Clamp for sand core taking robot and sand core taking robot
By designing a fixture with a double beam frame, combined with length adjustment and flip mechanism, the problem that the fixture cannot clamp a flat sand core in the prior art is solved, which improves production efficiency and applicability and reduces production costs.
Patent Information
- Application Number
- CN202323558814.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-25
- Publication Date
- 2024-12-17
- Estimated Expiration
- 2033-12-25
AI Technical Summary
The existing core fixtures have design limitations when clamping sand cores, which cannot meet the clamping requirements of flat sand cores, and the rubber ring has limited friction, which cannot meet the clamping size and weight requirements.
A fixture including a double beam frame is designed, and a length adjustment mechanism and a flip mechanism are provided. The end clamping and flip of the sand core is realized through the first clamping part and the second clamping part, reducing the number of clamping parts and clamping parts. times, improving productivity and applicability.
Dual-station core extraction is realized, which reduces production costs and reduces the number of fixtures. There is no risk of structural interference in the clamping position. The clamping stroke is adjustable, and it has good applicability and flip control.
Smart Images
Figure CN222175880U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of casting, and in particular to a clamp for a sand core coring robot and the sand core coring robot. Background Art
[0002] During the casting production process of a series of combined cylinder heads, the upper cover core and chassis core sand core need to be processed by coring, flipping, and core assembly after core making.
[0003] In the related art, the coring fixture usually includes components such as a piston cylinder, a pull rod, and a rubber ring. When working, a clamping hole needs to be designed on the sand core, and the rubber ring is placed in the clamping hole. The rubber ring is compressed through the piston cylinder and the pull rod, and the friction between the sand core and the pull rod is increased to achieve the clamping of the sand core. However, the above-mentioned coring fixture has the following problems: the clamping hole of the sand core to be taken needs to be designed in advance, which is restrictive to the sand core structure; the friction of the rubber ring is limited, which has limitations on the size and weight of the clamped sand core, and cannot meet the requirements of flat sand core clamping.
[0004] Therefore, the present utility model is specially proposed. Utility Model Content
[0005] The utility model aims to provide a sand core coring robot and a clamp used for the sand core coring robot, so as to solve the problem that the clamp in the prior art cannot satisfy the coring without constructing a sand core.
[0006] The first aspect of the utility model provides a clamp for a sand core coring robot, comprising:
[0007] A frame, the frame comprising two cross beams and a connecting plate connected between the two cross beams; a clamping disc is provided on the connecting plate; and a first clamping portion and a second clamping portion are respectively provided at both ends of the cross beam;
[0008] A length adjustment mechanism, which is disposed on the crossbeam and connected to the first clamping portion, and is suitable for adjusting the relative length between the first clamping portion and the second clamping portion to clamp the sand core;
[0009] A turning mechanism is arranged on the crossbeam and connected to the second clamping portion, and is suitable for driving the sand core to turn through the second clamping portion.
[0010] The clamp provided by the utility model is provided with a frame including a double crossbeam, so that double-station coring can be achieved, which can meet the requirements of synchronous core making of the upper cover and the chassis sand core, thereby reducing the number of clamps and the number of clamping times, significantly improving production efficiency and reducing production costs. At the same time, the end clamping of the sand core is achieved by the first clamping part and the second clamping part provided at both ends of the crossbeam, so that there is no structure above the clamping position, and the risk of interference with the sand core mold is extremely low, so it is easy to arrange the sand core. In addition, by providing a length adjustment mechanism and a flipping mechanism connected to the first clamping part and the second clamping part on the crossbeam, not only the clamping stroke is adjustable, thus having good applicability, but also flipping control can be achieved.
[0011] The sand core coring robot fixture provided by the utility model may also have the following additional technical features:
[0012] In a specific embodiment of the utility model, the length adjustment mechanism includes a piston cylinder, the piston cylinder is installed on the crossbeam, and a piston rod of the piston cylinder is arranged along the length direction of the crossbeam, and the piston rod is connected to the first clamping portion.
