Valve flange drilling device

Abstract

The invention relates to the technical field of valve flange drilling, in particular to a valve flange drilling device which comprises a stabilizing assembly used for fixing a flange to be drilled, the stabilizing assembly comprises a rotating plate arranged in a cavity, a plurality of sets of extrusion faces are arranged on the surface of the rotating plate at equal intervals, and a fixing piece is inserted into the rotating plate. The surface of the rotating plate is provided with two sets of driving grooves which are arranged at equal intervals from shallow to deep, vertical rods are arranged in the driving grooves, the upper ends of the vertical rods are fixedly connected with circular plates, the circular plates are arranged in the guide rings, the surface of the rotating plate is in sliding fit with multiple sets of moving clamps, and the surfaces of the moving clamps are sleeved with supporting rods; and a fixing plate is fixedly mounted at the upper end of the supporting rod. Through cooperative use of all the parts, the valve flange can be fixed and automatically shifted in the drilling process, and the drilling precision and quality are guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of valve flange drilling, in particular to a valve flange drilling device. Background Art

[0002] Valve flanges are mainly used for connections between pipe ends. They are also used on equipment inlets and outlets to connect two devices.

[0003] In the production process of valve flanges, a key step is to accurately drill holes on their end faces. However, in some factories with a low degree of automation, traditional methods are still used to drill holes in flanges. If semi-mechanical methods are used, the flanges will shake during the drilling process, affecting the drilling quality and accuracy of the flanges and reducing production efficiency. Summary of the invention

[0004] The object of the present invention is to provide a valve flange drilling device to solve the problem that the traditional drilling method in the prior art mentioned in the above background technology affects the drilling accuracy and quality, resulting in low production efficiency.

[0005] To achieve the above object, the present invention provides the following technical solutions: a valve flange drilling device, comprising a carrier, wherein a notch is provided on the upper surface of the carrier, a drilling module is provided directly above the carrier, a cylinder is fixedly installed on the upper end of the drilling module, and the upper end of the cylinder is fixed by a bracket, a bearing plate is provided between the carrier and the drilling module, a cavity is provided inside the bearing plate, and a guide ring connected to the cavity is fixedly installed on the surface of the bearing plate; And a stabilizing component for fixing the flange to be drilled, the stabilizing component includes a rotating plate arranged inside the cavity, and the rotating plate is rotatably connected to the bottom surface of the cavity by a torsion spring, a plurality of groups of extrusion surfaces are equidistantly provided on the surface of the rotating plate, a fixing piece is inserted inside the rotating plate, two groups of driving grooves equidistantly provided on the surface of the rotating plate from shallow to deep, a vertical rod is provided inside the driving groove, a circular plate is fixedly connected to the upper end of the vertical rod, and the circular plate is arranged inside the guide ring, a plurality of groups of movable clamps are slidably matched on the surface of the rotating plate, a support rod is sleeved on the surface of the movable clamp, and a fixing plate is fixedly installed on the upper end of the support rod.

[0006] Furthermore, a retractable push rod is provided directly above the guide ring, and the upper end of the push rod is fixedly connected to the lower surface of the drilling module, the upper surface of the supporting plate is penetrated by a plurality of groups of equidistantly arranged strip grooves, a limiting rod is fixedly installed inside the strip groove, the inner wall of the supporting plate is provided with a guide groove, and a deep hole is provided at the end of the guide groove.

[0007] Furthermore, the fixing part includes a round rod inserted into the inside of the rotating plate, a metal plate is fixedly installed on the lower end of the round rod, and the metal plate is elastically connected to the bottom surface of the rotating plate through a connecting spring, an electromagnet is magnetically matched below the metal plate, and the electromagnet is arranged directly below the deep hole, and the electromagnet is fixedly installed on the bottom surface of the cavity.

[0008] Furthermore, the upper end of the round rod is arranged inside the guide groove, and the round rod is slidably matched with the inner wall of the guide groove, and the upper end of the round rod is plug-fitted with the deep hole.

