Positioning device for cutting machining of rubber sealing machine

Abstract

The invention discloses a positioning device for cutting processing of a rubber sealing machine, which is characterized in that a positioning piece is linearly and slidably mounted in each group of linear sliding openings, the lower ends of the positioning pieces are in rolling contact with a lifting ring, three groups of placing backing rings which are distributed in an annular array are fixed above a rotating seat, and sealing pieces are arranged above the placing backing rings; a material guide sleeve is fixed to the lower end of each containing backing ring and inserted into the corresponding round hole, three sets of annularly-distributed supporting pieces are rotationally installed in each material guide sleeve and connected with the corresponding lifting ring, and a plurality of positioning pieces, the lifting rings and the driving ring bases are distributed on the periphery of each set of containing backing ring in a circumferential array mode. When the placing backing ring moves to the feeding area and the discharging area, the positioning piece can be automatically unlocked, the sealing piece can be conveniently placed, when the placing backing ring moves to the cutting area, the positioning piece can automatically clamp and position the sealing piece, it is guaranteed that the sealing piece makes contact with the placing backing ring and the supporting piece and does not protrude, and the follow-up cutting precision is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of cutting and positioning, in particular to a positioning device for cutting processing of a rubber sealing machine. Background Art

[0002] In some special sealing structures, seals are required for sealing settings, such as metal seals, rubber seals, etc., which require holes to be opened during the processing process for installation or for the flow of gas or liquid. Due to the characteristics of rubber, it is necessary to perform cold cutting during the hole opening process to ensure that the heat does not cause deformation and inaccurate precision during the cutting process. During the cutting process of the rubber seal, the rubber seal needs to be fixed on the top of the rubber sealing machine for positioning, and then a multi-head vibrating knife cutting device is used for cutting. The positioning fixture of the existing rubber sealing machine adopts a single-station design, that is, when cutting, the rubber sealing gasket to be cut is first placed on the clamp for clamping and positioning. The clamp is provided with a slot for discharging waste. The clamp is then moved to the bottom of the cutting head of the cutting device and the cutting operation is performed. The waste generated after cutting will fall into the slot and be discharged. After the cutting is completed, the cutting head is away from the rubber seal, and the clamp drives the rubber seal back to its original position, and the seal is removed and a new seal is placed.

[0003] When cutting a rubber seal, the cut-off portion and the seal are not separated instantly. The two need a certain amount of time to separate. During this process, the cut-off portion needs to be slowly separated from the seal body. After cutting to a certain extent, the cut-off portion will tend to fall downward under the action of its own gravity, and the connection between the two will be stretched downward. In this way, the cutter head will cause the rubber seal to be over-cut during cutting, resulting in inaccurate precision. If the fixture is not equipped with a discharge slot, then after the cutting is completed, we will remove the seal during unloading, and we need to remove and clean the multiple cut waste materials separately. For some automatic loading and unloading equipment, a seal and multiple blocks of waste will be left on the fixture after cutting. During the material removal process, the seal and waste materials will be removed one by one, resulting in repeated material removal processes. Summary of the Invention

[0004] The present invention provides a positioning device for cutting and processing a rubber sealing machine, which solves the above-mentioned problem.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions: A positioning device for cutting and processing a rubber sealing machine comprises a base, two sets of drive ring seats being fixed to the upper surface of the base, an annular track being suspended above the base by a bracket, a rotating seat being rotatably mounted on the annular track via a track slider, three sets of circular holes being arranged in an annular array above the rotating seat, and a lifting ring being slidably mounted below each circular hole; Each circular hole is provided with three groups of linear sliding openings distributed in a circular array. A positioning member is linearly slidably installed in each group of linear sliding openings, and the lower end of the positioning member is in rolling contact with the lifting ring. Three groups of placement gaskets distributed in an annular array are fixed above the rotating seat, and the sealing member is placed above the placement gasket. The inner hole of the placement gasket is directly above the circular hole. A material guide sleeve is fixed to the lower end of the placement gasket, and the material guide sleeve is inserted into the circular hole. Three groups of annularly distributed support members are rotatably installed in the material guide sleeve, and the support members are connected to the lifting ring.

[0006] Preferably, a precision divider is fixed on the upper surface of the base, and the center of the lower surface of the rotating seat is connected to the output shaft of the precision divider.

