piston cavity; 30. Piston rod IV; 31. Support tube; 32. Support rod; 33. Spring III. Detailed implementation manners

[0034] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0035] Please refer to Figures 1-9 , the present invention provides the following technical solutions:

[0036] Embodiment 1: To solve the problem that the process of fixing the rack in the conventional rack hardness detection equipment is relatively cumbersome, resulting in low efficiency, the following technical solutions are provided. Specifically,

[0037] A rack hardness detection device for rack processing includes a workbench 1, a support bar 14, a pushing mechanism, a tooth limit mechanism, and a bar adjusting mechanism. Support legs 2 are installed on the lower surface of the workbench 1, and a mounting frame 3 is fixedly connected to the rear position on the upper surface of the workbench 1. A cylinder 12 is installed on the lower surface of the upper end of the mounting frame 3, and a lower pressing plate 4 is connected to the lower end of the cylinder 12. Conical blocks are distributed on the lower surface of the lower pressing plate 4 for hardness detection of the rack. A mounting strip 8 is fixedly connected to the front position on the upper surface of the workbench 1, and follower rods 15 are evenly arranged on the mounting strip 8. The follower rods 15 movably penetrate through the mounting strip 8, and one end of all the follower rods 15 facing the mounting frame 3 is connected to the support bar 14. The other ends of all the follower rods 15 are in contact connection with the pushing mechanism, and a first spring 16 with both ends respectively connected to the mounting strip 8 and the support bar 14 is arranged on the outer side of each follower rod 15.

[0038] The driving mechanism includes a limit frame 9, a toggle rod 10, a support block 11, a toggle block 13, a support tube 31, a support rod 32, and a third spring 33. The support block 11 is fixedly connected to the upper surface of the workbench 1 in front of the mounting strip 8, and a support tube 31 is axially connected between the support block 11 and the upper surface of the workbench 1. One end of a support rod 32 movably extends into the open end of the support tube 31, and a third spring 33 is arranged between the support rod 32 and the inner side of the support tube 31. The other end of the support rod 32 is axially connected to the toggle rod 10, and both ends of the toggle rod 10 movably penetrate through two limit frames 9 respectively. The limit frames 9 are fixedly connected to the upper surface of the workbench 1. Toggle blocks 13 are evenly distributed on the toggle rod 10, and the toggle blocks 13 are in contact connection with the other ends of the follower rods 15 one by one. The other end of the follower rod 15 is set as a smooth sphere to facilitate its smooth relative sliding with the toggle block 13. When fixing the rack, only need to push the toggle rod 10, so that the toggle blocks 13 on the toggle rod 10 squeeze the follower rods 15, so that the follower rods 15 drive the support strip 14 to move synchronously. After that, through the tooth limit mechanism, not only can the teeth of the rack be quickly limited and fixed, but also the racks of different models can be limited and fixed.

[0039] Embodiment 2: To solve the problem that the conventional rack hardness detection device is not convenient to fix racks of different models, the following technical solution is provided. Specifically, a tooth limit mechanism is arranged on the support strip 14, and the tooth limit mechanism corresponds to the bar adjusting mechanism. The bar adjusting mechanism is arranged at a position on the upper surface of the workbench 1 close to the mounting frame 3.

