Front and back recognition device for special-shaped sealing ring

Abstract

The utility model belongs to the technical field of automation, and particularly relates to a special-shaped sealing ring front and back face recognition device which comprises a vibration material disc, the vibration material disc comprises a disc body and a spiral material channel located in the disc body, a main recognition groove is formed in the side, close to the disc wall of the disc body, of the spiral material channel, and the groove bottom of the main recognition groove protrudes in the direction of a groove opening to form a supporting part. When the reverse side of the special-shaped sealing ring faces upwards, the special-shaped sealing ring is overturned to fall into the disc body, and when the front side of the special-shaped sealing ring faces upwards, part of the reverse side is supported on the supporting part, and the special-shaped sealing ring continues to be conveyed along the spiral material channel; the special-shaped sealing ring is tightly attached to the disc wall in the feeding process through the inclined spiral material channel, the back face of the sealing ring is supported through the supporting part so that the sealing ring with the upward front face can continue to be conveyed, or a gap is reserved between the supporting part and the inner wall of the front face so that the sealing ring with the upward back face can fall into the disc body. Therefore, the automatic identification of the special-shaped sealing ring is realized, the manual operation is replaced, and the working efficiency and the accuracy are improved.

Description

Technical Field

[0001] The utility model belongs to the field of automation technology, and in particular relates to a front and back side identification device for a special-shaped sealing ring. Background Art

[0002] In the process of assembling sealing rings of bearings, manual press-fitting is generally adopted. There are many types of sealing rings, which are divided into ordinary O-rings and special-shaped sealing rings. The two end faces of O-rings are the same, while the two end faces of special-shaped sealing rings are different. For example, Y-shaped sealing rings and V-shaped sealing rings have a reverse side and a front side. At present, the front and back sides of the sealing rings are usually identified manually during the press-fitting process. Misjudgment is prone to occur during the manual identification process, which causes the sealing ring to be reversed and affects the bearing performance. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in order to solve the problem that the front and back sides of the sealing ring are generally identified manually in the prior art, and misjudgment is prone to occur during the manual identification process, resulting in the reverse installation of the sealing ring and affecting the bearing performance, a device for identifying the front and back sides of a special-shaped sealing ring is now provided.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions: a device for identifying the front and back sides of a special-shaped sealing ring, wherein one end face of the special-shaped sealing ring along its axial direction is the back side, and the other end face is the front side, the back side is provided with a lip recessed toward the front side and the inner diameter of the back side is smaller than the inner diameter of the front side, and the outer diameter of the back side is approximately equal to the outer diameter of the front side, that is, the area of ​​the back side is larger than the area of ​​the front side.

[0005] The identification device comprises a vibrating material tray, the vibrating material tray comprises a tray body and a spiral material channel located inside the tray body, the spiral material channel gradually tilts upward from a side close to the tray wall of the tray body to a side away from the tray wall, and a main identification groove is provided on a side of the spiral material channel close to the tray wall, and the main identification groove and the tray wall of the tray body are enclosed to form a main identification area;

[0006] The bottom of the main identification groove protrudes toward the groove opening to form a support portion, and a space for the special-shaped sealing ring to fall is reserved between the head of the support portion and the disk wall. When the special-shaped sealing ring faces up with its back side facing up and its front side facing down, a gap is reserved between the front inner wall and the support portion, and the special-shaped sealing ring flips over and falls into the disk body; when the special-shaped sealing ring faces up with its front side facing down, part of its back side is supported on the support portion, and the special-shaped sealing ring continues to be transported along the spiral material channel;

[0007] First, the special-shaped sealing ring is automatically fed by a vibrating material tray. During the feeding process, the spiral material channel has a certain inclination angle so that the special-shaped sealing ring is close to the plate wall during the feeding process. Then the special-shaped sealing ring enters the main identification area. When the back of the special-shaped sealing ring is facing up and the front is facing down, a gap is left between the front inner wall and the support part, so that the contact area between the front and the spiral material channel is smaller. The special-shaped sealing ring flips over and falls into the tray body under the coordinated action of the inclined spiral material channel and its own weight; when the front of the special-shaped sealing ring is facing up and the back is facing down, part of the back is supported on the support part, that is, the two are partially overlapped, so that the contact area between the back and the spiral material channel is larger, and the special-shaped sealing ring can continue to be transported along the spiral material channel through the identification area.