[0009] Furthermore, a ball is movably connected to the lower end of the vertical rod, and the surface of the ball contacts the bottom surface of the driving groove.

[0010] Furthermore, the upper end of the support rod penetrates through the interior of the strip groove and extends to the outside, and the support rod is elastically connected to the movable clamp through a reset spring. A through hole is opened and closed through the surface of the support rod, and the through hole is slidably matched with the limit rod.

[0011] Furthermore, it also includes a shifting component for changing the position of the flange to be drilled, the shifting component includes a driven rod fixedly installed directly below the bearing plate, and the lower end of the driven rod penetrates through the interior of the rotating plate and extends to the interior of the recess, and the lower end of the driven rod is elastically connected to the bottom surface of the recess through a circular spring, two groups of convex rods are elastically installed on the surface of the driven rod, a sliding rod is slidably connected to the interior of the driven rod, and the lower end of the sliding rod is fixedly connected to the bottom surface of the recess, the surface of the driven rod is sleeved with a sleeve, and the inner wall of the sleeve is provided with a plurality of groups of rotating grooves at equal intervals.

[0012] Furthermore, the upper end of the sleeve is fixedly connected to the lower surface of the bearing plate, the sleeve is inserted into the inside of the recess, and the sleeve is rotationally matched with the inner wall of the recess.

[0013] Furthermore, the rotating groove is composed of a group of vertical grooves and a group of arc grooves, and the arc grooves are opened from bottom to top from deep to shallow, the depth of the arc groove is greater than the depth of the vertical groove, the upper end of the arc groove is smoothly connected to the upper end of the vertical groove, and the lower end of the arc groove is connected to the lower end of the vertical groove to form a stepped structure.

[0014] Compared with the known prior art, the technical solution provided by the present invention has the following beneficial effects: 1. The present invention provides a rotating plate, a vertical rod, a support rod and other components that cooperate with each other, so that when drilling a hole in the flange, when the drilling module moves downward, it will drive the push rod to start pressing the circular plate downward first, so that the vertical rod moves downward synchronously through the ball bearing and starts to squeeze and cooperate with the driving groove, so that the rotating plate rotates, starts to squeeze multiple groups of moving clamps and drives the fixed plate to expand outward through the support rod, contacts the inner wall of the flange, fixes the flange, and makes the flange remain stable during the drilling process, thereby ensuring the quality and accuracy of the drilling.

[0015] 2. The present invention sets up components such as a driven rod, a sliding rod and a rotating groove that cooperate with each other, so that when the flange is fixed, the driven rod will move downward synchronously and drive the convex rod from the upper end of the vertical groove to enter the lower end of the arc groove, and the circular spring will be compressed. After the drilling is completed, as the drilling module moves upward, the convex rod will move upward in the arc groove, so that the sleeve starts to drive the supporting plate to rotate, and then drives the flange on the surface of the supporting plate to start rotating, thereby achieving the purpose of transposition, making the distance between the drilled holes on the flange surface the same, and ensuring the accuracy of the drilling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art descriptions. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 for Figure 1 Schematic diagram of the planar structure; Figure 3 It is a schematic diagram of the structure of the bearing plate of the present invention; Figure 4 for Figure 3 A schematic cross-sectional structure diagram of ; Figure 5 for Figure 4 A schematic diagram of the structure enlargement in the middle; Figure 6 It is a schematic diagram of the structure of the stabilizing assembly of the present invention; Figure 7 for Figure 6 A magnified schematic diagram of the structure at B in the middle; Figure 8 It is a schematic diagram of the rotating plate structure of the present invention; Fig. 9 It is a cross-sectional schematic diagram of the transposition assembly of the present invention.

[0018] In the figure: 1. carrier; 101. notch; 2. drilling module; 3. cylinder; 4. bearing plate; 401. guide ring; 4011. push rod; 402. strip groove; 403. limit rod; 404. guide groove; 405. deep hole; 5. stabilizing assembly; 501. rotating plate; 5011. round rod; 5012. metal plate; 5013. electromagnet; 502. driving groove; 503. vertical rod; 5031. ball; 504. round plate; 505. movable clamp; 506. support rod; 507. fixed plate; 6. transposition assembly; 601. driven rod; 602. convex rod; 603. sliding rod; 604. sleeve; 605. rotating groove. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0020] The present invention will be further described below in conjunction with the embodiments.