[0013] In a specific implementation of the utility model, the crossbeam is provided with a guide rail arranged along the length direction of the crossbeam and a slider connected to the guide rail, and the slider is respectively connected to the piston rod and the first clamping portion.
[0014] In a specific implementation manner of the utility model, a limiting block is further provided at the other end of the guide rail relative to the piston cylinder.
[0015] In a specific embodiment of the utility model, the first clamping portion and the second clamping portion both include:
[0016] a side wall portion, the side wall portion being connected to the cross beam;
[0017] A rotating shaft, the rotating shaft is mounted on the side wall portion, and the central axis of the rotating shaft is arranged along the length direction of the beam;
[0018] A clamping plate is connected to the rotating shaft, and the clamping plate of the first clamping part and the clamping plate of the second clamping part are respectively arranged on opposite sides of the side wall part.
[0019] In a specific implementation manner of the utility model, the first clamping portion and the second clamping portion further include a positioning block and a leveling structure connected to the clamping plate.
[0020] In a specific embodiment of the utility model, the flipping mechanism includes:
[0021] A driving motor, wherein the driving motor is mounted on the frame;
[0022] The transmission mechanism includes a driving sprocket drivingly connected to the output shaft of the driving motor, a driven sprocket arranged on the rotating shaft of the second clamping part, and a transmission chain sleeved on the driving sprocket and the driven sprocket.
[0023] In a specific implementation manner of the utility model, the number of the driving sprockets is two, the number of the driven sprockets is two, and they are separately arranged on the rotating shafts of the two second clamping parts.
[0024] In a specific embodiment of the utility model, the flipping mechanism also includes a tensioning mechanism, which includes a fixed bracket connected to the side wall portion and a tensioning wheel and a tensioning bolt arranged on the fixed bracket, the tensioning wheel is connected to the transmission chain, and the tensioning bolt is used to adjust the position of the tensioning wheel.
[0025] The second aspect of the utility model further provides a sand core coring robot, comprising the clamp for the sand core coring robot as described in any one of the above. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0027] Figure 1 This is a front view of the fixture for the sand core coring robot of the utility model;
[0028] Figure 2 This is a bottom view of the fixture for the sand core coring robot of the utility model;
[0029] Figure 3 It is a left view of the clamp for the sand core coring robot of the utility model;
[0030] Figure 4 for Figure 2 Schematic diagram of the cross-sectional structure of AA;
[0031] Figure 5 for Figure 2 Schematic diagram of the cross-sectional structure of the middle BB;
[0032] Figure 6-8 It is a structural schematic diagram of the first clamping part.
[0033] Description of reference numerals:
[0034] 100-Clamp;
[0035] 10-frame, 11-crossbeam, 12-connecting plate, 13-first clamping part, 131-side wall part, 132-rotating shaft, 133-clamping plate, 134-positioning block, 135-leveling structure; 14-second clamping part, 15-clamping disc, 16-guide rail, 17-sliding block, 18-limiting block;
[0036] 20-length adjustment mechanism, 21-piston cylinder, 22-piston rod;
[0037] 30 - flipping mechanism, 31 - driving motor, 32 - driving sprocket, 33 - driven sprocket, 34 - transmission chain, 35 - tensioning mechanism. DETAILED DESCRIPTION
[0038] The exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.
[0039] It should be understood that the terms used herein are only for the purpose of describing specific example embodiments and are not intended to be limiting. Unless the context clearly indicates otherwise, the singular forms "one", "an" and "said" as used herein may also be meant to include plural forms. The terms "include", "comprise", "contain", and "have" are inclusive, and therefore specify the existence of stated features, steps, operations, elements and / or parts, but do not exclude the existence or addition of one or more other features, steps, operations, elements, parts, and / or combinations thereof. The method steps, processes, and operations described herein are not interpreted as necessarily requiring them to be performed in the specific order described or illustrated, unless the execution order is clearly indicated. It should also be understood that additional or alternative steps may be used.