[0007] Preferably, the area above the base is divided into three equal parts: a loading area, a cutting area, and a unloading area. The three circular holes are located above the three areas respectively. The precision divider enables the rotating base to rotate one-third of a circle each time. The base is provided with a discharge port which is formed through the upper and lower parts and is distributed in a fan-shaped structure. The discharge port is located at the junction of the unloading area and the cutting area, and the inner diameter of the discharge port is larger than the inner diameter of the guide sleeve. The guide sleeve does not contact the base, and there is a distance between the two. In this way, the guide sleeve can avoid friction when rotating with the rotating base. After each rotation of the rotating base by one-third of a circle, one of the guide sleeves is located directly above the discharge port, and the waste cut in the guide sleeve can be directly discharged through the discharge port.

[0008] Preferably, the axes of the two groups of drive ring seats are collinear, the removed portion of the upper surface of the drive ring seat forms a positioning arc portion, and the unremoved portion forms an unlocking arc portion, the length of the positioning arc portion is one third of the arc length of the drive ring seat, and the positioning arc portion is within the cutting area.

[0009] Preferably, the placement ring is provided with three groups of linear notches in an annular array, and the three groups of linear notches are respectively located directly above the three linear sliding openings; The positioning member includes a positioning column that is linearly slidably installed in the linear notch and the linear sliding mouth, and a mounting screw is welded on the top of the positioning column, and a pressure plate is fixed on the mounting screw through a nut, and a pressure head is fixed below the inner end of the pressure plate, and an abutment plate is also installed on the mounting screw through a nut, and the pressure plate and the abutment plate are penetrated up and down to form a strip opening, and the two are sleeved on the mounting screw through the strip opening and fixed by a nut, which enables the pressure plate and the abutment plate to slide accordingly in the mounting screw, so that the distance between their inner ends can be adjusted as needed, which is suitable for the positioning of seals of various sizes.

[0010] Preferably, three groups of guide members are arranged in a circular array below the circular hole of each rotating seat, and each group of guide members includes two guide plates symmetrically distributed on the outside of the positioning column, and the two guide plates are welded to the outer ring surface of the guide sleeve. A guide groove is provided on the guide plate, and the guide groove is inclined, and its height gradually decreases from the outside to the inside; A plurality of guide rollers are rotatably mounted on the positioning column via an axle pin, and the guide rollers are rolled and plugged into the guide slots, and a support wheel is rotatably mounted on the bottom end of the positioning column via an axle pin, and the support wheel is in rolling contact with the upper surface of the lifting ring. When the lifting ring moves upward, the lifting ring will push the positioning column to move upward together. Since the guide rollers on the positioning column are rolled and plugged into the guide slots, and the guide slots are inclined, the positioning column will also move outward and upward along the guide slots during the upward movement. The three positioning columns in the same area move outward and upward synchronously, away from each other, and the opening between them is enlarged, which can be used to place the seals to be processed.

[0011] Preferably, the two guide plates are connected to a tension spring on one side surface away from the positioning column through a hook, and the other end of the tension spring is connected to the axle pin of the guide roller. The tension spring makes the guide roller always have a tendency to move inward. When the lifting ring moves downward, the three groups of positioning columns will move downward along the guide slide groove inward and downward under the tension of the tension spring and their own gravity. The abutment plate on the positioning column will move inward accordingly, and will push the center of the seal to position, and the pressure head will also move inward and downward, and the pressure head will also be pressed on top of the seal to ensure that the seal is in contact with the placement gasket and the support member without bulging, thereby improving the subsequent cutting accuracy.

[0012] Preferably, three groups of mounting notches distributed in a circular array are provided above the outer ring of the guide sleeve, and a mounting bracket is fixed on the inner walls on both sides of each mounting notch. The support member includes a mounting shaft bracket rotatably installed between the two mounting brackets through an axle pin, and an arc-shaped plate is fixed to the upper end of the inward side of the mounting shaft bracket, and a deflection gear is fixed on the mounting shaft bracket.