[0008] The above technical solution utilizes an inclined spiral material channel to make the special-shaped sealing ring close to the disk wall during the loading process, and supports the back side of the sealing ring through the support part so that the sealing ring facing up can continue to be transported, or a gap is left between the support part and the front inner wall so that the sealing ring facing up can fall into the disk body, thereby realizing automatic identification of special-shaped sealing rings, replacing manual operation, and improving work efficiency and accuracy.

[0009] Furthermore, the main identification groove extends to both sides to form a secondary identification groove, which is an arc-shaped groove. The width of the secondary identification groove is greater than the thickness of the special-shaped sealing ring. The secondary identification groove and the disk wall of the disk body are combined to form a secondary identification area, and the main identification area is connected to the secondary identification area. When the special-shaped sealing ring gradually enters the main identification area from the secondary identification area, or the main identification area gradually enters the secondary identification area, the special-shaped sealing ring facing downward can gradually fall off and can be identified without completely entering the main identification area. The combination of the main identification groove and the secondary identification groove extends the range of the identification area, thereby improving the identification efficiency.

[0010] Furthermore, the two groove walls of the main identification groove gradually approach each other from the side close to the disk wall to the side far from the disk wall, forming an approximate "W" structure. When the special-shaped sealing ring contacts the structure, it can ensure that the special-shaped sealing ring with the front side facing upward continues to be transported along the spiral material channel through the main identification area, and can also ensure that the special-shaped sealing ring with the back side facing downward falls into the disk body, thereby improving the accuracy of identification.

[0011] Furthermore, there are a plurality of main identification grooves, and the plurality of main identification grooves are distributed at intervals to perform multiple identifications on the special-shaped sealing rings.

[0012] Furthermore, the discharge port of the spiral material channel is provided with a straight material channel, and the width of the straight material channel is set to allow only a single special-shaped sealing ring to pass through, that is, the width of the straight material channel is greater than the outer diameter of one special-shaped sealing ring and smaller than the outer diameters of two special-shaped sealing rings. The feed port of the straight material channel is provided with a material blocking rod, and the distance between the material blocking rod and the bottom of the straight material channel is set to allow only a single special-shaped sealing ring to pass through, that is, the distance is greater than the height of one special-shaped sealing ring and smaller than the height of two special-shaped sealing rings, thereby discharging the special-shaped sealing rings in an orderly manner.

[0013] Furthermore, a long groove is provided at the top of the straight material channel along its length direction, and when a blockage or the like occurs inside the straight material channel, the interior can be intervened through the long groove.

[0014] Furthermore, the discharge port of the straight material channel is provided with a secondary identification mechanism for re-identifying the front and back sides of the special-shaped sealing ring to improve the accuracy of identification.

[0015] Furthermore, the secondary identification mechanism includes a pushing channel, a detection groove provided on the pushing channel for accommodating special-shaped sealing rings, an infrared detection head for detecting the lip of the special-shaped sealing ring in the detection groove, a drawing block arranged at the bottom of the detection groove, and a drawing cylinder for pushing the drawing block towards or away from the detection groove; in the initial state, the drawing block is located at the bottom of the detection groove to seal its bottom, and the special-shaped sealing ring discharged from the straight channel enters the detection groove and falls on the drawing block, when the front side of the special-shaped sealing ring is facing upward (that is, the lip is facing downward at this time), the detection distance of the infrared detection head meets the predetermined value, and the robot takes the sealing ring away at this time; when the back side of the special-shaped sealing ring is facing upward (that is, the lip is facing upward at this time), due to the existence of the lip, the detection distance of the infrared detection head is greater than the predetermined value, and the drawing cylinder drives the drawing block away from the detection groove, and the sealing ring falls from the detection groove into the box below, waiting to be put into the vibrating material tray to start the next round of feeding and identification.