[0040] Although the terms first, second, third, etc. can be used in the text to describe multiple elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can only be used to distinguish an element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates, terms such as "first", "second" and other numerical terms do not imply order or sequence when used in the text. Therefore, the first element, component, region, layer or section discussed below can be referred to as the second element, component, region, layer or section without departing from the teaching of the example embodiments.
[0041] For ease of description, spatial relative terms may be used herein to describe the relationship of one element or feature relative to another element or feature as shown in the figure, such as "inside", "outside", "inner side", "outer side", "below", "below", "above", "above", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figure. For example, if the device in the figure is turned over, then the elements described as "below other elements or features" or "below other elements or features" will subsequently be oriented as "above other elements or features" or "above other elements or features". Therefore, the example term "below..." can include both upper and lower orientations. The device can be oriented otherwise (rotated 90 degrees or in other directions) and the spatial relative descriptors used in the text are interpreted accordingly.
[0042] like Figure 1-8 As shown, the utility model provides a clamp 100 for a sand core coring robot, and the clamp 100 specifically includes a frame 10, a length adjustment structure and a flipping structure, wherein the frame 10 includes two cross beams 11 and a connecting plate 12 connected between the two cross beams 11; a clamping disc 15 is arranged on the connecting plate 12; a first clamping part 13 and a second clamping part 14 are respectively arranged at both ends of the cross beam 11; a length adjustment mechanism 20 is arranged on the cross beam 11 and connected to the first clamping part 13, suitable for adjusting the relative length between the first clamping part 13 and the second clamping part 14 to clamp the sand core; a flipping mechanism 30 is arranged on the cross beam 11 and connected to the second clamping part 14, suitable for driving the sand core to flip through the second clamping part 14.
[0043] The clamp 100 provided by the utility model is provided with a frame 10 including a double crossbeam 11, so that double-station coring can be achieved, which can meet the requirements of synchronous core making of the upper cover and the chassis sand core, thereby reducing the number of clamps 100 and the number of clamping times, significantly improving production efficiency and reducing production costs. At the same time, the end clamping of the sand core is achieved by the first clamping part 13 and the second clamping part 14 provided at both ends of the crossbeam 11, and there is no structure above the clamping position, and the risk of interference with the sand core mold is extremely low, so it is easy to arrange the sand core. In addition, by providing a length adjustment mechanism 20 and a flipping mechanism 30 connected to the first clamping part 13 and the second clamping part 14 on the crossbeam 11, not only the clamping stroke is adjustable, thus having good applicability, but also flipping control can be achieved.
[0044] Specifically, the crossbeam 11 is a square tube structure with a rectangular cross section, the connecting plate 12 is plate-shaped, and the two ends are respectively connected to the two crossbeams 11 by threaded fasteners to make the frame 10 in an I-shaped configuration. The clamping disc 15 is arranged on the connecting plate 12, and is used to connect with the male disc arranged on the robot, so as to realize the connection between the robot and the fixture 100.
[0045] In one embodiment of the utility model, the first clamping portion 13 and the second clamping portion 14 both include a side wall portion 131, a rotating shaft 132 and a clamping plate 133, the side wall portion 131 is connected to the beam 11; the rotating shaft 132 is installed on the side wall portion 131, and the central axis of the rotating shaft 132 is arranged along the length direction of the beam 11; the clamping plate 133 is connected to the rotating shaft 132, and the clamping plate 133 of the first clamping portion 13 and the clamping plate 133 of the second clamping portion 14 are respectively arranged on opposite sides of the side wall portion 131.
[0046] The side wall portion 131 is designed to be U-shaped as a whole, and the two side wall portions 131 are connected to the bottom surface of the beam 11 in an open manner. The rotating shaft 132 is installed in the side wall portion 131 through bearings and bearing seats with the axis parallel to the length direction of the beam 11. The clamping plate 133 is connected to the rotating shaft 132 and is specifically arranged on the side surfaces of the side wall portions 131 opposite to each other. In this way, the first clamping portion 13 and the second clamping portion 14 can move toward each other under the action of the length adjustment structure, thereby clamping the two ends of the sand core through the clamping plate 133. At the same time, due to the setting of the rotating shaft 132, the sand core can be flipped under the action of the flipping mechanism 30.
