Sealing ring grabbing and implanting device

Abstract

The utility model relates to the field of injection molds, in particular to a sealing ring grabbing and implanting device which comprises a fixing sleeve, an ejection sleeve and a driving assembly connected with the fixing sleeve, the fixing sleeve is used for being fixed to an external object, the ejection sleeve is connected with the output end of the driving assembly, and the driving direction of the driving assembly is in the axis direction of the fixing sleeve. The ejection sleeve is arranged outside the fixed sleeve in a sleeving mode, the ejection sleeve is in sliding connection with the fixed sleeve, and the ejection sleeve is used for pushing the sealing ring arranged outside the fixed sleeve in a sleeving mode. The driving piece drives the ejection sleeve to slide relative to the fixed sleeve, the ejection sleeve pushes the sealing ring to leave the fixed sleeve and then is installed in the installation position of the injection mold, and therefore automatic implantation of the sealing ring is completed, the device replaces existing manual implantation of the sealing ring, automatic implantation of the sealing ring is achieved, production efficiency is greatly improved, and labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold field, more specifically, relate to a sealing ring to catch implantation device. BACKGROUND

[0002] PVC ball valve because its excellent corrosion resistance and cost effectiveness, are widely used in petroleum and natural gas industry, chemical industry, construction industry, etc., the both sides of PVC ball valve are equipped with sealing ring to ensure the sealing property of valve body, in the production of PVC ball valve, usually need to install sealing ring on injection mold first, then carry out injection insert molding.

[0003] However, in terms of current production practice, the installation work of sealing ring often still depends on manual operation to complete, manual installation sealing ring not only requires that operating personnel have higher proficiency and patience, also need to spend a lot of time and energy, on the fast-paced production line, this kind of relying on manual process is easy to become the bottleneck link in the whole production process, lead to production efficiency is difficult to improve. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the prior art needs to rely on manual sealing ring implantation, lead to the problem of low production efficiency, provide a sealing ring to catch implantation device, can realize the automatic implantation of sealing ring, improve production efficiency.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of:

[0006] Provide a kind of sealing ring to catch implantation device, including fixed sleeve, ejection sleeve and with the drive assembly of fixed sleeve connection, the fixed sleeve is used to be fixed to external object, the ejection sleeve is connected with the output end of drive assembly, the drive direction of drive assembly is along the axial direction of fixed sleeve, the ejection sleeve is sleeved on the outside of fixed sleeve, the ejection sleeve is slidably connected with fixed sleeve, and the ejection sleeve is used to push the sealing ring that is sleeved on the outside of fixed sleeve.

[0007] The utility model discloses a sealing ring catches and implants the device, fixed sleeve and mechanical arm fixed connection, when the device carries out the catching sealing ring procedure, the mechanical hand will control the loading end of fixed sleeve to align the inner ring of sealing ring, and directly press into, make sealing ring from the one end of fixed sleeve suit, because sealing ring has certain deformability, therefore, sealing ring will produce deformation and be tightly wrapped in the outside of fixed sleeve, to complete the catching of sealing ring, subsequently, the mechanical hand controls fixed sleeve and aligns and approaches the installation position of injection mold, then carries out the implantation procedure of sealing ring, at this time, drive part starts, and sliding of push-on sleeve relative to fixed sleeve is pushed, and push-on sleeve contacts the sealing ring that is suitably wrapped in the outside of fixed sleeve and will push sealing ring and move, until sealing ring leaves fixed sleeve and installs in the installation position of injection mold, to complete the implantation procedure of sealing ring, the device replaces the present manual implantation sealing ring, realizes the automatic implantation of sealing ring, greatly improves production efficiency, and reduces manpower cost.

[0008] Further, the driving assembly includes a locking member, a driving member, and a connecting member fixedly connected to an output end of the driving member, the driving member is fixed in the inner cavity of the fixed sleeve through the locking member, and the connecting member is connected with the push-on sleeve. The driving member is fixed in the inner cavity of the fixed sleeve through the locking member, which provides protection for the driving member and makes the whole device more simple and beautiful. The driving member drives the push-on sleeve to slide through the connecting member, and drives the sealing ring to implant into the mold.

