Screw height detection mechanism

Abstract

The utility model discloses a screw height detection mechanism, which relates to the field of quality detection and comprises a fixing frame, a fixing plate fixedly mounted at one end of the fixing frame, a second sliding rail fixedly mounted at one end of the fixing plate, a first mounting plate arranged on the fixing plate, a second mounting plate mounted on the first mounting plate and a screw gun mounted on the second mounting plate. A third mounting plate is mounted on the side face of the first mounting plate, a second sliding block is fixedly mounted on the upper bottom side of the third mounting plate, a first sliding rail is slidably mounted in the second sliding block, a second fixing seat is fixedly mounted on the first sliding rail, a fourth sliding rail is fixedly mounted on the first sliding rail, a fourth sliding block is slidably mounted on the fourth sliding rail, and a detection head is mounted on the fourth sliding rail. A microswitch is arranged on each first sliding rail, a fixing block is fixedly installed between the first sliding rails, an air cylinder is installed on the third installation plate, and a telescopic rod of the air cylinder is connected with the fixing block. According to the utility model, a product is directly detected through a machine, so that the detection standard is unified, and the influence of human factors is eliminated.

Description

Technical Field

[0001] The utility model relates to the field of quality detection, in particular to a screw height detection mechanism. Background Art

[0002] Currently, in the product assembly process, many products use screws to assemble products. When tightening the screws, there are cases where they are not tightened properly. Usually, the tightening condition of the screws is checked manually, but manual inspection is prone to omissions and misjudgments. Utility Model Content

[0003] The purpose of the present utility model is to provide a screw height detection mechanism to solve the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention provides the following technical solutions:

[0005] A screw height detection mechanism includes a fixing frame, one end of the fixing frame is fixedly mounted with a fixing plate, one end of the fixing plate is fixedly mounted with a second slide rail, a first mounting plate is provided on the fixing plate and is on the same side of the second slide rail, a second mounting plate is installed on the first mounting plate on the side away from the first slide rail, a screw gun is installed on the second mounting plate, a third mounting plate and a connecting plate are provided on the side of the fixing frame away from the second slide rail, the third mounting plate is mounted on the side of the first mounting plate through the connecting plate, a second slide rail is fixedly mounted on the bottom side of the third mounting plate, and a first slide rail is provided on the third mounting plate The first slide rail extends into the second slider and is slidably connected to the second slider, the second fixed seat is fixedly installed on the first slide rail, the fourth slide rail is fixedly installed on the first slide rail and on the bottom side of the second fixed seat, the fourth slide rail is slidably installed on the fourth slide rail, and the fourth slide rail is installed with a detection head, and a micro switch is provided on the side of the first slide rail away from the detection head, a roller is installed on one side of the micro switch and is rollingly connected to one side of the detection head, a fixed block is fixedly installed between the first slide rails, and a cylinder is installed on the third mounting plate, and the telescopic rod of the cylinder is connected to the fixed block.

[0006] As a further solution of the present invention: the first fixed seat is fixedly installed on both sides of the second mounting plate, the third slide rail is fixedly installed on the second mounting plate and is arranged on the bottom side of the first fixed seat, the third slider is slidably installed on the third slide rail, and the third slider is connected to the side of the screw gun.

[0007] As a further solution of the present invention: a first sliding rod is fixedly installed on the top of the third sliding block, the first sliding rod passes through the first fixing seat and extends to the top of the first fixing seat and is slidably connected to the first fixing seat, and a first spring is sleeved on the first sliding rod.

[0008] As a further solution of the present invention: a first sliding block is fixedly mounted on one side of the first mounting plate, and the first sliding block is inserted into the second slide rail and is slidably connected to the second slide rail.

[0009] As a further solution of the present invention: a second slide bar is fixedly installed on the top of the detection head, the second slide bar passes through the second fixing seat and is slidably connected to the second fixing seat, and a second spring is sleeved on the second slide bar.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0011] 1. After tightening a screw, the fixing frame moves to the top of the screw, and the cylinder pushes out the detection head. When the detection head contacts the screw, it triggers the micro switch and records the height of the screw at this time. The system automatically determines whether the current screw height is qualified. The addition of this mechanism eliminates the manual inspection step. The machine can directly detect the product, unify the inspection standards, and eliminate the influence of human factors. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional schematic diagram of the present utility model.