[0016] Furthermore, the detection groove deviates from the discharge port of the straight material channel, so as to avoid the special-shaped sealing rings being discharged from the straight material channel to the detection groove in succession during detection, resulting in squeezing of the special-shaped sealing rings in the detection groove.

[0017] Furthermore, the detection groove is located at one end of the pushing channel, and the other end of the pushing channel is provided with a pushing cylinder for pushing the special-shaped sealing ring from the straight channel into the detection groove. The output end of the pushing cylinder is connected to a pushing plate, and a sensor for sensing whether the sealing ring has reached the pushing channel is installed on the pushing plate, and the pushing plate has an arc-shaped pushing surface that matches the shape of the sealing ring.

[0018] The beneficial effects of the utility model are as follows: the utility model utilizes an inclined spiral material channel to make the special-shaped sealing ring close to the disk wall during the feeding process, and supports the back side of the sealing ring through the support part so that the sealing ring facing up can continue to be transported, or a gap is left between the support part and the front inner wall so that the sealing ring facing up can fall into the disk body, thereby realizing automatic identification of the special-shaped sealing ring, replacing manual operation, and improving work efficiency and accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] Figure 1 It is a structural diagram of the utility model;

[0021] Figure 2 It is a top view of the utility model;

[0022] Figure 3 yes Figure 2 A partial enlarged view of part A;

[0023] Figure 4 yes Figure 2 Cross-sectional view in the BB direction;

[0024] Figure 5 It is a schematic diagram of the structure of the secondary identification mechanism;

[0025] Figure 6 It is a schematic diagram of the cooperation between the special-shaped sealing ring and the supporting part with the front side facing upward;

[0026] Figure 7 It is a schematic diagram of the cooperation between the special-shaped sealing ring with the reverse side facing upward and the supporting part;

[0027] In the figure:

[0028] 1. Vibrating material tray; 101. tray body; 1011. tray wall; 102. spiral material channel; 1021. main identification groove; 1022. support part; 1023. auxiliary identification groove; 103. straight material channel; 1031. long groove; 1032. material blocking rod;

[0029] 2. Secondary identification mechanism; 201. Pushing channel; 2011. Detection slot; 202. Infrared detection head; 203. Extraction block; 204. Extraction cylinder; 205. Pushing cylinder; 206. Pushing plate; 2061. Pushing surface;

[0030] 3. Special-shaped sealing ring; 301, front side; 302, back side; 3021, lip. DETAILED DESCRIPTION

[0031] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0032] Embodiment 1:

[0033] like Figure 1-Figure 7 As shown, the utility model is a front and back side identification device for a special-shaped sealing ring, wherein one end face of the special-shaped sealing ring 3 along its axial direction is a front side 301, and the other end face is a back side 302, and the back side 302 is provided with a lip 3021 recessed toward the front side 301, and the inner diameter of the back side 302 is smaller than the inner diameter of the front side 301, and the outer diameter of the back side 302 is approximately equal to the outer diameter of the front side 301, that is, the area of ​​the back side 302 is larger than the area of ​​the front side 301.

[0034] The identification device includes a vibrating material tray 1 , which includes a tray body 101 and a spiral material channel 102 located inside the tray body 101 . During the vibration of the vibrating material tray 1 , the special-shaped sealing ring 3 inside the vibrating material tray 1 moves upward along the spiral material channel 102 .

[0035] A main identification groove 1021 is provided on one side of the spiral material channel 102 close to the disk wall 1011 of the disk body 101, and the main identification groove 1021 and the disk wall 1011 are enclosed to form a main identification area; a support portion 1022 is formed in the middle of the bottom of the main identification groove 1021 protruding in the direction of the notch, and a space for the special-shaped sealing ring 3 to fall is reserved between the head of the support portion 1022 and the disk wall 1011. When the back side 302 of the special-shaped sealing ring 3 faces upward and the front side 301 faces downward, a gap is reserved between the inner wall of the front side 301 and the support portion 1022, and the special-shaped sealing ring 3 flips over and falls into the disk body 101; when the front side 301 of the special-shaped sealing ring 3 faces upward and the back side 302 faces downward, part of the back side 302 is supported on the support portion 1022, and the special-shaped sealing ring 3 continues to be transported along the spiral material channel 102;