[0009] Further, the connecting member includes a sliding block and a push rod fixedly connected to the sliding block, the sliding block is in sliding connection with the inner wall of the fixed sleeve, a straight slot extending in the axial direction is formed in the side wall of the fixed sleeve, one end of the push rod is connected to the sliding block, and the other end of the push rod passes through the straight slot and is connected to the push-on sleeve. The sliding block is in sliding connection with the inner wall of the fixed sleeve, which provides support for the connecting member and makes the device more stable. The driving member drives the sliding block to slide, thereby driving the push rod to move. The push rod drives the push-on sleeve connected thereto to slide, thereby pushing the sealing ring to implant.

[0010] Further, the side wall of the push-on sleeve is provided with a bushing, and the push rod is inserted into the bushing. When the push rod moves along the axial direction, the push-on sleeve can slide. The bushing facilitates the installation and disassembly of the push rod, and is more convenient.

[0011] Further, the one end of the fixed sleeve into which the sealing ring is fitted is further provided with a plurality of limiting members, and one end of the limiting member is higher than the outer wall of the fixed sleeve. When the catching procedure of the sealing ring is performed, the sealing ring is fitted into the one end of the fixed sleeve. The sealing ring will deform under the action of the pushing force and pass through the limiting members, and then restore the original shape. At this time, the limiting members can provide axial limiting for the sealing ring to prevent the sealing ring from falling off.

[0012] Further, the limiting member comprises an elastic part and a limiting part, the limiting part is connected with one end of the elastic part, the limiting part is at least partially located outside the fixed sleeve and slides relative to the fixed sleeve; the elastic part is installed in the fixed sleeve and the elastic force direction is along the radial direction of the fixed sleeve. When the sealing ring passes through the elastic part, the elastic part is compressed, the resistance of the sealing ring is reduced, the sealing ring is prevented from excessive deformation, when the sealing ring leaves the elastic part, the elastic part is reset, the outer end of the elastic part is higher than the outer wall of the fixed sleeve again, the sealing ring is limited in the axial direction, and the sealing ring is prevented from falling off the fixed sleeve, when the implantation process of the sealing ring is performed, the sealing ring passes through the elastic part under the pushing of the ejection sleeve, the elastic part is compressed and shrunk into the fixed sleeve, and the sealing ring is smoothly implanted into the mold.

[0013] Further, the limiting member is a ball head spring jack, a plurality of threaded holes are formed in the side wall of the fixed sleeve, the ball head spring jack is threadedly connected with the threaded holes, and the ball head of the ball head spring jack is at least partially located outside the fixed sleeve. When the sealing ring passes through the ball head of the ball head spring jack, the ball head is sunk and presses the spring, the resistance of the sealing ring is reduced, when the sealing ring leaves, the spring pushes the ball head to reset, the threaded connection is convenient to disassemble and assemble, the ball head spring jack is used as a standard part, and when maintenance or replacement is needed, the ball head spring jack can be quickly disassembled, and convenience is better.

[0014] Further, the limiting members are uniformly distributed along the circumference of the fixed sleeve. The limiting members are uniformly distributed, the force of the limiting members is uniformly distributed when the sealing ring is pressed in, deviation of the sealing ring due to uneven force is avoided, and therefore the sealing ring can be accurately installed into the mold.

[0015] Further, the driving member is a gas cylinder.

[0016] Further, the fixed sleeve is also provided with a plurality of fixing holes, and the axis of the fixing hole is parallel to the axis of the fixed sleeve. Through the fixing hole, the fixed sleeve can be installed on an external object, and disassembly and assembly are facilitated. When the device needs to be replaced or maintained, the device can be quickly disassembled and assembled, and convenience is better.

[0017] Compared with the prior art, the device has the following beneficial effects:

[0018] 1. The driving member drives the ejection sleeve to slide relative to the fixed sleeve, the ejection sleeve pushes the sealing ring to leave the fixed sleeve and is installed in the installation position of the injection mold, so that the automatic implantation of the sealing ring is completed. The device replaces manual implantation of the sealing ring, realizes automatic implantation of the sealing ring, greatly improves production efficiency, and reduces labor cost.