[0013] Preferably, three groups of linear rods distributed in a circular array are fixed on the lifting ring, and driving gears are provided on the inner side of the upper part of the linear rods, and the three groups of driving gears are respectively engaged with the three deflection gears; When the lifting ring moves upward, the linear rod and the driving gear on the lifting ring will move upward together, thereby driving the deflection gear to deflect clockwise with the shaft pin of the shaft frame as the axis, and the arc plate deflects ninety degrees inward and downward, and the waste on the arc plate will fall into the guide sleeve; When the lifting ring moves downward, the linear rod and the driving gear will move downward together, and the deflection gear will drive the arc plate to rotate counterclockwise. The arc plate will deflect upward ninety degrees and return to its original position. The three groups of arc plates will cover the inner ring of the gasket to support the seal above, and the upper surface of the arc plate will be flush with the upper surface of the gasket.

[0014] Preferably, four groups of lifting wheels distributed in an annular array are fixed to the bottom end of the lifting ring, and three groups of through-holes distributed in an annular array are opened on the lifting ring, and lifting guide rods are inserted into the through-holes for sliding up and down. The top ends of the lifting guide rods are fixed to the lower surface of the rotating seat, and the four lifting wheels are in rolling contact with the upper surfaces of the two groups of drive ring seats respectively; When the lifting ring is in the loading area and moves along the driving ring seat from the loading area to the cutting area, the lifting wheel below the lifting ring will move to the positioning arc through the unlocking arc, and the overall height of the lifting ring and the lifting wheel will drop; When the lifting ring moves from the cutting area to the unloading area, the overall height of the lifting ring and the lifting wheel rises. When the lifting ring moves from the unloading area to the loading area, the height of the lifting ring remains unchanged.

[0015] Beneficial effects of the present invention: 1. By setting three groups of placement rings above the rotating seat, each group of placement rings has a plurality of positioning parts in a circular array around it, and cooperating with the provided lifting ring and driving ring seat, when the placement ring moves to the loading area and unloading area, the positioning parts can be automatically unlocked to facilitate the placement of the seal. When it moves to the cutting area, the positioning parts will automatically clamp and position the seal, and ensure that the seal is in contact with the placement ring and the support parts without bulging, thereby improving the subsequent cutting accuracy; 2. A guide sleeve is set under the placement gasket, and an arc plate is rotatably installed in the guide sleeve. The arc plate is engaged with the linear rod through the deflection gear. The linear rod is fixed on the lifting ring. The placement gasket is moved to the cutting area. The arc plate can support the bottom of the seal. The block-shaped waste materials separated by cutting are supported by the arc plate and will not tilt downward, thereby ensuring the accuracy of cutting. When moving to the unloading area, the arc plate can rotate downward, so that the waste materials automatically fall and are discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1A front view of a positioning device for cutting processing of a rubber sealing machine according to the present application; Figure 2 A front view of a positioning device for cutting processing of a rubber sealing machine according to the present application; Figure 1 An exploded view of a middle base and a rotating seat; Figure 3 A front view of a positioning device for cutting processing of a rubber sealing machine according to the present application; Figure 2 A structure schematic view of placing a gasket ring and a lifting ring, and a driving ring seat; Figure 4 A front view of a positioning device for cutting processing of a rubber sealing machine according to the present application; Figure 3 A structure schematic view of obtaining a ring seat and a base; Figure 5 A structure schematic view of placing a gasket ring and a positioning member, a supporting member, and a lifting ring in the third embodiment; Figure 6 A front view of a positioning device for cutting processing of a rubber sealing machine according to the present application; Figure 5 An exploded schematic view of the third embodiment; Figure 7 A front view of a positioning device for cutting processing of a rubber sealing machine according to the present application; Figure 1 A cross-sectional schematic view of the third embodiment; Figure 8 A front view of a positioning device for cutting processing of a rubber sealing machine according to the present application; Figure 7 An enlarged schematic view of A in the third embodiment.