[0040] The mounting frame 3 and the bar adjustment mechanism are coaxial, and the mounting frame 3 is L-shaped. The bar adjustment mechanism includes a limit bar 5, a sliding groove 6 and an adjusting screw 7. The sliding groove 6 is arranged on the upper surface of the workbench 1, and the limit bar 5 is slidably connected in the sliding groove 6. The limit bar 5 is threaded with an adjusting screw 7, and one end of the adjusting screw 7 is connected to one side of the sliding groove 6, and the other end of the adjusting screw 7 is passed through the rear side of the workbench 1. The limit bar 5 is L-shaped, and its middle plane is coplanar with the upper surface of the workbench 1. The axis of the adjusting screw 7 is on the axial plane of the mounting frame 3. The toggle block 13 is a right-angled triangular prism, and the hypotenuse of the toggle block 13 is in contact with the other end of the follower rod 15. The position of the limit bar 5 can be adjusted by rotating the adjusting screw 7 to ensure The rack is located below the lower pressure plate 4, so that the lower pressure plate 4 can effectively detect the hardness of the rack. The tooth limiting mechanism includes a slide groove 17, a limiting tooth 18, a piston rod 19, a piston tube 20, a spring 21, a piston tube 22, a piston rod 23, a piston tube 3 24, a positioning strip 25, a slider 26, a limiting tooth plate 27, a piston rod 3 28, a piston cavity 29 and a piston rod 4 30. The slide groove 17 is arranged on the side of the support strip 14 facing the mounting frame 3, and the slide groove 17 is densely covered with limiting teeth 18. A slider 26 is slidably connected in the slide groove 17, and the outer side surface of the slider 26 is coaxially connected to one end of the piston rod 19. The other end of the piston rod 19 is seamlessly slidably connected to the inner side of one end of the piston tube 20, and the inner bottom of the piston tube 20 A spring 21 is provided between the end and the other end of the piston rod 19, a piston tube 22 is provided on the outer side of the piston tube 20 and is connected with the inner bottom end thereof, and the upper end of the piston tube 22 is threadedly connected with a piston rod 23, the lower end of the piston rod 23 is seamlessly slidably connected with the inner side of the piston tube 22, and the rod part and the disc part on the piston rod 23 are bearing-connected, a piston tube 3 24 is also connected through the inner bottom end of the piston tube 22, and the two ends of the piston tube 3 24 are seamlessly slidably connected with one end of two piston rods 3 28 respectively, the other end of the piston rod 3 28 is axially connected to the side of the corresponding positioning strip 25, a piston cavity 29 is provided inside the slider 26, and the piston cavity 29 is connected with the piston tube 20 through the piston rod 19, and the piston cavity 29 is One end of the piston rod 430 is seamlessly slidably connected, and the other end of the piston rod 430 is movable and penetrates to the outside of the slider 26, and the other end of the piston rod 430 is coaxially connected to the limit tooth plate 27, the limit tooth plate 27 is set towards the limit tooth 18, and the limit tooth plate 27 and the limit tooth 18 are not in contact in a natural state, ensuring that the slider 26 can slide in the slide groove 17. In addition, the slide groove 17 is a cross-shaped structure to prevent the slider 26 from escaping from the slide groove 17. In the process of the support bar 14 moving with the follower rod 15, the positioning bar 25 will gradually approach the gap between the teeth on the rack. When the positioning bar 25 is against the gap between the teeth, the support bar 14 continues to move forward, so that the two positioning bars 25 in the same group can be unfolded, thereby positioning the rack.By rotating the second piston rod 23, the relative position between the second piston rod 23 and the second piston tube 22 can be adjusted, so that the content of the gas entering the third piston tube 24 can be adjusted. Furthermore, the degree of expansion of the positioning strip 25 can be adjusted, thereby enabling the positioning of racks of different models. In addition, the gas in the first piston tube 20 will also enter the piston chamber 29, so that the limiting tooth plate 27 can be engaged with the corresponding limiting teeth 18, thereby fixing the position of the slider 26. When the position of the slider 26 is not fixed, by sliding the slider 26 in the chute 17, it is convenient to automatically move the positioning strip 25 according to the pitch of the teeth on the rack, which helps to fix the rack. The first piston rod 19 is provided with a through hole that penetrates both ends, and the piston chamber 29 is connected to the first piston tube 20 through the through hole on the first piston rod 19. The fourth piston rod 30 is composed of a rod structure and a disc structure, and the rod structure and the slot on the slider 26 through which the rod structure penetrates are prism-shaped structures that match each other.