[0019] 2、The setting of the ejection rod and the sliding block, the sliding block is in sliding connection with the inner wall of the fixed sleeve, and support is provided for the connecting piece, better stability, and the ejection rod is used for transmitting driving force, and both ends of the ejection rod are connected with the ejection sleeve, so that the ejection sleeve is more uniform in stress and more stable in movement;

[0020] 3、The setting of the limiting piece provides axial limitation for the sealing ring, prevents the sealing ring from being separated from the fixed sleeve, and causes the sealing ring to be unable to be accurately installed on the mold;

[0021] 4、The setting of the elastic part can reduce the resistance of the sealing ring when the sealing ring passes through the elastic part, and the elastic part can reset to limit the sealing ring after the sealing ring completely passes through the elastic part. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure schematic view of a sealing ring grabbing implantation device;

[0023] Figure 2 It is a structure schematic view of a sealing ring grabbing implantation device;

[0024] Figure 3 It is a structure schematic view of a sealing ring grabbing implantation device from another perspective;

[0025] Figure 4 It is a working state schematic view of a sealing ring grabbing implantation device;

[0026] Figure 5 It is a structure schematic view of a ball head spring top wire.

[0027] In the drawings: 100, fixed sleeve; 110, straight groove; 120, fixed hole; 200, driving assembly; 210, locking piece; 220, driving piece; 230, connecting piece; 231, sliding block; 232, ejection rod; 300, ejection sleeve; 310, insertion hole; 400, limiting piece; 410, elastic part; 420, limiting part; 500, sealing ring; 600, installation position; 700, mechanical arm connecting plate. DETAILED DESCRIPTION

[0028] The utility model will be further explained in combination with specific implementation. Among them, the drawings are only used for example explanation, and the representation is only a schematic view, and not a physical picture, and it cannot be understood as the limitation of the patent; in order to better explain the embodiment of the utility model, some components of the drawings will be omitted, enlarged or reduced, and the size of the actual product is not represented; for those skilled in the art, it is understandable that some known structures and their description in the drawings can be omitted.

[0029] In the accompanying drawings of this utility model, the same or similar reference numerals correspond to the same or similar components. In the description of this utility model, it should be understood that if terms such as "upper," "lower," "left," and "right" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, they are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the terms used to describe positional relationships in the drawings are only for illustrative purposes and should not be construed as limiting this patent. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0030] Example 1

[0031] A sealing ring grasping and implantation device, such as Figures 1-4 As shown, the system includes a fixed sleeve 100, an ejector sleeve 300, and a drive assembly 200 connected to the fixed sleeve 100. Four fixing holes 120 are evenly distributed circumferentially at one end of the fixed sleeve 100. The axes of the fixing holes 120 are parallel to the axis of the fixed sleeve 100. The fixed sleeve 100 is threaded to the robotic arm connecting plate 700 through the fixing holes 120. Alternatively, it can be a detachable connection such as a pin connection or a snap-fit ​​connection. The drive assembly 200 includes a locking member 210, a drive member 220, and a connector 230 fixedly connected to the output end of the drive member 220. The drive member 220 is fixed to the inner cavity of the fixed sleeve 100 by the locking member 210. In this embodiment, the locking member 210 is a fastening nut, and the drive member 220 is a single-acting cylinder. Furthermore, the drive member... 220 can also be a hydraulic cylinder, electric cylinder, etc. The driving direction of the driving component 220 is along the axial direction of the fixed sleeve 100. The ejector sleeve 300 is fitted on the outside of the fixed sleeve 100 and is slidably connected to the fixed sleeve 100. Two insertion holes 310 are respectively opened on the opposite sides of the ejector sleeve 300. The ejector sleeve 300 is used to push the sealing ring 500 fitted on the outside of the fixed sleeve 100. The connecting component 230 includes a slider 231 and an ejector rod 232 fixedly connected to the slider 231. The slider 231 is slidably connected to the inner wall of the fixed sleeve 100. Two straight grooves 110 extending in the axial direction are respectively opened on the opposite sides of the fixed sleeve 100. The two ends of the ejector rod 232 pass through the two straight grooves 110 and are inserted into the two insertion holes 310.

