CN215966199U - Novel clamping jaw for dip-coating sand core - Google Patents
Novel clamping jaw for dip-coating sand core Download PDFInfo
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- CN215966199U CN215966199U CN202122625005.1U CN202122625005U CN215966199U CN 215966199 U CN215966199 U CN 215966199U CN 202122625005 U CN202122625005 U CN 202122625005U CN 215966199 U CN215966199 U CN 215966199U
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- supporting seat
- fixedly connected
- double
- dip
- clamping jaw
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Abstract
The utility model discloses a novel clamping jaw for dip-coating a sand core, which comprises: the supporting seat is used as a bearing foundation of the device, a driven gear is rotatably connected onto the supporting seat, a connecting plate is fixedly connected to one side of the driven gear, and the inner side of one end of the limiting plate is rotatably connected onto the supporting seat; the sliding rail is fixedly connected to the supporting seat, a sliding plate is connected to the sliding rail in a sliding mode, a hydraulic cylinder is fixedly connected to one end of the double-sided gear plate, and the hydraulic cylinder is fixedly connected to the supporting seat. This dip-coat novel clamping jaw of psammitolite, through removing the double-sided gear board, transfer two sets of double-layered teeth and inwards move simultaneously, thereby be convenient for stabilize the centre gripping to the psammitolite, drive the annular slab through rotatory threaded rod and remove along the guide rail, thereby outwards release the hollow tube, and then adjust the position of this clamping jaw, the material of wearing layer is softer, can prevent that the clamping-force is too big, cause the damage to the psammitolite, and press from both sides the frictional force that the tooth layer can effectively increase and the psammitolite, be difficult for droing when making the centre gripping psammitolite.
Description
Technical Field
The utility model relates to the technical field of sand core production, in particular to a novel clamping jaw for dip-coating a sand core.
Background
The sand core is a material for manufacturing the core in casting production, and comprises casting sand, a molding sand binder and the like, the sand core needs to be dip-coated in the production process, and a clamping jaw used in the conventional dip-coating sand core has certain defects, such as the defects;
the core dip-coating fixture comprises a machine body and a clamping part, wherein the machine body is connected with the clamping part, the clamping part comprises a handle, a clamping wheel, two clamping sliders and two clamping rods, the handle is connected with the clamping wheel in a transmission manner, the clamping wheel is meshed with each clamping slider, so that the clamping sliders move synchronously along opposite or opposite directions, one end of each clamping rod is connected with each clamping slider respectively, the clamping sliders can push the clamping rods to move synchronously along opposite or opposite directions, and the other ends of the clamping rods are used for clamping the core. Therefore, the clamping force can be accurately applied to the sand core, and the damage of the sand core caused by overlarge clamping force is effectively reduced;
this prior art solution also presents the following problems when in use:
1. the clamping is unstable;
2. the position of the clamping jaw is not convenient to adjust;
3. the sand core is easy to damage during clamping;
improvements are needed to address the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel clamping jaw for dip-coating a sand core, which aims to solve the problems that the clamping jaw used in the prior dip-coating sand core in the market is unstable in clamping, the position of the clamping jaw is inconvenient to adjust, and the sand core is easy to damage during clamping.
In order to achieve the purpose, the utility model provides the following technical scheme: a novel clamping jaw for dip-coating a sand core, comprising:
the supporting seat is used as a bearing foundation of the device, a driven gear is rotatably connected to the supporting seat, a connecting plate is fixedly connected to one side of the driven gear, clamping teeth are rotatably connected to the inner side of the connecting plate, limiting plates are rotatably connected to the clamping teeth, and the inner side of one end of each limiting plate is rotatably connected to the supporting seat;
the sliding rail is fixedly connected to the supporting seat, a sliding plate is connected to the sliding rail in a sliding mode, a double-faced gear plate is fixedly connected to the sliding plate, a driven gear is connected to the upper portion of the double-faced gear plate, a hydraulic cylinder is fixedly connected to one end of the double-faced gear plate, and the hydraulic cylinder is fixedly connected to the supporting seat.
Preferably, driven gear, even board, press from both sides tooth and limiting plate are provided with two sets ofly about the central axis symmetry of double-sided gear board, and the material of two sets of double-sided gear board is the aluminum alloy to the upper and lower both sides of double-sided gear board are all connected with driven gear through the mode of meshing, through removing the double-sided gear board, mobilize two sets of double-sided gear and press from both sides the tooth and inwards move simultaneously, thereby be convenient for stabilize the centre gripping to the psammitolite.