[0013] Figure 2 This is a three-dimensional schematic diagram from another perspective of the present invention.

[0014] Figure 3 This is a schematic diagram of the fixed plate structure of the present utility model.

[0015] Figure 4 This is a schematic structural diagram of the third mounting plate of the present utility model.

[0016] Figure 5 This is a schematic structural diagram of the second mounting plate of the present invention.

[0017] Figure 6 This is a schematic diagram of the first slide rail structure of the present utility model.

[0018] Notes on the accompanying drawings: 1. micro switch; 2. first slide rail; 3. cylinder; 4. screw gun; 5. detection head; 6. fixing bracket; 7. fixing plate; 8. second slide rail; 9. first mounting plate; 10. second mounting plate; 11. first slider; 12. connecting plate; 13. third mounting plate; 14. second slider; 15. first fixed seat; 16. third slide rail; 17. third slider; 18. first slide bar; 19. first spring; 20. fourth slide rail; 21. fourth slider; 22. second slide bar; 23. second spring; 24. roller; 25. fixing block; 26. second fixed seat. DETAILED DESCRIPTION

[0019] The following embodiments will be described in detail with reference to the accompanying drawings. Similar or identical parts are denoted by the same reference numerals in the drawings and descriptions. In actual applications, the shape, thickness, or height of each component may be enlarged or reduced. The embodiments listed in the present invention are intended only to illustrate the present invention and are not intended to limit its scope. Any obvious modifications or variations to the present invention do not depart from the spirit and scope of the present invention.

[0020] Example

[0021] See also Figures 1 to 6 In an embodiment of the present utility model, a screw height detection mechanism includes a fixing frame 6, a fixing plate 7 is fixedly installed at one end of the fixing frame 6, a second slide rail 8 is fixedly installed at one end of the fixing plate 7, a first mounting plate 9 is provided on the fixing plate 7 and is on the same side as the second slide rail 8, a first slider 11 is fixedly installed on one side of the first mounting plate 9, the first slider 11 is stuck in the second slide rail 8 and is slidably connected with the second slide rail 8, and the first slider 11 can be controlled to slide on the second slide rail 8 by pushing the first mounting plate 9. A second mounting plate 10 is installed on the side of the first mounting plate 9 away from the first slider 11, a screw gun 4 is installed on the second mounting plate 10, first fixing seats 15 are fixedly installed on both sides of the second mounting plate 10, and a third slide rail 16 is fixedly installed on the second mounting plate 10 and is provided On the bottom side of the first fixing seat 15, a third slider 17 is slidably installed on the third slide rail 16, and the third slider 17 is connected to the side of the screw gun 4. A first slide rod 18 is fixedly installed on the top of the third slider 17. The first slide rod 18 passes through the first fixing seat 15 and extends to the top of the first fixing seat 15 and is slidably connected to the first fixing seat 15. A first spring 19 is sleeved on the first slide rod 18, and the screw can be locked by the screw gun 4. When the screw gun 4 locks the screw, the screw gun 4 will deflect upward. At this time, the third slider 17 will be driven to slide on the third slide rail 16. The sliding of the third slider 17 will drive the first slide rod 18 to slide in the first fixing seat 15, and at the same time, the first spring 19 will be compressed to reduce the offset displacement of the screw gun 4, so that the screw gun 4 can remain stable.