[0032] The working principle of this embodiment is as follows:

[0033] The utility model discloses a sealing ring catches and implants the device, fixed sleeve 100 is fixedly connected with mechanical arm, when the device carries out the catching sealing ring 500 process, mechanical hand will control the loading end of fixed sleeve 100 to align the inner ring of sealing ring 500, and directly press into, make sealing ring 500 from the one end of fixed sleeve 100 into, because sealing ring 500 has certain elasticity, therefore sealing ring 500 will produce deformation and be tightly wrapped in the outside of fixed sleeve 100, to complete the catching of sealing ring 500, subsequently mechanical arm controls fixed sleeve 100 and aligns and approaches the installation position 600 of injection mold, then carries out the implanting process of sealing ring 500, at this time, drive piece 220 starts, and drive slide 231 slides in the inner wall of fixed sleeve 100, to drive ejector rod 232 movement, and ejector rod 232 is inserted with the insertion hole 310, therefore the movement of ejector rod 232 will drive the sliding of ejector sleeve 300 relative to fixed sleeve 100, when ejector sleeve 300 contacts the sealing ring 500 that is wrapped in the outside of fixed sleeve 100, will push sealing ring 500 and move, until sealing ring 500 leaves fixed sleeve 100 and is loaded into the installation position 600 of injection mold, to complete the implanting process of sealing ring 500, the device replaces the artificial implanting sealing ring 500 of present, realizes the automatic implanting of sealing ring 500, greatly improves production efficiency, reduces manpower cost, and drive piece 220 is fixed in the inner chamber of fixed sleeve 100 through locking piece 210, provides protection for drive piece 220, and the whole is more simple and beautiful, and both ends of ejector rod 232 are connected with ejector sleeve 300, make the stress of ejector sleeve 300 more uniform, movement is more stable, and the setting of insertion hole 310 also facilitates the installation and dismounting of ejector rod 232.

[0034] In addition, as shown in the figure, Figure 4 Two implanting devices can be fixed on the mechanical arm connecting plate 700, so that the sealing rings of two molds can be implanted at the same time. In addition, according to actual needs, the number of implanting devices can be more, so that the sealing rings of multiple molds can be implanted at the same time.

[0035] Embodiment two

[0036] This embodiment is a second embodiment of a sealing ring catching and implanting device. This embodiment is similar to embodiment one, except that, as shown in the figure, Figure 1 The one end of the fixed sleeve 100 that loads the sealing ring 500 is also provided with a plurality of limiting pieces 400. In this embodiment, the limiting pieces 400 are limiting protrusions, and one end of the limiting protrusions is higher than the outer wall of the fixed sleeve 100.

[0037] The working principle of this embodiment is as follows:

[0038] When the sealing ring grabbing process is performed, the sealing ring 500 is sleeved from one end of the fixed sleeve 100. Since the sealing ring 500 itself has deformability, the sealing ring 500 will be deformed under the action of the pushing force and pass through the limiting protrusions, and then the sealing ring 500 will restore the original shape. At this time, the limiting protrusions can provide limiting in the axial direction for the sealing ring 500, prevent the sealing ring 500 from falling off, and ensure that the sealing ring 500 can be smoothly installed on the mold.

[0039] In addition, the limiting member 400 can also be a plurality of balls installed on the outer wall of the fixed sleeve 100. The balls are in rolling connection with the outer wall of the fixed sleeve 100. The balls can effectively reduce the resistance of the sealing ring 500 when passing through the protruding member, and at the same time can provide limiting in the axial direction for the sealing ring 500, prevent the sealing ring 500 from falling off, and ensure that the sealing ring 500 can be smoothly installed on the mold.

[0040] Embodiment three

[0041] This embodiment is a third embodiment of a sealing ring grabbing implantation device. This embodiment is similar to the first embodiment and the second embodiment, except that, as shown in Figure 1 , Figure 3 and Figure 5 , the fixed sleeve 100 sleeved with the sealing ring 500 at one end is further provided with six limiting members 400 uniformly distributed in the circumferential direction. Each limiting member 400 includes an elastic part 410 and a limiting part 420. The limiting part 420 is connected with one end of the elastic part 410. The limiting part 420 is at least partially located outside the fixed sleeve 100 and slides relative to the fixed sleeve 100. The elastic part 410 is installed inside the fixed sleeve 100 and the elastic force direction is along the radial direction of the fixed sleeve 100. As shown in Figure 5 , in this embodiment, the limiting member 400 is a ball head spring jack. The ball head of the ball head spring jack is the limiting part 420. The spring of the ball head spring jack is the elastic part 410. The side wall of the fixed sleeve 100 is provided with a plurality of threaded holes. The ball head spring jack is in threaded connection with the threaded holes. The ball head of the ball head spring jack is at least partially located outside the fixed sleeve 100.