[0021] Embodiment: A valve flange drilling device, such as Figure 1-Figure 9 As shown, it includes a carrier 1, and a notch 101 is provided on the upper surface of the carrier 1, and the notch 101 can play a positioning role; a drilling module 2 is provided directly above the carrier 1, and the drilling module 2 is a prior art, which can drill holes in the valve flange; a cylinder 3 is fixedly installed on the upper end of the drilling module 2, and the upper end of the cylinder 3 is fixed by a bracket. By setting the cylinder 3, the lifting and lowering of the drilling module 2 can be controlled, thereby realizing the drilling of the flange; it is worth noting that the bracket is a prior art and is not shown in the figure; Among them, a bearing plate 4 is provided between the carrier 1 and the drilling module 2, and a cavity is provided inside the bearing plate 4, and the bearing plate 4 is provided to carry the valve flange to be drilled; a guide ring 401 connected to the cavity is fixedly installed on the surface of the bearing plate 4, and the guide ring 401 is provided to play a guiding role; a retractable push rod 4011 is provided directly above the guide ring 401, and the upper end of the push rod 4011 is fixedly connected to the lower surface of the drilling module 2, and the push rod 4011 is provided to move synchronously with the drilling module 2; it is worth mentioning that the lower end of the push rod 4011 is inserted into the inside of the guide ring 401, and the push rod 4011 is set to be retractable, so that when drilling the valve flange, as the drilling module 2 moves downward, the push rod 4011 is driven to shrink, ensuring that the valve flange can be drilled smoothly; Among them, the upper surface of the supporting plate 4 is penetrated by multiple groups of equidistantly arranged strip grooves 402, and the inner part of the strip grooves 402 is fixedly installed with a limiting rod 403. By setting the strip grooves 402 and the limiting rods 403, the guiding and limiting functions can be achieved; the inner wall of the supporting plate 4 is provided with a guide groove 404, and the guide groove 404 is an arc structure. A deep hole 405 is provided at the end of the guide groove 404. By providing the guide groove 404 and the deep hole 405, the guiding and positioning purposes can be achieved.

[0022] Combined with Figure 1 -Attached Fig. 9 By setting a stabilizing component 5 for fixing the flange to be drilled, the valve flange can be fixed during the drilling process to ensure the quality and accuracy of the drilling; the stabilizing component 5 includes a rotating plate 501 arranged inside the cavity, and the rotating plate 501 is rotatably connected to the bottom surface of the cavity through a torsion spring. By setting the rotating plate 501, it can be rotated to drive other components to move, so as to fix the valve flange to be drilled; the surface of the rotating plate 501 is provided with multiple groups of extrusion surfaces equidistantly arranged, and by providing the extrusion surfaces, it can be extruded and matched with other components to achieve the driving function.