[0047] In one embodiment of the utility model, the first clamping part 13 and the second clamping part 14 further include a positioning block 134 and a leveling structure 135 connected to the clamping plate 133. In this way, the first clamping part 13 and the second clamping part 14 are positioned with the sand core by the positioning block 134, so that the sand core is positioned and turned during clamping, and the sand core is leveled by the leveling structure 135, and the leveling structure 135 cooperates with the positioning block 134 to ensure the stability of the sand core after flipping.
[0048] Optionally, a stopper adapted to the clamping plate 133 is further provided on the side wall, and the stopper can be used to keep the sand core flipped into place and the sand core clamped at the left and right workstations at the same horizontal position.
[0049] In one embodiment of the utility model, the length adjustment mechanism 20 includes a piston cylinder 21, the piston cylinder 21 is installed on the cross beam 11, and the piston rod 22 of the piston cylinder 21 is arranged along the length direction of the cross beam 11, and the piston rod 22 is connected to the first clamping part 13. In this way, the clamping control and clamping length control of the first clamping part 13 and the second clamping part 14 can be realized.
[0050] Specifically, the piston cylinder 21 is disposed in the cavity of the square tube structure of the beam 11, and the piston rod 22 is connected to the side wall portion 131 of the first clamping portion 13, suitable for driving the first clamping portion 13 to move along the length direction of the beam 11, thereby achieving adjustable length.
[0051] Optionally, the piston rod 22 of the piston cylinder 21 is arranged toward the second clamping portion 14 of the crossbeam 11 .
[0052] In one embodiment of the utility model, the cross beam 11 is provided with a guide rail 16 arranged along the length direction of the cross beam 11 and a slider 17 connected to the guide rail 16, and the slider 17 is respectively connected to the piston rod 22 and the first clamping part 13. In this way, the horizontal sliding connection between the first clamping part 13 and the cross beam 11 can be achieved through the guide rail 16 and the slider 17, so that the support strength of the first clamping part 13 can be ensured, and damage to the piston cylinder 21 can be avoided.
[0053] In one embodiment of the utility model, a stop block 18 is further provided at the other end of the guide rail 16 relative to the piston cylinder 21. The stop block 18 can prevent the slider 17 from being separated from the guide rail 16, thereby avoiding clamping failure.
[0054] In one embodiment of the utility model, the flipping mechanism 30 includes a driving motor 31 and a transmission mechanism, wherein the driving motor 31 is mounted on the frame 10; the transmission mechanism includes a driving sprocket 32 that is connected to the output shaft of the driving motor 31, a driven sprocket 33 that is arranged on the rotating shaft 132 of the second clamping part 14, and a transmission chain 34 that is sleeved on the driving sprocket 32 and the driven sprocket 33. In this way, the rotation drive of the driving motor 31 can be transmitted to the rotating shaft 132 of the second clamping part 14 through the driving sprocket 32, the transmission chain 34 and the driven sprocket 33 in sequence, thereby driving the sand core to flip through the rotation of the rotating shaft 132.
[0055] The output shaft of the driving motor 31 can be arranged parallel to the length direction of the cross beam 11, so that the central axis of the driving sprocket 32 can be directly connected to the output shaft of the driving motor 31. In this embodiment, a connecting plate 12 is further provided between the side portions of the two second clamping portions 14, and the central axis of the driving sprocket 32 is installed on the connecting plate 12 through a bearing and a bearing seat in a manner that the central axis is parallel to the cross beam 11. The output shaft of the driving motor 31 is arranged longitudinally and connected to the central axis of the driving sprocket 32 through a worm gear structure.
[0056] In one embodiment of the utility model, there are two driving sprockets 32 and two driven sprockets 33, which are respectively arranged on the rotating shafts 132 of the two second clamping parts 14. In this way, the rotating shafts 132 on the two beams 11 can be driven to rotate by one driving motor 31 at the same time, that is, the same driving motor 31 can drive the two sand cores to flip at the same time.