[0042] The working principle of this embodiment is as follows:

[0043] When the sealing ring 500 passes through the ball head of the ball head spring jack, the sealing ring 500 exerts pressure on the ball head, the ball head is sunk and extrudes the spring, the resistance of the sealing ring 500 can be reduced, when the sealing ring 500 leaves, the spring pushes the ball head to reset, at this time, one end of the ball head is higher than the outer wall of the fixed sleeve 100, the spring jack can provide the sealing ring 500 with axial limiting, prevent the sealing ring 500 from being taken out, ensure that the sealing ring 500 can be smoothly installed on the mold, the ball head spring jack and the fixed sleeve 100 are in threaded connection, convenient to disassemble, the ball head spring jack is used as a standard part, when the ball head spring jack needs to be repaired or replaced, the ball head spring jack can be quickly disassembled, and the convenience is better.

[0044] In the specific contents of the above specific embodiments, each technical feature can be combined arbitrarily without contradiction, in order to make the description simple, not all possible combinations of the above technical features are described, however, as long as the combination of the technical features does not exist contradiction, it should be considered as the scope of the present application.

[0045] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or variations can be made. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A sealing ring grasping and implantation device, characterized in that, The device includes a fixed sleeve (100), an ejector sleeve (300), and a drive assembly (200) connected to the fixed sleeve (100). The fixed sleeve (100) is used to fix to an external object. The ejector sleeve (300) is connected to the output end of the drive assembly (200). The drive direction of the drive assembly (200) is along the axial direction of the fixed sleeve (100). The ejector sleeve (300) is fitted outside the fixed sleeve (100) and is slidably connected to the fixed sleeve (100). The ejector sleeve (300) is used to push the sealing ring (500) fitted outside the fixed sleeve (100).

2. The sealing ring grasping and implantation device according to claim 1, characterized in that, The drive assembly (200) includes a locking member (210), a drive member (220), and a connector (230) fixedly connected to the output end of the drive member (220). The drive member (220) is fixed to the inner cavity of the fixed sleeve (100) by the locking member (210), and the connector (230) is connected to the ejector sleeve (300).

3. The sealing ring grasping and implantation device according to claim 2, characterized in that, The connector (230) includes a slider (231) and an ejector rod (232) fixedly connected to the slider (231). The slider (231) is slidably connected to the inner wall of the fixed sleeve (100). The side wall of the fixed sleeve (100) is provided with a straight groove (110) extending in the axial direction. One end of the ejector rod (232) is connected to the slider (231), and the other end passes through the straight groove (110) and is connected to the ejector sleeve (300).

4. The sealing ring grasping and implantation device according to claim 3, characterized in that, The side wall of the ejector sleeve (300) is provided with an insertion hole (310), and the ejector rod (232) is inserted into the insertion hole (310).

5. The sealing ring grasping and implantation device according to claim 1, characterized in that, The fixed sleeve (100) is fitted with a number of limiting members (400) at one end of the sealing ring (500), and one end of the limiting member (400) is higher than the outer wall of the fixed sleeve (100).

6. The sealing ring grasping and implantation device according to claim 5, characterized in that, The limiting member (400) includes an elastic part (410) and a limiting part (420). The limiting part (420) is connected to one end of the elastic part (410). The limiting part (420) is at least partially located outside the fixed sleeve (100) and slides relative to the fixed sleeve (100). The elastic part (410) is installed inside the fixed sleeve (100) and the elastic force direction is along the radial direction of the fixed sleeve (100).

7. The sealing ring grasping and implantation device according to claim 6, characterized in that, The limiting component (400) is a ball-head spring set screw. The side wall of the fixing sleeve (100) is provided with several threaded holes. The ball-head spring set screw is threadedly connected to the threaded holes. The ball head of the ball-head spring set screw is at least partially located outside the fixing sleeve (100).

8. A sealing ring grasping and implantation device according to claim 7, characterized in that, The limiting member (400) is evenly distributed along the circumference of the fixed sleeve (100).

9. A sealing ring grasping and implantation device according to any one of claims 2-4, characterized in that, The drive component (220) is a cylinder.

10. A sealing ring grasping and implantation device according to any one of claims 1-8, characterized in that, The fixing sleeve (100) is also provided with a plurality of fixing holes (120), the axis of the fixing holes (120) being parallel to the axis of the fixing sleeve (100).

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