[0023] Among them, combined with Figure 3 -Attached Figure 7 A fixing piece is inserted into the interior of the rotating plate 501. By setting the fixing piece, the rotating rotating plate 501 can be fixed to prevent the rotating plate 501 from being vibrated and deflected during the drilling process of the valve flange; the fixing piece includes a round rod 5011 inserted into the interior of the rotating plate 501, the upper end of the round rod 5011 is arranged inside the guide groove 404, and the round rod 5011 is slidably matched with the inner wall of the guide groove 404, and the upper end of the round rod 5011 is plugged and matched with the deep hole 405. By setting the round rod 5011, it can rotate synchronously with the rotating plate 501 and slide inside the guide groove 404; The lower end of the round rod 5011 is fixedly mounted with a metal plate 5012, and the metal plate 5012 is elastically connected to the bottom surface of the rotating plate 501 through a connecting spring. By setting the metal plate 5012, it can play a limiting role, and by setting the connecting spring, the reaction force generated by its deformation can drive the round rod 5011 to rise; it is worth noting that in the initial state of the connecting spring, that is, the upper end of the round rod 5011 is located inside the guide groove 404 and is in a compressed state; the lower part of the metal plate 5012 is magnetically matched with an electromagnet 5013 , and the electromagnet 5013 is arranged directly below the deep hole 405, and the electromagnet 5013 is fixedly installed on the bottom surface of the cavity. By setting the electromagnet 5013, the movement of the round rod 5011 can be controlled by energizing it; it is worth noting that the electromagnet 5013 and the metal plate 5012 are installed in a staggered manner, and the electromagnet 5013 is electrically connected to an external power supply. After the flange drilling is completed, as the drilling module 2 is reset, the electromagnet 5013 will start to be energized, sucking the metal plate 5012, so that the rotating plate 501 is moved out from the deep hole 405; Among them, the surface of the rotating plate 501 is provided with two groups of equally spaced driving grooves 502 from shallow to deep, and a vertical rod 503 is provided inside the driving groove 502. The lower end of the vertical rod 503 is movably connected with a ball 5031, and the surface of the ball 5031 contacts the bottom surface of the driving groove 502. By setting the driving groove 502 and the vertical rod 503, the cooperation of the two, that is, the downward movement of the vertical rod 503, can squeeze the driving groove 502, so that the rotating plate 501 rotates; it is worth mentioning that by setting the ball 5031, the friction between the vertical rod 503 and the driving groove 502 can be reduced; and the lower end of the vertical rod 503 is located at the shallowest part of the driving groove 502 in the initial state; the upper end of the vertical rod 503 is fixedly connected with a circular plate 504, and the circular plate 504 is arranged inside the guide ring 401. By setting the circular plate 504, it can play a connecting role, and can also move downward under the action of the top rod 4011, thereby driving the vertical rod 503 to move synchronously.

[0024] Among them, the surface of the rotating plate 501 is slidably matched with multiple sets of mobile clamps 505. By setting the mobile clamps 505, they can cooperate with the extrusion surfaces opened on the surface of the rotating plate 501, so that when the rotating plate 501 rotates, it can squeeze the mobile clamps 505 to move outward; the surface of the mobile clamps 505 is sleeved with a support rod 506, the upper end of the support rod 506 penetrates the interior of the strip groove 402 and extends to the outside, and the support rod 506 is elastically connected to the mobile clamps 505 through a return spring. By setting the support rod 506 and the return spring, the mobile clamps 505 can drive the support rods 506 to move synchronously; it is worth noting that when the rotating plate 501 squeezes the mobile clamps 505 to move, The reset spring will be stretched, and the reset spring will only be stretched when the support rod 506 is blocked, as the rotating plate 501 rotates; a through hole is penetrated and opened on the surface of the support rod 506, and the through hole is slidably matched with the limit rod 403. By setting the through hole and the limit rod 403 to cooperate with each other, the support rod 506 can be limited, and at the same time, the support rod 506 can be prevented from tilting and becoming unable to move; a fixing plate 507 is fixedly installed on the upper end of the support rod 506, and the fixing plate 507 is an arc-shaped structure. By setting the fixing plate 507, it can move synchronously with the support rod 506 and contact the inner wall of the valve flange to be opened, thereby achieving the purpose of fixing.