[0041] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0042] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rack hardness testing device for rack processing, comprising a workbench (1), a support bar (14), a pushing mechanism, a tooth limit mechanism and a bar adjustment mechanism, characterized in that: The lower surface of the workbench (1) is installed with a supporting leg (2), and the upper surface of the workbench (1) is fixedly connected to a mounting frame (3) at a rear position, the lower surface of the upper end of the mounting frame (3) is installed with a cylinder (12), and the lower end of the cylinder (12) is connected to a lower pressure plate (4), and the lower surface of the lower pressure plate (4) is distributed with a conical block for performing hardness testing on the rack, the upper surface of the workbench (1) is fixedly connected to a mounting bar (8) at a front position, and follower rods (15) are evenly arranged on the mounting bar (8), the follower rods (15) are movably arranged to penetrate the mounting bar (8), and one end of all the follower rods (15) facing the mounting frame (3) is connected to the supporting bar (14), and the other ends of all the follower rods (15) are in contact with and connected to On the pushing mechanism, each follower rod (15) is provided with a spring 1 (16) whose two ends are respectively connected to the mounting bar (8) and the support bar (14), and the support bar (14) is provided with a tooth limit mechanism, and the tooth limit mechanism corresponds to the bar adjustment mechanism, and the tooth limit mechanism comprises a slide groove (17), a limit tooth (18), a piston rod 1 (19), a piston tube 1 (20), a spring 2 (21), a piston tube 2 (22), a piston rod 2 (23), a piston tube 3 (24), a positioning bar (25), a slider (26), a limit tooth plate (27), a piston rod 3 (28), a piston cavity (29) and a piston rod 4 (30), and the slide groove (17) is provided on one side of the support bar (14) toward the mounting frame (3). The slide groove (17) is provided with a slider (26) in sliding connection with the slide groove (17), and the outer side surface of the slider (26) is coaxially connected with one end of a piston rod (19), and the other end of the piston rod (19) is seamlessly slidably connected to the inner side of one end of a piston tube (20), and a spring (21) is provided between the inner bottom end of the piston tube (20) and the other end of the piston rod (19), and a piston tube (22) (22) is provided on the outer side of the piston tube (20) and is connected with the inner bottom end thereof, and the upper end of the piston tube (22) is threadedly connected with a piston rod (23), and the lower end of the piston rod (23) is seamlessly slidably connected with the inner side of the piston tube (22), and the piston rod (23) is provided with a spring (21) on the inner bottom end of the piston tube (20). The rod part and the disc part are connected by bearings, the inner bottom end of the piston tube 2 (22) is also connected with a piston tube 3 (24), and the two ends of the piston tube 3 (24) are seamlessly slidably connected with one end of two piston rods 3 (28), respectively, and the other end of the piston rod 3 (28) is axially connected to the side of the corresponding positioning strip (25), the slider (26) is provided with a piston cavity (29), and the piston cavity (29) is connected with the piston tube 1 (20) through the piston rod 1 (19), one end of the piston rod 4 (30) is seamlessly slidably connected in the piston cavity (29), and the other end of the piston rod 4 (30) is movably connected to the outside of the slider (26), and the other end of the piston rod 4 (30) is coaxially connected to the limited tooth plate (27),The limit tooth plate (27) is arranged toward the limit tooth (18), and the limit tooth plate (27) and the limit tooth (18) do not contact each other in a natural state, so as to ensure that the slider (26) can slide in the slide groove (17). In addition, the slide groove (17) is a cross-shaped structure to prevent the slider (26) from escaping from the slide groove (17). The bar adjustment mechanism is arranged on the upper surface of the workbench (1) near the mounting frame (3). The bar adjustment mechanism comprises a limit bar (5), a sliding groove (6) and an adjusting screw (7). The sliding groove (6) is arranged on the upper surface of the workbench (1), and the limit bar (5) is slidably connected in the sliding groove (6). The limit bar (5) is threaded with an adjusting screw (7), and one end bearing of the adjusting screw (7) is connected to one side of the sliding groove (6), and the other end bearing of the adjusting screw (7) penetrates the rear side of the workbench (1).

2. The rack hardness testing device for rack processing according to claim 1 is characterized in that: The mounting frame (3) and the bar adjustment mechanism are coaxial, and the mounting frame (3) is L-shaped.

3. The rack hardness testing device for rack processing according to claim 2 is characterized in that: The limiting strip (5) is L-shaped, and its middle plane is coplanar with the upper surface of the workbench (1).

4. The rack hardness testing device for rack processing according to claim 3 is characterized in that: The axis of the adjusting screw rod (7) is located on the axial surface of the mounting frame (3).

5. The rack hardness testing device for rack processing according to claim 4 is characterized in that: The pushing mechanism comprises a limit frame (9), a toggle rod (10), a support block (11), a toggle block (13), a support tube (31), a support rod (32) and a spring (33); the support block (11) is fixedly connected to the upper surface of the workbench (1) in front of the mounting bar (8); a support tube (31) is axially connected between the support block (11) and the upper surface of the workbench (1); an open end of the support tube (31) is movably extended into one end of the support rod (32); and a spring (33) is provided between the support rod (32) and the inner side of the support tube (31). A spring three (33) is arranged, the other end of the support rod (32) is axially connected to the toggle rod (10), and the two ends of the toggle rod (10) are respectively movably penetrated through two limit frames (9), the limit frames (9) are fixedly connected to the upper surface of the workbench (1), the toggle rod (10) is provided with toggle blocks (13) distributed at equal angles, and the toggle blocks (13) are contact-connected with the other end of the follower rod (15) in a one-to-one corresponding manner, and the other end of the follower rod (15) is arranged as a smooth sphere to facilitate smooth relative sliding between it and the toggle block (13).

6. The rack hardness testing device for rack processing according to claim 5, characterized in that: The toggle block (13) is in the shape of a right-angled triangular prism, and the hypotenuse of the toggle block (13) is in contact with and connected to the other end of the follower rod (15).

7. The rack hardness testing device for rack processing according to claim 6, characterized in that: The piston rod 1 (19) is provided with through holes at both ends, and the piston chamber (29) is connected to the piston tube 1 (20) through the through hole on the piston rod 1 (19).

8. The rack hardness testing device for rack processing according to claim 7, characterized in that: The piston rod four (30) is composed of a rod structure and a disc structure, and the rod structure and the slot hole on the slider (26) through which the rod structure passes are mutually matching prismatic structures.

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