[0036] The main identification groove 1021 forms a structure approximately in the shape of a "mountain" or a "W". The support portion 1022 may be an equal-width structure or the width may gradually decrease along the groove bottom toward the groove mouth. In order to improve the accuracy of identification, the two groove walls of the main identification groove 1021 gradually converge from the side close to the disk wall 1011 to the side away from the disk wall 1011, that is, the main identification groove 1021 is preferably a "W"-shaped structure. When the special-shaped sealing ring 3 contacts this structure, it can ensure that the special-shaped sealing ring 3 with the front side 301 facing upwards continues to be transported along the spiral material channel 102 through the main identification area, and can also ensure that the special-shaped sealing ring 3 with the back side 302 facing downwards falls into the disk body 101.

[0037] The spiral material channel 102 gradually tilts upward from the side of the disk wall 1011 close to the disk body 101 to the side away from the disk wall 1011 so that the special-shaped sealing ring 3 can be close to the disk wall 1011 during the loading process. The inclination angle of the spiral material channel 102 cannot be too large to prevent the special-shaped sealing ring 3 from falling directly from the identification groove by its own weight after entering the identification area, and it cannot be too small to ensure that the special-shaped sealing ring 3 can be close to the disk wall 1011 through the inclination angle and its own weight for subsequent identification.

[0038] The main identification groove 1021 extends to both sides to form a secondary identification groove 1023, which is an arc-shaped groove. The width of the secondary identification groove 1023 is greater than the thickness of the special-shaped sealing ring 3 to allow the special-shaped sealing ring 3 to fall. The secondary identification groove 1023 and the disk wall 1011 are enclosed to form a secondary identification area, and the main identification area is connected to the secondary identification area; when the special-shaped sealing ring 3 gradually enters the main identification area from the secondary identification area, or when the main identification area gradually enters the secondary identification area, the special-shaped sealing ring 3 with the front 301 facing downward can gradually fall off, and can be identified without completely entering the main identification area. The combination of the main identification groove 1021 and the secondary identification groove 1023 extends the range of the identification area, thereby improving the identification efficiency; there are a plurality of main identification grooves 1021, and the plurality of main identification grooves 1021 are distributed at intervals to perform multiple identifications on the special-shaped sealing ring 3 to improve the identification accuracy.

[0039] The outlet of the spiral channel 102 is provided with a straight channel 103, the width of which is set to allow only a single shaped sealing ring 3 to pass through, that is, the width of the straight channel 103 is greater than the outer diameter of one shaped sealing ring 3 but less than the outer diameters of two shaped sealing rings 3, and the feed port of the straight channel 103 is provided with a blocking rod 1032, and the spacing between the blocking rod 1032 and the bottom of the straight channel 103 is set to allow only a single shaped sealing ring 3 to pass through, that is, the spacing is greater than the height of one shaped sealing ring 3 but less than the height of two shaped sealing rings 3, so that the shaped sealing rings 3 are discharged in an orderly manner. The top of the straight channel 103 is provided with a long groove 1031 along its length direction, and when the straight channel 103 is blocked, the interior can be intervened through the long groove 1031.

[0040] The discharge port of the straight material channel 103 is provided with a secondary identification mechanism 2 for re-identifying the front and back sides of the special-shaped sealing ring 3. The secondary identification mechanism 2 includes a material pushing channel 201, a detection groove 2011 provided on the material pushing channel 201 for accommodating the special-shaped sealing ring 3, an infrared detection head 202 for detecting the lip 3021 of the special-shaped sealing ring 3 in the detection groove 2011, a material extraction block 203 provided at the bottom of the detection groove 2011, and a material extraction cylinder 204 for pushing the material extraction block 203 to approach or move away from the detection groove 2011;