[0017] In the figure, 1 is a base; 11 is a driving ring seat; 111 is a positioning arc part; 112 is an unlocking arc part; 12 is an annular track; 13 is a discharge port; 14 is a precision divider; 15 is a feeding area; 16 is a cutting area; 17 is a discharging area; 2 is a rotating seat; 21 is a straight sliding port; 3 is a sealing member; 4 is a gasket ring; 41 is a straight notch; 5 is a positioning member; 501 is a positioning column; 502 is a mounting screw; 503 is a pressing plate; 504 is an abutting plate; 505 is a pressing head; 51 is a supporting wheel; 52 is a guide plate; 521 is a guide sliding groove; 53 is a guide roller; 54 is a tension spring; 6 is a supporting member; 61 is an arc plate; 62 is a mounting shaft support; 63 is a deflection gear; 64 is a straight rod; 641 is a driving tooth part; 7 is a material guiding sleeve; 71 is a mounting notch; 72 is a mounting support; 8 is a lifting ring; 81 is a lifting guide rod; 82 is a lifting wheel. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0019] Reference Figure 1 - Figure 8A positioning device for cutting and processing a rubber sealing machine comprises a base 1, two sets of drive ring seats 11 being fixed to the upper surface of the base 1, an annular track 12 being suspended above the base 1 by a bracket, a rotating base 2 being rotatably mounted on the annular track 12 via a track slider, three sets of circular holes distributed in an annular array being opened above the rotating base 2, and a lifting ring 8 being slidably arranged below each circular hole; Each circular hole is provided with three groups of linear sliding openings 21 distributed in a circular array. A positioning member 5 is linearly slidably installed in each group of linear sliding openings 21. The lower end of the positioning member 5 is in rolling contact with the lifting ring 8. Three groups of placement gaskets 4 distributed in a circular array are fixed above the rotating seat 2, the sealing member 3 is placed above the placement gasket 4, the inner hole of the placement gasket 4 is directly above the circular hole, and a material guide sleeve 7 is fixed to the lower end of the placement gasket 4. The material guide sleeve 7 is inserted into the circular hole, and three groups of annularly distributed support members 6 are rotatably installed in the material guide sleeve 7. The support member 6 is connected to the lifting ring 8.

[0020] Reference Figure 2 、 Figure 7 A precision divider 14 is fixed on the upper surface of the base 1, and the center of the lower surface of the rotating base 2 is connected to the output shaft of the precision divider 14.

[0021] Reference Figure 2 、 Figure 4 The area above the base 1 is divided into three equal parts: a loading area 15, a cutting area 16, and a unloading area 17. The three circular holes are respectively located above the three areas. After the rotating base 2 is driven by the precision divider 14 to rotate one circle, each circular hole on the rotating base 2 can move over the loading area 15, the cutting area 16, and the unloading area 17. Each time the rotating base 2 stops, the three circular holes are respectively located above the three areas, so that the three areas above the rotating base 2 are used for loading, cutting, and unloading, respectively, thereby improving processing efficiency.

[0022] A discharge port 13 is formed through the upper and lower parts of the base 1, and the discharge port 13 is distributed in a fan-shaped structure. The discharge port 13 is located at the junction of the unloading area 17 and the cutting area 16. The guide sleeve 7 does not contact the base 1, and there is a distance between the two. In this way, the guide sleeve 7 can avoid friction when rotating with the rotating base 2. After the rotating base 2 rotates one-third of a circle each time, it rotates until a guide sleeve 7 on the unloading area 17 is directly above the discharge port 13, and the waste cut in the guide sleeve 7 can be directly discharged through the discharge port 13.

[0023] Reference Figure 2 - Figure 4The axes of the two sets of drive ring seats 11 are collinear, the outer diameter of the inner drive ring seat 11 is smaller than the outer diameter of the outer drive ring seat 11, the portion of the upper surface of the drive ring seat 11 is cut away to form a positioning arc portion 111, and the portion not cut away forms an unlocking arc portion 112, the arc length of the positioning arc portion 111 is one third of the arc length of the drive ring seat 11, and the positioning arc portion 111 is within the cutting area 16.