[0022] See also Figures 1 to 6, a third mounting plate 13 and a connecting plate 12 are provided on the side of the fixing frame 6 away from the second slide rail 8, the third mounting plate 13 is installed on the side of the first mounting plate 9 through the connecting plate 12, and a second slider 14 is fixedly installed on the bottom side of the third mounting plate 13, and a first slide rail 2 is provided on the third mounting plate 13, the first slide rail 2 extends into the second slider 14 and is slidably connected with the second slider 14, and a second fixed seat 26 is fixedly installed on the first slide rail 2, and a fourth slide rail 20 is fixedly installed on the first slide rail 2 and is at the bottom side of the second fixed seat 26, and a fourth slider 21 is slidably installed on the fourth slide rail 20, and a detection head 5 is installed on the fourth slider 21, and a second slide rod 22 is fixedly installed on the top of the detection head 5, the second slide rod 22 passes through the second fixed seat 26 and is slidably connected with the second fixed seat 26, and a second spring 23 is sleeved on the second slide rod 22, and a micro switch 1 is provided on the side of the first slide rail 2 away from the detection head 5, and a roller 24 is installed on one side of the micro switch 1 and It is rollingly connected to one side of the detection head 5, and a fixed block 25 is fixedly installed between the first slide rail 2, and the third mounting plate 13 is installed with a cylinder 3. The telescopic rod of the cylinder 3 is connected to the fixed block 25, and the cylinder 3 is started. The telescopic rod of the cylinder 3 is extended and retracted to drive the fixed block 25 to move. Because the fixed block 25 is fixedly connected to the first slide rail 2, the fixed block 25 drives the first slide rail 2 to slide on the second slider 14, and the detection head 5 is driven to move by sliding on the first slide rail 2. The roller 24 rolls one end of the distance on the detection head 5. When the detection head 5 contacts the screw, the microswitch 1 is triggered to record the height of the screw at this time. The system automatically determines whether the current screw height is qualified. When the detection head 5 contacts the screw, it will drive the detection head 5 to deflect upward. At this time, it drives the fourth slider 21 to slide on the fourth slide rail 20, and the second slide bar 22 slides on the second fixed seat 26 and compresses the second spring 23 at the same time. The detection head 5 can be buffered by the second spring 23.

[0023] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0024] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A screw height detection mechanism, comprising a fixing frame (6), wherein a fixing plate (7) is fixedly mounted on one end of the fixing frame (6), characterized in that: A second slide rail (8) is fixedly mounted on one end of the fixing plate (7), a first mounting plate (9) is provided on the fixing plate (7) and is on the same side of the second slide rail (8), a second mounting plate (10) is installed on the first mounting plate (9) on the side away from the first slider (11), a screw gun (4) is installed on the second mounting plate (10), a third mounting plate (13) and a connecting plate (12) are provided on the side of the fixing frame (6) away from the second slide rail (8), the third mounting plate (13) is mounted on the side of the first mounting plate (9) through the connecting plate (12), a second slider (14) is fixedly mounted on the bottom side of the third mounting plate (13), a first slide rail (2) is provided on the third mounting plate (13), and the first slide rail (2) extends into the second slider (14) The first slide rail (2) is fixedly mounted with a second fixed seat (26), the first slide rail (2) is fixedly mounted with a fourth slide rail (20) and is on the bottom side of the second fixed seat (26), the fourth slide rail (20) is slidably mounted with a fourth slide block (21), the fourth slide block (21) is mounted with a detection head (5), a micro switch (1) is provided on the side of the first slide rail (2) away from the detection head (5), a roller (24) is mounted on one side of the micro switch (1) and is rollingly connected to one side of the detection head (5), a fixed block (25) is fixedly mounted between the first slide rails (2), a cylinder (3) is mounted on the third mounting plate (13), and the telescopic rod of the cylinder (3) is connected to the fixed block (25).

2. The screw height detection mechanism according to claim 1, characterized in that: The first fixing seat (15) is fixedly installed on both sides of the second mounting plate (10), the third slide rail (16) is fixedly installed on the second mounting plate (10) and is arranged on the bottom side of the first fixing seat (15), the third slider (17) is slidably installed on the third slide rail (16), and the third slider (17) is connected to the side of the screw gun (4).

3. The screw height detection mechanism according to claim 2, characterized in that: A first slide bar (18) is fixedly mounted on the top of the third slider (17). The first slide bar (18) passes through the first fixed seat (15) and extends to the top of the first fixed seat (15) and is slidably connected to the first fixed seat (15). A first spring (19) is sleeved on the first slide bar (18).

4. The screw height detection mechanism according to claim 1, characterized in that: A first sliding block (11) is fixedly mounted on one side of the first mounting plate (9), and the first sliding block (11) is inserted into the second slide rail (8) and is slidably connected to the second slide rail (8).

5. The screw height detection mechanism according to claim 1, characterized in that: A second slide bar (22) is fixedly mounted on the top of the detection head (5); the second slide bar (22) passes through a second fixed seat (26) and is slidably connected to the second fixed seat (26); a second spring (23) is sleeved on the second slide bar (22).

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