[0041] In the initial state, the extraction block 203 is located at the bottom of the detection groove 2011 to block its bottom, and the special-shaped sealing ring 3 discharged from the straight material channel 103 enters the detection groove 2011 and falls on the extraction block 203. When the front side 301 of the special-shaped sealing ring 3 is facing upward (that is, the lip 3021 is facing downward at this time), the detection distance of the infrared detection head 202 meets the preset value, and the robot takes away the sealing ring at this time; when the back side 302 of the special-shaped sealing ring 3 is facing upward (that is, the lip 3021 is facing upward at this time), due to the existence of the lip 3021, the detection distance of the infrared detection head 202 is greater than the preset value, and the extraction cylinder 204 drives the extraction block 203 away from the detection groove 2011, and the sealing ring falls from the detection groove 2011 into the box below, waiting to be put into the vibrating material tray 1 to start the next round of feeding identification.

[0042] The detection groove 2011 deviates from the discharge port of the straight material channel 103 to avoid the special-shaped sealing ring 3 being discharged from the straight material channel 103 to the detection groove 2011 in succession during detection, resulting in squeezing of the special-shaped sealing ring 3 in the detection groove 2011; the detection groove 2011 is located at one end of the pushing channel 201, and the other end of the pushing channel 201 is provided with a pushing cylinder 205 for pushing the special-shaped sealing ring 3 from the straight material channel 103 into the detection groove 2011, and the output end of the pushing cylinder 205 is connected to a pushing plate 206, and a sensor for sensing whether the sealing ring has reached the pushing channel 201 is installed on the pushing plate 206, and the pushing plate 206 has an arc-shaped pushing surface 2061 that matches the shape of the special-shaped sealing ring 3.

[0043] Working principle:

[0044] One-time identification: first, the special-shaped sealing ring 3 is automatically fed by the vibrating material tray 1. During the feeding process, the spiral material channel 102 has a certain inclination angle so that the special-shaped sealing ring 3 is close to the plate wall 1011 during the feeding process, and then the special-shaped sealing ring 3 enters the identification area. When the back side 302 of the special-shaped sealing ring 3 is facing upwards and the front side 301 is facing downwards, a gap is left between the inner wall of the front side 301 and the support part 1022, so that the contact surface between the front side 301 and the spiral material channel 102 is small. The special-shaped sealing ring 3 flips over and falls into the plate body 101 under the coordinated action of the inclined spiral material channel 102 and its own weight; when the front side 301 of the special-shaped sealing ring 3 is facing upwards and the back side 302 is facing downwards, part of the back side 302 is supported on the support part 1022, that is, the two are partially overlapped, so that the contact surface between the back side 302 and the spiral material channel 102 is large, and the special-shaped sealing ring 3 can continue to be transported along the spiral material channel 102 through the identification area.

[0045] Secondary identification: the special-shaped sealing ring 3 enters the pushing channel 201 through the straight material channel 103. After the sensor senses it, the control unit controls the pushing cylinder 205 to push the special-shaped sealing ring 3 into the detection groove 2011. When the front side 301 of the special-shaped sealing ring 3 is facing upward (that is, the lip 3021 is facing downward at this time), the detection distance of the infrared detection head 202 meets the preset value, and the robot takes the sealing ring away at this time; when the back side 302 of the special-shaped sealing ring 3 is facing upward (that is, the lip 3021 is facing upward at this time), due to the existence of the lip 3021, the detection distance of the infrared detection head 202 is greater than the preset value, and the extraction cylinder 204 drives the extraction block 203 away from the detection groove 2011, and the sealing ring falls from the detection groove 2011 into the box below, waiting to be put into the vibrating material tray 1 to start the next round of feeding identification.