[0024] Reference Figure 5 - Figure 8 The placement ring 4 is provided with three groups of linear notches 41 in a circular array. The three groups of linear notches 41 are respectively located directly above the three linear sliding openings 21, ensuring that the positioning member 5 can be moved into the linear notches 41, which is suitable for positioning seals 3 of various sizes. The positioning member 5 includes a positioning column 501 linearly slidably installed in the linear notch 41 and the linear sliding port 21, and a mounting screw 502 is welded to the top of the positioning column 501. A pressing plate 503 is fixed to the mounting screw 502 through a nut, and a pressure head 505 is fixed to the lower inner end of the pressing plate 503. An abutment plate 504 is also installed on the mounting screw 502 through a nut. The pressing plate 503 and the abutment plate 504 are both penetrated by a strip opening formed above and below, and the two are sleeved on the mounting screw 502 through the strip opening and fixed by a nut, which enables the pressing plate 503 and the abutment plate 504 to slide accordingly in the mounting screw 502, so that the distance between their inner ends can be adjusted as needed, which is suitable for positioning of seals 3 of various sizes. Specifically, after the positioning column 501 is above the cutting area 16, multiple positioning columns 501 will be close to each other and at the innermost side they can move, and the seal 3 will be placed above the placement gasket 4, and then the abutment plate 504 will be sleeved on the mounting screw 502, so that the inner end of the abutment plate 504 abuts against the outer ring of the seal 3 and is fixed by a nut, and then the clamping plate 503 will be sleeved on the mounting screw 502, and the bottom end of the pressure head 505 will be pressed against the upper surface of the seal 3 and fixed by a nut, and the seal 3 of this size can be clamped and positioned by the positioning column 501. The above operation can position and clamp seals 3 of different sizes by changing the positions of the clamping plate 503 and the abutment plate 504.

[0025] Reference Figure 5 - Figure 8 , three sets of guide members are arranged in a circular array under the circular hole of each rotating seat 2, each set of guide members includes two guide plates 52 symmetrically distributed on the outside of the positioning column 501, and the two guide plates 52 are welded to the outer ring surface of the guide sleeve 7. A guide groove 521 is opened on the guide plate 52, and the guide groove 521 is inclined, and its height gradually decreases from the outside to the inside; A plurality of guide rollers 53 are installed on the positioning column 501 through the rotation of an axle pin, and the guide rollers 53 are rolled and inserted into the guide slots 521, and a support wheel 51 is installed on the bottom end of the positioning column 501 through the rotation of an axle pin. The support wheel 51 is in rolling contact with the upper surface of the lifting ring 8. When the lifting ring 8 moves upward, the lifting ring 8 will push the positioning column 501 to move upward together. Since the guide rollers 53 on the positioning column 501 are rolled and inserted into the guide slots 521, and the guide slots 521 are inclined, the positioning column 501 will also move outward and upward along the guide slots 521 during the upward movement. The three positioning columns 501 in the same area move outward and upward synchronously away from each other, and the opening between them is enlarged, which can be used to place the seal 3 to be processed.

[0026] The surfaces of the two guide plates 52 on one side away from the positioning column 501 are both connected to a tension spring 54 through a hook. The other end of the tension spring 54 is connected to the axle pin of the guide roller 53. The tension spring 54 makes the guide roller 53 always have a tendency to move inward. When the lifting ring 8 moves downward, the three groups of positioning columns 501 will move downward and inward along the guide groove 521 under the tension of the tension spring 54 and its own gravity. The abutment plate 504 located on the positioning column 501 will move inward accordingly, thereby pushing the center of the seal 3 to position, and the pressure head 505 will also move downward. The pressure head 505 will also be pressed on the top of the seal 3 to ensure that the seal 3 is in contact with the placement gasket 4 and the support 6 without bulging, thereby improving the subsequent cutting accuracy.

[0027] Reference Figure 6 - Figure 8 Three groups of mounting notches 71 distributed in a circular array are provided above the outer ring of the guide sleeve 7. A mounting bracket 72 is fixed on the inner wall on both sides of each mounting notch 71. The support member 6 includes a mounting shaft bracket 62 rotatably installed between the two mounting brackets 72 through an axle pin. An arc plate 61 is fixed to the upper end of the inward side of the mounting shaft bracket 62, and a deflection gear 63 is fixed on the mounting shaft bracket 62.

[0028] Reference Figure 3 、 Figure 5 and Figure 7 , three groups of linear rods 64 distributed in a circular array are fixed on the lifting ring 8, and a driving gear portion 641 is provided on the inner side of the upper part of the linear rod 64. The three groups of driving gear portions 641 are respectively engaged with the three deflection gears 63; When the lifting ring 8 moves upward, the linear rod 64 and the driving gear 641 on the lifting ring 8 will move upward together, thereby driving the deflection gear 63 to deflect clockwise about the axis of the shaft pin of the shaft frame 62, and the curved plate 61 will deflect clockwise together, that is, the curved plate 61 will deflect ninety degrees inward and downward, and the waste on the curved plate 61 will fall into the guide sleeve 7; When the lifting ring 8 moves downward, the straight rod 64 and the driving tooth part 641 will move downward together, the deflection gear 63 drives the arc plate 61 to rotate counterclockwise, the arc plate 61 is deflected upward by ninety degrees to return to the original position, and the three sets of arc plates 61 will shield the inner circle of the placing pad ring 4 to support the upper sealing element 3, and the upper surface of the arc plate 61 is flush with the upper surface of the placing pad ring 4.