[0025] Combined with Figure 1 -Attached Fig. 9 , and also includes a transposition component 6 for changing the position of the flange to be drilled, so that after the valve flange drilling is completed, when the drilling module 2 rises and returns to its original position, it can drive the bearing plate 4 to rotate, thereby achieving the purpose of transposition and ensuring the quality and accuracy of the valve flange drilling; the transposition component 6 includes a driven rod 601 fixedly installed directly below the bearing plate 4, and the lower end of the driven rod 601 penetrates through the interior of the rotating plate 501 and extends to the interior of the recess 101, and the lower end of the driven rod 601 is elastically connected to the bottom surface of the recess 101 through a circular spring. By setting the driven rod 601, it can move synchronously with the circular plate 504, and at the same time, by setting the circular spring, the reaction force generated by its deformation can drive the driven rod 601 and the circular plate 504 to reset; Among them, two groups of convex rods 602 are elastically installed on the surface of the driven rod 601. By setting up the two groups of convex rods 602, it can move synchronously with the driven rod 601 to achieve the driving effect; the internal sliding connection of the driven rod 601 is connected with a slide bar 603, and the lower end of the slide bar 603 is fixedly connected to the bottom surface of the recess 101. By setting up the slide bar 603, it can play a guiding and limiting role; the surface of the driven rod 601 is sleeved with a sleeve 604, the upper end of the sleeve 604 is fixedly connected to the lower surface of the bearing plate 4, the sleeve 604 is inserted into the interior of the recess 101, and the sleeve 604 and the inner wall of the recess 101 The rotational cooperation can be achieved by setting the sleeve 604, which can play a limiting role and keep the bearing plate 4 in a fixed position; the inner wall of the sleeve 604 is provided with multiple groups of rotation grooves 605 at equal intervals, and the rotation grooves 605 are composed of a group of vertical grooves and a group of arc grooves, and the arc grooves are opened from deep to shallow from bottom to top, and the depth of the arc grooves is greater than the depth of the vertical grooves. The upper end of the arc groove is smoothly connected to the upper end of the vertical groove, and the lower end of the arc groove is connected to the lower end of the vertical groove to form a stepped structure. By setting the rotation groove 605, it can cooperate with the convex rod 602 to achieve the purpose of driving the sleeve 604 to rotate.

[0026] Specifically, when drilling a hole in the valve flange, first place the valve flange on the surface of the bearing plate 4, then start the drilling module 2 and the cylinder 3, drive the drilling module 2 to move downward through the cylinder 3, and drive the push rod 4011 to move downward synchronously and press the circular plate 504, the downwardly moved circular plate 504 will drive the vertical rod 503 and the ball 5031 to move downward synchronously and begin to squeeze and cooperate with the driving groove 502, so that the rotating plate 501 rotates, and the rotating rotating plate 501 begins to squeeze the multiple groups of moving clamps 505 and the support rod 506 to move synchronously, and at the same time drives the fixed plate 507 to start expanding outward, contacting the inner wall of the valve flange to be drilled, and fixing the valve flange, so that the flange remains stable during the drilling process, and the quality and accuracy of the drilling are guaranteed; During the rotation of the rotating plate 501, when the round rod 5011 moves from the inside of the guide groove 404 to the top of the deep hole 405, the electromagnet 5013 is powered off, and the round rod 5011 enters the inside of the deep hole 405 under the action of the connecting spring to fix the rotating plate 501. While fixing the flange, the driven rod 601 will move downward synchronously and compress the circular spring, and at the same time drive the protruding rod 602 from the upper end of the vertical groove to the lower end of the arc groove. When the drilling is completed, as the drilling module 2 moves upward, the protruding rod 602 will move upward in the arc groove, causing the sleeve 604 to start to drive the supporting plate 4 to rotate, and then drive the flange on the surface of the supporting plate 4 to start rotating, thereby achieving the purpose of driving the valve flange to shift position, making the distance between the holes drilled on the flange surface the same, and ensuring the accuracy of the drilling.

[0027] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A valve flange drilling device, comprising a carrier (1), wherein the upper surface of the carrier (1) is provided with a notch (101), a drilling module (2) is provided directly above the carrier (1), a cylinder (3) is fixedly mounted on the upper end of the drilling module (2), and the upper end of the cylinder (3) is fixed by a bracket, characterized in that: A bearing plate (4) is provided between the carrier (1) and the drilling module (2), a cavity is provided inside the bearing plate (4), and a guide ring (401) connected to the cavity is fixedly mounted on the surface of the bearing plate (4); And a stabilizing component (5) for fixing a flange to be drilled, the stabilizing component (5) comprising a rotating plate (501) arranged inside a cavity, and the rotating plate (501) is rotatably connected to the bottom surface of the cavity via a torsion spring, a plurality of groups of extrusion surfaces are equidistantly provided on the surface of the rotating plate (501), a fixing piece is inserted inside the rotating plate (501), two groups of driving grooves (502) are equidistantly provided on the surface of the rotating plate (501) from shallow to deep, a vertical rod (503) is provided inside the driving groove (502), a circular plate (504) is fixedly connected to the upper end of the vertical rod (503), and the circular plate (504) is arranged inside a guide ring (401), a plurality of groups of movable clamps (505) are slidably matched on the surface of the rotating plate (501), a support rod (506) is sleeved on the surface of the movable clamp (505), and a fixing plate (507) is fixedly installed on the upper end of the support rod (506).