[0046] Based on the above ideal embodiments of the utility model, the relevant staff can make various changes and modifications without deviating from the technical concept of the utility model through the above description. The technical scope of the utility model is not limited to the content of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A device for identifying the front and back sides of a special-shaped sealing ring, wherein one end face of the special-shaped sealing ring (3) is a front side (301), and the other end face is a back side (302), the back side (302) is provided with a lip (3021) recessed toward the front side (301), and the inner diameter of the back side (302) is smaller than the inner diameter of the front side (301), characterized in that: It comprises a vibrating material tray (1); The vibrating material tray (1) comprises a tray body (101) and a spiral material channel (102) located inside the tray body (101), the spiral material channel (102) gradually tilts upward from a side close to a tray wall (1011) of the tray body (101) to a side away from the tray wall (1011), and a main identification groove (1021) is provided on a side of the spiral material channel (102) close to the tray wall (1011), and the main identification groove (1021) and the tray wall (1011) enclose a main identification area; The bottom of the main identification groove (1021) protrudes toward the groove opening to form a support portion (1022); when the back side (302) of the special-shaped sealing ring (3) faces upward and the front side (301) faces downward, a gap is left between the inner wall of the front side (301) and the support portion (1022), and the special-shaped sealing ring (3) turns over and falls into the disk body (101); when the front side (301) of the special-shaped sealing ring (3) faces upward and the back side (302) faces downward, part of the back side (302) is supported on the support portion (1022), and the special-shaped sealing ring (3) continues to be transported along the spiral material channel (102).

2. The device for identifying the front and back sides of a special-shaped sealing ring according to claim 1, characterized in that: The main identification groove (1021) extends to both sides to form a secondary identification groove (1023), and the secondary identification groove (1023) and the disk wall (1011) are enclosed to form a secondary identification area.

3. The device for identifying the front and back sides of a special-shaped sealing ring according to claim 1, characterized in that: The two groove walls of the main identification groove (1021) gradually approach each other from the side close to the disk wall (1011) to the side far away from the disk wall (1011).

4. The device for identifying the front and back sides of a special-shaped sealing ring according to claim 1, characterized in that: There are a plurality of main identification grooves (1021), and the plurality of main identification grooves (1021) are distributed at intervals.

5. The device for identifying the front and back sides of a special-shaped sealing ring according to claim 1, characterized in that: The outlet of the spiral material channel (102) is provided with a straight material channel (103), the width of the straight material channel (103) is set to allow only a single special-shaped sealing ring (3) to pass through, and the feed inlet of the straight material channel (103) is provided with a blocking rod (1032), and the distance between the blocking rod (1032) and the bottom of the straight material channel (103) is set to allow only a single special-shaped sealing ring (3) to pass through.

6. The device for identifying the front and back sides of a special-shaped sealing ring according to claim 5, characterized in that: A long groove (1031) is formed at the top of the straight material channel (103) along its length direction.

7. The device for identifying the front and back sides of a special-shaped sealing ring according to claim 5, characterized in that: The discharge port of the straight material channel (103) is provided with a secondary identification mechanism (2) for re-identifying the front and back surfaces (302) of the special-shaped sealing ring (3).

8. The device for identifying the front and back sides of a special-shaped sealing ring according to claim 7, characterized in that: The secondary identification mechanism (2) comprises a material pushing channel (201), a detection groove (2011) provided on the material pushing channel (201) for accommodating a special-shaped sealing ring (3), an infrared detection head (202) for detecting a lip (3021) of the special-shaped sealing ring (3) in the detection groove (2011), a material extraction block (203) provided at the bottom of the detection groove (2011), and a material extraction cylinder (204) for pushing the material extraction block (203) toward or away from the detection groove (2011).

9. The device for identifying the front and back sides of a special-shaped sealing ring according to claim 8, characterized in that: The detection groove (2011) deviates from the discharge port of the straight material channel (103).

10. The device for identifying the front and back sides of a special-shaped sealing ring according to claim 8, characterized in that: The detection groove (2011) is located at one end of the pushing channel (201), and the other end of the pushing channel (201) is provided with a pushing cylinder (205) for pushing the special-shaped sealing ring (3) from the straight channel (103) into the detection groove (2011), and the output end of the pushing cylinder (205) is connected to a pushing plate (206), a sensor is installed on the pushing plate (206), and the pushing plate (206) has an arc-shaped pushing surface (2061).

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