[0029] The bottom end of the lifting ring 8 is fixed with four sets of annularly arranged lifting wheels 82, and three sets of annularly arranged through holes are formed in the lifting ring 82, and lifting guide rods 81 are slidably inserted into the through holes, the top end of the lifting guide rod 81 is fixed to the lower surface of the rotating seat 2, and the four lifting wheels 82 are in rolling contact with the upper surfaces of the two sets of driving ring seats 11 respectively. When the rotating seat 2 rotates under the action of the precision divider 14, the lifting ring 8 will rotate together, the lifting wheels 82 below the lifting ring 8 will roll along the upper surfaces of the driving ring seats 11, when the lifting ring 8 is in the feeding area 15 and moves along the driving ring seat 11 from the feeding area 15 to the cutting area 16, the lifting wheels 82 below the lifting ring 8 will move to the positioning arc part 111 by the unlocking arc part 112, and the overall height of the lifting ring 8 and the lifting wheels 82 is lowered. When the lifting ring 8 moves from the cutting area 16 to the discharging area 17, the overall height of the lifting ring 8 and the lifting wheels 8 is raised, and when the lifting ring 8 moves from the discharging area 17 to the feeding area 15, the height of the lifting ring 8 remains unchanged.

[0030] Working principle: the positioning tool is fixed on the machine table of the vibration knife cutting equipment, and the cutting area 16 on the base 1 is below the multi-head vibration knife of the vibration cutting equipment, in the initial state, the lifting wheels 82 in the feeding area 15 are located on the unlocking arc part 112, at this time, the lifting ring 8 drives the overall position of the positioning part 5 to be higher, three of the positioning parts 5 are away from each other, the opening between them is larger, and the three arc plates 61 in the guide sleeve 7 rotate downward by ninety degrees, and the round hole on the rotating seat 2 is exposed.

[0031] In use, the sealing element 3 to be processed is placed above the placing pad ring 4 in the feeding area 15, the precision divider 14 makes the rotating seat 2 rotate by 1 / 3 turn, and the sealing element 3 will be above the cutting area 16, at this time, the placing pad ring 4 originally in the discharging area 17 will move into the feeding area 15, and the feeding can be performed again. When the seal 3 moves from the loading area 15 to the cutting area 16, the positioning member 5 and the lifting ring 8 on the placement gasket 4 will move together with it. The lifting wheel 82 on the lifting ring 8 will move along the upper surface of the driving ring seat 11, and the lifting wheel 82 will move from above the unlocking arc portion 112 to the positioning arc portion 111. Since the height of the unlocking arc portion 112 is higher than the positioning arc portion 111, the height of the lifting wheel 82 will drop, causing the height of the lifting ring 8 to move downward together with it. During the descent of the lifting ring 8, the linear rod 64 and the driving gear 641 on the lifting ring 8 will move downward together. Since the driving gear 641 is engaged with the deflection gear 63, the deflection gear 63 drives the arc plate 61 to rotate counterclockwise together. The arc plate 61 deflects upward 90 degrees and returns to its original position. The three sets of arc plates 61 will cover the inner ring of the placement gasket 4 to support the seal 3 above. The upper surface of the arc plate 61 is flush with the upper surface of the placement gasket 4. The three groups of positioning posts 501 will move downward along the guide slots 521 under the action of the tension of the tension springs 54 and their own gravity, and the abutment plates 504 on the positioning posts 501 will move inward accordingly. During the synchronous inward movement of the three groups of positioning posts 501, the abutment plates 504 on the positioning posts 501 will also move inward accordingly, thereby pushing the seal 3 to the center position, and the pressing head 505 will also move inward and downward, and the pressing head 505 will also press on the top of the seal 3, ensuring that the seal 3 is in contact with the placement gasket 4 and the support member 6 without bulging, thereby improving the subsequent cutting accuracy; The cutting head of the cutting device then moves downward and performs the cutting operation. During the cutting process, the separated block waste is supported by the arc plate 61 and will not tilt downward, thereby ensuring the accuracy of the cutting, and the waste formed by the cutting falls on the arc plate 61.