[0057] In one embodiment of the present invention, the flip mechanism 30 further includes a tensioning mechanism 35, which includes a fixing bracket connected to the side wall portion 131 and a tensioning wheel and a tensioning bolt disposed on the fixing bracket, the tensioning wheel is connected to the transmission chain 34, and the tensioning bolt is used to adjust the position of the tensioning wheel. In this way, the state of the transmission chain 34 can be adjusted by the tensioning mechanism 35, so that it is in a tensioned state.
[0058] The second aspect of the present invention further provides a sand core coring robot, which includes the sand core coring robot clamp 100 described in the above embodiment. The specific structure of the clamp 100 refers to any of the above embodiments, and will not be repeated here. Since the sand core coring robot provided by the present invention includes the clamp 100 described in all the above embodiments, it also has the beneficial effects of the above clamp 100.
[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.
Claims
1. A clamp for a sand core coring robot, characterized in that: include: A frame, the frame comprising two cross beams and a connecting plate connected between the two cross beams; a clamping disc is arranged on the connecting plate; and a first clamping portion and a second clamping portion are respectively arranged at both ends of the cross beam; A length adjustment mechanism, which is disposed on the crossbeam and connected to the first clamping portion, and is suitable for adjusting the relative length between the first clamping portion and the second clamping portion to clamp the sand core; A turning mechanism is arranged on the crossbeam and connected to the second clamping portion, and is suitable for driving the sand core to turn through the second clamping portion.
2. The clamp for a sand core coring robot according to claim 1, characterized in that: The length adjustment mechanism comprises a piston cylinder, the piston cylinder is mounted on the cross beam, and a piston rod of the piston cylinder is arranged along the length direction of the cross beam, and the piston rod is connected to the first clamping portion.
3. The clamp for a sand core coring robot according to claim 2, characterized in that: The crossbeam is provided with a guide rail arranged along the length direction of the crossbeam and a slider connected to the guide rail, and the slider is respectively connected to the piston rod and the first clamping part.
4. The clamp for a sand core coring robot according to claim 3, characterized in that: The other end of the guide rail relative to the piston cylinder is also provided with a limit block.
5. The clamp for a sand core coring robot according to claim 1, characterized in that: The first clamping portion and the second clamping portion both include: a side wall portion, the side wall portion being connected to the cross beam; A rotating shaft, the rotating shaft is mounted on the side wall portion, and the central axis of the rotating shaft is arranged along the length direction of the beam; A clamping plate is connected to the rotating shaft, and the clamping plate of the first clamping part and the clamping plate of the second clamping part are respectively arranged on opposite sides of the side wall part.
6. The clamp for a sand core coring robot according to claim 5, characterized in that: The first clamping portion and the second clamping portion further include a positioning block and a leveling structure connected to the clamping plate.
7. The clamp for a sand core coring robot according to claim 5, characterized in that: The flipping mechanism comprises: A driving motor, wherein the driving motor is mounted on the frame; The transmission mechanism includes a driving sprocket drivingly connected to the output shaft of the driving motor, a driven sprocket arranged on the rotating shaft of the second clamping part, and a transmission chain sleeved on the driving sprocket and the driven sprocket.
8. The clamp for a sand core coring robot according to claim 7, characterized in that: The number of the driving sprockets is two, the number of the driven sprockets is two, and they are respectively arranged on the rotating shafts of the two second clamping parts.
9. The clamp for a sand core coring robot according to claim 7, characterized in that: The flipping mechanism also includes a tensioning mechanism, which includes a fixing bracket connected to the side wall portion and a tensioning wheel and a tensioning bolt arranged on the fixing bracket. The tensioning wheel is connected to the transmission chain, and the tensioning bolt is used to adjust the position of the tensioning wheel.
10. A sand core coring robot, characterized in that: A clamp for a sand core coring robot comprising the clamp described in any one of claims 1-9.