Preferably, the support seat includes:
the hollow pipe is fixedly connected to one side of the supporting seat, one end of the hollow pipe is fixedly connected with an annular plate, a guide block is fixedly connected above the annular plate, the guide block is connected in a guide rail in a sliding mode, the guide rail is fixedly connected to the inner wall of the supporting cylinder, and the supporting cylinder is arranged on one side of the supporting seat;
an internal thread section of thick bamboo inlays to be established in the annular slab, internal thread section of thick bamboo female connection has the threaded rod, threaded rod one end fixedly connected with driving motor, driving motor fixed connection drives the annular slab through rotatory threaded rod and removes along the guide rail in supporting a section of thick bamboo to outwards release the hollow tube, and then adjust the position of this clamping jaw.
Preferably, the hollow tube, the annular plate, the internal thread cylinder, the threaded rod, the driving motor and the supporting cylinder form an adjusting structure, and two ends of the hollow tube are fixedly connected with the supporting seat and the annular plate in a welding mode, so that the connection rigidity between two ends of the hollow tube and the supporting seat and the annular plate is increased, and the hollow tube is prevented from being easily separated from the supporting seat and the annular plate.
Preferably, the guide blocks and the guide rails are arranged in four groups in an annular array relative to the center of the annular plate, the four groups of guide rails and the guide blocks form a limiting structure, the length of each guide rail is smaller than the inner depth of the support cylinder, and the annular plate is limited so that the annular plate cannot rotate along with the rotation of the threaded rod.
Preferably, the clip tooth includes:
the wear pad, fixed connection be in press from both sides the tooth below, wear pad below fixedly connected with presss from both sides the tooth layer, and the cross sectional shape who presss from both sides the tooth layer is the cockscomb structure, and the material of wearing layer is softer, can prevent that clamping-force is too big, causes the damage to the psammitolite, and presss from both sides the tooth layer and can effectively increase and the frictional force between the psammitolite, is difficult for droing when making the centre gripping psammitolite.
Compared with the prior art, the utility model has the beneficial effects that: this dip-coat novel clamping jaw of psammitolite, through removing the double-sided gear board, transfer two sets of double-layered teeth and inwards move simultaneously, thereby be convenient for stabilize the centre gripping to the psammitolite, drive the annular slab through rotatory threaded rod and remove along the guide rail, thereby outwards release the hollow tube, and then adjust the position of this clamping jaw, the material of wearing layer is softer, can prevent that the clamping-force is too big, cause the damage to the psammitolite, and press from both sides the frictional force that the tooth layer can effectively increase and the psammitolite, be difficult for droing when making the centre gripping psammitolite.
1. When the clamping teeth reach the sand core, a hydraulic cylinder is started, the hydraulic cylinder drives the double-sided gear plate to move, two sides of the double-sided gear plate are meshed with the two groups of driven gears to further drive the two groups of driven gears to rotate, the driven gears drive the two groups of clamping teeth to move inwards through the limiting plates during rotation, so that the sand core is clamped, and when the double-sided gear plate moves, the sliding plate on the back of the double-sided gear plate moves in the sliding rail along with the movement of the double-sided gear plate, so that the double-sided gear plate moves more stably, and the sand core is conveniently and stably clamped;
2. firstly, before clamping, a driving motor is started, the driving motor drives a threaded rod to rotate, the threaded rod is in threaded connection with an annular plate through an internal thread cylinder, and the annular plate is in sliding connection with the inner wall of a supporting cylinder through four groups of guide blocks and guide rails on the outer side;
3. when two sets of clamp teeth move inwards to clamp the sand core, the clamp tooth layer on the inner side of the clamp teeth first contacts the sand core, and the cross section of the clamp tooth layer is in a sawtooth shape, so that the friction force between the clamp tooth layer and the sand core can be effectively increased, the sand core is not easy to fall off, the material of the wear-resistant layer is soft, and the wear-resistant layer can slightly deform during clamping, so that the sand core can be effectively prevented from being damaged due to overlarge clamping force.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a support cylinder according to the present invention;
FIG. 3 is an enlarged view of the part A of the present invention.