2. A valve flange drilling device according to claim 1, characterized in that: A retractable push rod (4011) is provided directly above the guide ring (401), and the upper end of the push rod (4011) is fixedly connected to the lower surface of the drilling module (2); a plurality of groups of equidistantly arranged strip grooves (402) are provided through the upper surface of the support plate (4); a limiting rod (403) is fixedly installed inside the strip groove (402); a guide groove (404) is provided on the inner wall of the support plate (4); and a deep hole (405) is provided at the end of the guide groove (404).

3. A valve flange drilling device according to claim 1, characterized in that: The fixing member comprises a round rod (5011) inserted into the rotating plate (501), a metal plate (5012) is fixedly mounted on the lower end of the round rod (5011), and the metal plate (5012) is elastically connected to the bottom surface of the rotating plate (501) via a connecting spring, an electromagnet (5013) is magnetically matched below the metal plate (5012), and the electromagnet (5013) is arranged directly below the deep hole (405), and the electromagnet (5013) is fixedly mounted on the bottom surface of the cavity.

4. A valve flange drilling device according to claim 3, characterized in that: The upper end of the round rod (5011) is arranged inside the guide groove (404), and the round rod (5011) is slidably matched with the inner wall of the guide groove (404), and the upper end of the round rod (5011) is plug-fitted with the deep hole (405).

5. The valve flange drilling device according to claim 1, characterized in that: A ball (5031) is movably connected to the lower end of the vertical rod (503), and the surface of the ball (5031) is in contact with the bottom surface of the driving groove (502).

6. A valve flange drilling device according to claim 2, characterized in that: The upper end of the support rod (506) penetrates through the interior of the strip groove (402) and extends to the outside, and the support rod (506) is elastically connected to the movable clamp (505) via a return spring. A through hole is formed through the surface of the support rod (506), and the through hole is slidably matched with the limit rod (403).

7. A valve flange drilling device according to claim 1, characterized in that: It also includes a transposition component (6) for changing the position of the flange to be drilled, the transposition component (6) including a driven rod (601) fixedly mounted directly below the bearing plate (4), the lower end of the driven rod (601) penetrating through the interior of the rotating plate (501) and extending into the interior of the recess (101), and the lower end of the driven rod (601) is elastically connected to the bottom surface of the recess (101) via a circular spring, two groups of convex rods (602) are elastically mounted on the surface of the driven rod (601), a sliding rod (603) is slidably connected to the interior of the driven rod (601), and the lower end of the sliding rod (603) is fixedly connected to the bottom surface of the recess (101), the surface of the driven rod (601) is sleeved with a sleeve (604), and the inner wall of the sleeve (604) is provided with a plurality of groups of rotating grooves (605) at equal intervals.

8. A valve flange drilling device according to claim 7, characterized in that: The upper end of the sleeve (604) is fixedly connected to the lower surface of the bearing plate (4); the sleeve (604) is inserted into the interior of the recess (101), and the sleeve (604) is rotatably matched with the inner wall of the recess (101).

9. A valve flange drilling device according to claim 7, characterized in that: The rotating groove (605) is composed of a group of vertical grooves and a group of arc grooves, and the arc grooves are opened from bottom to top from deep to shallow, the depth of the arc groove is greater than the depth of the vertical groove, the upper end of the arc groove is smoothly connected to the upper end of the vertical groove, and the lower end of the arc groove is connected to the lower end of the vertical groove to form a stepped structure.

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