[0032] After the cutting is completed, the precision divider 14 causes the rotating base 2 to rotate another 1 / 3 of a turn. At this time, the part in the loading area 15 moves to the cutting area 16, and is placed in the same manner as above, and is ready for cutting again. The cut seal 3 will be moved to the unloading area 17. During this process, the lifting wheel 82 will move from above the positioning arc 111 to the unlocking arc 112. Since the height of the unlocking arc 112 is higher than the positioning arc 111, the height of the lifting wheel 82 will decrease, causing the height of the lifting ring 8 to move upward together with it. When the lifting ring 8 moves upward, the linear rod 64 and the driving gear 641 on the lifting ring 8 will move upward together, thereby driving the deflection gear 63 to deflect clockwise with the shaft pin of the shaft frame 62 as the axis, and the arc plate 61 will deflect clockwise together, that is, the arc plate 61 will deflect ninety degrees inward and downward, and the waste on the arc plate 61 will fall into the guide sleeve 7, and the guide sleeve 7 is directly above the discharge port 13. The waste cut from the guide sleeve 7 can be directly discharged through the discharge port 13; The lifting ring 8 will push the positioning column 501 to move upward together. Since the guide roller 53 on the positioning column 501 is rolled and inserted into the guide slot 521, and the guide slot 521 is inclined, the positioning column 501 will also move outward and upward along the guide slot 521 during the upward movement. The three positioning columns 501 in the same area move outward and upward synchronously away from each other, and the opening between them increases, so that the cut seal 3 can be removed and wait for the placement of a new seal 3.

[0033] By arranging three groups of placement gaskets 4 above the rotating seat 2, each group of placement gaskets 4 is surrounded by a plurality of positioning members 5 in a circular array, and cooperating with the provided lifting ring 8 and the driving ring seat 11, when the placement gaskets 4 are moved to the loading area 15 and the unloading area 17, the positioning members 5 can be automatically unlocked to facilitate the placement of the seal 3. When moving to the cutting area 16, the positioning members 5 will automatically clamp and position the seal 3 and ensure that the seal 3 is in contact with the placement gasket 4 and the support member 6 without bulging, thereby improving the subsequent cutting accuracy; By arranging a guide sleeve 7 under the placement gasket 4, an arc plate 61 is rotatably installed in the guide sleeve 7, and the arc plate 61 is engaged with the linear rod 64 through the deflection gear 63, and the linear rod 64 is fixed on the lifting ring 8. The placement gasket 4 is moved to the cutting area 16, and the arc plate 61 can support the bottom of the seal 3. The cut and separated block waste is supported by the arc plate 61 and will not tilt downward, thereby ensuring the accuracy of cutting. When moving to the unloading area 17, the arc plate 61 can rotate downward, so that the waste automatically falls and is discharged.

[0034] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0035] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0036] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A positioning device for cutting and processing a rubber sealing machine, characterized in that: It comprises a base (1), two groups of driving ring seats (11) are fixed on the upper surface of the base (1), a circular track (12) is suspended above the base (1) via a bracket, a rotating seat (2) is rotatably mounted on the circular track (12) via a track slider, three groups of circular holes distributed in a circular array are opened above the rotating seat (2), and a lifting ring (8) is provided below each circular hole for sliding up and down; Three groups of linear sliding openings (21) distributed in a circular array are provided on the outside of each circular hole. A positioning member (5) is linearly slidably installed in each group of linear sliding openings (21). The lower end of the positioning member (5) is in rolling contact with the lifting ring (8). Three groups of placement gaskets (4) distributed in an annular array are fixed above the rotating seat (2), the sealing member (3) is placed above the placement gasket (4), the inner hole of the placement gasket (4) is located directly above the circular hole, a guide sleeve (7) is fixed at the lower end of the placement gasket (4), the guide sleeve (7) is inserted into the circular hole, and three groups of support members (6) distributed in an annular array are rotatably installed in the guide sleeve (7), and the support member (6) is connected to the lifting ring (8).

2. A positioning device for cutting a rubber seal machine according to claim 1, characterized in that: A precision divider (14) is fixed on the upper surface of the base (1), and the center of the lower surface of the rotating seat (2) is connected to the output shaft of the precision divider (14).