In the figure: 1. a supporting seat; 2. a driven gear; 3. connecting plates; 4. clamping teeth; 5. a limiting plate; 6. a slide rail; 7. a slide plate; 8. a double-sided gear plate; 9. a hydraulic cylinder; 10. a hollow tube; 11. an annular plate; 12. a guide block; 13. a guide rail; 14. an internal threaded barrel; 15. a threaded rod; 16. a drive motor; 17. a support cylinder; 18. a wear pad; 19. and (4) a tooth clamping layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a novel clamping jaw for dip-coating a sand core, comprising: supporting seat 1, as the device's the basis that bears, it is connected with driven gear 2 to rotate on the supporting seat 1, driven gear 2 one side fixedly connected with is even board 3, even 3 inboard rotations in the board are connected with and press from both sides tooth 4, it is connected with limiting plate 5 to rotate on the clamp tooth 4, 5 one end inboard rotations of limiting plate are connected on supporting seat 1, slide rail 6, fixed connection is on supporting seat 1, sliding connection has slide 7 in slide rail 6, fixedly connected with double-sided gear board 8 on the slide 7, 8 tops of double-sided gear board are connected with driven gear 2, 8 one end fixedly connected with pneumatic cylinders 9 of double-sided gear board, pneumatic cylinders 9 fixed connection is on supporting seat 1.
Supporting seat 1 includes: hollow tube 10, fixed connection is in 1 one side of supporting seat, hollow tube 10 one end fixedly connected with annular slab 11, annular slab 11 top fixedly connected with guide block 12, guide block 12 sliding connection is in guide rail 13, guide rail 13 fixed connection is on supporting a section of thick bamboo 17 inner wall, supporting a section of thick bamboo 17 sets up in 1 one side of supporting seat, an internal thread section of thick bamboo 14 inlays and establishes in annular slab 11, an internal thread section of thick bamboo 14 female connection has threaded rod 15, 15 one end fixedly connected with driving motor 16 of threaded rod, 16 fixed connection of driving motor is in supporting a section of thick bamboo 17. The hollow tube 10, the annular plate 11, the internal thread cylinder 14, the threaded rod 15, the driving motor 16 and the supporting cylinder 17 form an adjusting structure, and two ends of the hollow tube 10 are fixedly connected with the supporting seat 1 and the annular plate 11 in a welding mode, so that the connection rigidity between two ends of the hollow tube 10 and the supporting seat 1 and the annular plate 11 is increased, and the hollow tube 10 is prevented from being easily separated from the supporting seat 1 and the annular plate 11. The guide blocks 12 and the guide rails 13 are arranged in four groups in an annular array relative to the center of the annular plate 11, the four groups of guide rails 13 and the guide blocks 12 form a limiting structure, the length of each guide rail 13 is smaller than the inner depth of the corresponding support cylinder 17, and the annular plate 11 is limited so that the annular plate 11 cannot rotate along with the rotation of the threaded rod 15. The ring plate 11 is moved along the guide rail 13 by rotating the threaded rod 15, thereby pushing the hollow tube 10 outward and adjusting the position of the jaw.
The clip tooth 4 includes: the wear pad 18 is fixedly connected below the clamping teeth 4, the tooth clamping layer 19 is fixedly connected below the wear pad 18, the cross section of the tooth clamping layer 19 is in a sawtooth shape, the material of the wear pad is soft, the clamping force can be prevented from being too large, the sand core is damaged, the friction force between the tooth clamping layer 19 and the sand core can be effectively increased, and the sand core is not easy to fall off during clamping.