3. A positioning device for cutting a rubber seal machine according to claim 1, characterized in that: The upper area of ​​the base (1) is divided into three equal parts: a loading area (15), a cutting area (16), and a unloading area (17), and the three circular holes are respectively located above the three areas; The base (1) is penetrated by a discharge opening (13) formed at the top and bottom. The discharge opening (13) is distributed in a fan-shaped structure, and the inner diameter of the discharge opening (13) is larger than the inner diameter of the guide sleeve (7). The guide sleeve (7) does not contact the base (1).

4. A positioning device for cutting a rubber seal machine according to claim 3, characterized in that: The axes of the two groups of drive ring seats (11) are collinear, the removed portion of the upper surface of the drive ring seat (11) forms a positioning arc portion (111), and the unremoved portion forms an unlocking arc portion (112), the arc length of the positioning arc portion (111) is one third of the arc length of the drive ring seat (11), and the positioning arc portion (111) is within the cutting area (16).

5. A positioning device for cutting a rubber sealing machine according to claim 1, characterized in that: The placement ring (4) is provided with three groups of linear notches (41) in a circular array, and the three groups of linear notches (41) are respectively located directly above the three linear sliding openings (21); The positioning member (5) includes a positioning column (501) linearly slidably mounted in the linear notch (41) and the linear sliding mouth (21), a mounting screw (502) is welded to the top end of the positioning column (501), a clamping plate (503) is fixed to the mounting screw (502) via a nut, a pressure head (505) is fixed below the inner end of the clamping plate (503), an abutment plate (504) is also mounted on the mounting screw (502) via a nut, and the clamping plate (503) and the abutment plate (504) are both penetrated from top to bottom to form a strip-shaped opening.

6. A positioning device for cutting a rubber sealing machine according to claim 5, characterized in that: Three groups of guide members are arranged in a circular array below the circular hole of each rotating seat (2), and each group of guide members includes two guide plates (52) symmetrically distributed on the outside of the positioning column (501), and the two guide plates (52) are welded to the outer ring surface of the guide sleeve (7). A guide groove (521) is provided on the guide plate (52), and the guide groove (521) is inclined, and its height gradually decreases from the outside to the inside; A plurality of guide rollers (53) are rotatably mounted on the positioning column (501) via an axle pin, and the guide rollers (53) are rollingly inserted into the guide chute (521). A support wheel (51) is rotatably mounted on the bottom end of the positioning column (501) via an axle pin, and the support wheel (51) is in rolling contact with the upper surface of the lifting ring (8).

7. A positioning device for cutting a rubber seal machine according to claim 6, characterized in that: The surfaces of the two guide plates (52) on one side away from the positioning column (501) are both connected to a tension spring (54) via a hook, and the other end of the tension spring (54) is connected to the axle pin of the guide roller (53). The tension spring (54) makes the guide roller (53) always have a tendency to move inward.

8. The positioning device for cutting a rubber seal machine according to claim 1, characterized in that: Three groups of mounting notches (71) distributed in an annular array are provided above the outer ring of the guide sleeve (7), and a mounting frame (72) is fixed on the inner wall on both sides of each mounting notch (71). The support member (6) includes a mounting shaft frame (62) mounted between the two mounting frames (72) by rotation, and an arc plate (61) is fixed to the upper end of the inward side of the mounting shaft frame (62), and a deflection gear (63) is fixed on the mounting shaft frame (62).

9. A positioning device for cutting a rubber seal machine according to claim 8, characterized in that: Three groups of linear rods (64) distributed in a circular array are fixed on the lifting ring (8), and a driving tooth portion (641) is provided on the inner side above the linear rod (64). The three groups of driving tooth portions (641) are respectively engaged with the three deflection gears (63).

10. A positioning device for cutting a rubber sealing machine according to claim 1, characterized in that: Four groups of lifting wheels (82) distributed in a circular array are fixed to the bottom end of the lifting ring (8), and three groups of through-holes distributed in a circular array are opened on the lifting ring (8), and a lifting guide rod (81) is inserted into the through-hole for sliding up and down. The top end of the lifting guide rod (81) is fixed to the lower surface of the rotating seat (2), and the four lifting wheels (82) are in rolling contact with the upper surfaces of the two groups of driving ring seats (11) respectively.

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