The working principle is as follows: as shown in figures 1-3, when using the new clamping jaw for dip-coating sand core, the device is simply known, firstly, before clamping, the driving motor 16 is started, the driving motor 16 drives the threaded rod 15 to rotate, because the threaded rod 15 is in threaded connection with the annular plate 11 through the internal thread cylinder 14, and the annular plate 11 is in sliding connection with the inner wall of the supporting cylinder 17 through the four groups of guide blocks 12 and guide rails 13 on the outer side, when the threaded rod 15 rotates, the annular plate 11 does not rotate along with the rotation of the threaded rod 15, but slides outwards along the inner wall of the supporting cylinder 17, thereby pushing the hollow tube 10 to move outwards, further driving the supporting seat 1 to move outwards, further facilitating the adjustment of the position of the clamping jaw, secondly, when the two groups of clamping teeth 4 move inwards to clamp the sand core, the clamping tooth layer 19 on the inner side contacts the sand core firstly, because the cross-section shape of the clamping tooth layer 19 is serrated, can effectively increase the friction force between the abrasion-resistant layer and the sand core, so that the sand core is not easy to fall off, the material of the abrasion-resistant layer is soft and can slightly deform during clamping, thereby effectively preventing overlarge clamping force, the sand core is damaged, then, when the clamping teeth 4 reach the sand core, the hydraulic cylinder 9 is started, the hydraulic cylinder 9 drives the double-sided gear plate 8 to move, two sides of the double-sided gear plate 8 are meshed and connected with the two groups of driven gears 2, thereby driving the two groups of driven gears 2 to rotate, the driven gears 2 drive the two groups of clamping teeth 4 to move inwards through the limiting plates 5 when rotating, thereby clamping the sand core, and when the double-sided gear plate 8 moves, the sliding plate 7 at the back of the sliding plate moves in the sliding rail 6 along with the movement of the double-sided gear plate 8, thereby ensuring that the double-sided gear plate 8 moves more stably, thereby facilitating stable clamping of the sand core and are well known to those skilled in the art and not described in detail in this specification.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. A novel clamping jaw for dip-coating a sand core, comprising:
the supporting seat is characterized by comprising a supporting seat (1), a driven gear (2) is rotatably connected to the supporting seat (1), a connecting plate (3) is fixedly connected to one side of the driven gear (2), clamping teeth (4) are rotatably connected to the inner side of the connecting plate (3), limiting plates (5) are rotatably connected to the clamping teeth (4), and the inner side of one end of each limiting plate (5) is rotatably connected to the supporting seat (1);
slide rail (6), fixed connection be in on supporting seat (1), sliding connection has slide (7) in slide rail (6), fixedly connected with double-sided gear board (8) are gone up in slide (7), double-sided gear board (8) top is connected with driven gear (2), double-sided gear board (8) one end fixedly connected with pneumatic cylinder (9), pneumatic cylinder (9) fixed connection is on supporting seat (1).
2. The novel clamping jaw for dip-coating a sand core as claimed in claim 1, wherein: driven gear (2), even board (3), press from both sides tooth (4) and limiting plate (5) are provided with two sets ofly about the central axis symmetry of double-sided gear board (8), and the material of two sets of double-sided gear board (4) is the aluminum alloy to the upper and lower both sides of double-sided gear board (8) are all connected with driven gear (2) through the mode of meshing.
3. The novel clamping jaw for dip-coating a sand core as claimed in claim 1, wherein: the supporting seat (1) comprises:
the hollow pipe (10) is fixedly connected to one side of the supporting seat (1), one end of the hollow pipe (10) is fixedly connected with an annular plate (11), a guide block (12) is fixedly connected above the annular plate (11), the guide block (12) is connected into a guide rail (13) in a sliding manner, the guide rail (13) is fixedly connected to the inner wall of a supporting cylinder (17), and the supporting cylinder (17) is arranged on one side of the supporting seat (1);
an internal thread section of thick bamboo (14), inlay and establish in annular plate (11), an internal thread section of thick bamboo (14) female connection has threaded rod (15), threaded rod (15) one end fixedly connected with driving motor (16), driving motor (16) fixed connection is in a support section of thick bamboo (17).
4. A novel clamping jaw for dip-coating sand cores as claimed in claim 3, characterized in that: the adjustable support is characterized in that the hollow tube (10), the annular plate (11), the internal thread cylinder (14), the threaded rod (15), the driving motor (16) and the support cylinder (17) form an adjusting structure, and two ends of the hollow tube (10) are fixedly connected with the support base (1) and the annular plate (11) in a welding mode.
5. A novel clamping jaw for dip-coating sand cores as claimed in claim 3, characterized in that: the guide blocks (12) and the guide rails (13) are arranged in four groups in an annular array relative to the center of the annular plate (11), the four groups of guide rails (13) and the guide blocks (12) form a limiting structure, and the length of the guide rails (13) is smaller than the inner depth of the support cylinder (17).
6. The novel clamping jaw for dip-coating a sand core as claimed in claim 1, wherein: the clamping tooth (4) comprises:
wear pad (18), fixed connection be in press from both sides tooth (4) below, wear pad (18) below fixedly connected with presss from both sides tooth layer (19), and the cross sectional shape of pressing from both sides tooth layer (19) is the cockscomb structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122625005.1U CN215966199U (en) | 2021-10-29 | 2021-10-29 | Novel clamping jaw for dip-coating sand core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122625005.1U CN215966199U (en) | 2021-10-29 | 2021-10-29 | Novel clamping jaw for dip-coating sand core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215966199U true CN215966199U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122625005.1U Active CN215966199U (en) | 2021-10-29 | 2021-10-29 | Novel clamping jaw for dip-coating sand core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215966199U (en) |
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2021
- 2021-10-29 CN CN202122625005.1U patent/CN215966199U/en active Active
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