A plaster model trimming device for denture processing

Abstract

The utility model discloses a plaster model trimming device for denture processing, including a base, and a trimming box is fixedly installed on the top surface of the base. The utility model relates to the technical field of denture processing equipment. The plaster model trimming device for denture processing is convenient for adjusting the angle of the grinding wheel through the provided rack and gear shaft. When in use, the driving motor is started to drive the grinding wheel to rotate to grind and trim the plaster model. When adjustment is required, the pull rod is pulled to drive the abutment plate to make the clamping block leave the outer side of the gear shaft, and then the gear shaft is rotated to drive the connecting block through the rack to make the grinding wheel rotate to adjust the angle. When the appropriate angle is adjusted, the pull rod is released, and the elastic force of the spring will resist the abutment plate to make the clamping block clamped on the outer side of the gear shaft, fixing the position of the gear shaft, and then the plaster model can continue to be polished and trimmed, avoiding obstruction of the staff's vision and improving the grinding accuracy.

Description

Technical Field

[0001] The utility model relates to the technical field of denture processing equipment, in particular to a plaster model finishing device for denture processing. Background Art

[0002] Denture plaster molds are indispensable tools in the process of denture production. Their specifications and production processes are crucial to ensuring the accuracy and quality of dentures. Denture processing equipment is an important tool in the field of oral restoration, used to make and repair dentures.

[0003] The existing plaster model finishing equipment for denture processing still has the following problems. The existing devices generally grind and trim the plaster model by a grinding wheel. Referring to a denture processing plaster finishing machine disclosed in the patent application with reference to publication number CN218137054U, a protective cover is used to effectively prevent the grinding dust from floating out, which is convenient for the safe work of the staff. The air pump, exhaust pipe and air nozzle are provided to jet clean the surface of the polished plaster model. At the same time, the servo motor is provided to drive the rotating rod and the brush to rotate, so as to realize the cleaning and removal of waste residue on the surface of the plaster model, effectively maintain the cleanliness of the surface of the plaster model, facilitate the dental staff to accurately grind and trim the plaster model, and effectively improve the overall quality of the formed denture.

[0004] However, the above-mentioned technical device uses a grinding wheel to grind and trim the plaster model. Since the plaster model has an irregular shape and complex surface details, this places high demands on the angle adjustment of the grinding wheel. The existing device cannot flexibly adjust the angle of the grinding wheel to adapt to plaster models of different shapes and angles. This results in the operator manually adjusting the position angle of the plaster model during the grinding process, which may obstruct the staff's line of sight, affect the grinding accuracy, reduce the quality of the plaster model, and has general practicality. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a plaster model trimming device for denture processing, which solves the problem that the existing plaster model trimming device for denture processing cannot flexibly adjust the angle of the grinding wheel, and requires the operator to manually adjust the position angle of the plaster model, which may cause the staff's line of sight to be obstructed, affect the grinding accuracy, reduce the quality of the plaster model, and has general practicality.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a plaster model trimming device for denture processing, comprising a base, a trimming box is fixedly installed on the top surface of the base, a trimming mechanism is arranged inside the trimming box for grinding and trimming the plaster model, and the trimming mechanism comprises:

[0007] An operating assembly is arranged inside the finishing box for conveniently placing the plaster model for polishing;

[0008] A dust removal component, which is arranged on the right side of the finishing box and is used to collect dust generated when polishing the plaster model;

[0009] A grinding assembly is arranged inside the dressing box and is used for grinding and trimming the plaster model. The grinding assembly includes a fixing frame fixedly installed on the rear side of the inner cavity of the dressing box, a connecting block is movably hinged on the inner side of the fixing frame, a mounting cylinder is fixedly installed on the front side of the connecting block, a grinding wheel is movably installed on the front side of the mounting cylinder, a driving motor is fixedly installed on the rear side of the inner cavity of the mounting cylinder, and an adjustment assembly is arranged inside the fixing frame for adjusting the angle of the grinding wheel.

[0010] Preferably, the adjustment assembly includes a gear shaft movably mounted inside the fixed frame, a plurality of racks are fixedly mounted on the rear side of the connecting block, a back plate is movably mounted on the left side of the inner cavity of the fixed frame, two clamping blocks are fixedly mounted on the right side of the back plate, a pull rod and two limit rods are fixedly mounted on the left side of the back plate, a spring is movably mounted on the outer side of the pull rod, and the output end of the drive motor movably passes through the interior of the mounting cylinder and is fixedly mounted on the rear side of the grinding wheel.

[0011] Preferably, the outer side of the gear shaft is meshed with the outer sides of a plurality of racks, the top end of the gear shaft movably passes through the interior of the fixing frame and extends to the top surface of the fixing frame, the left ends of the pull rod and the two limit rods movably pass through the interior of the fixing frame and extend to the left side of the fixing frame, the left end of the spring is tightly attached to the left side of the inner cavity of the fixing frame, and the right end of the spring is fixedly mounted on the right side of the abutment plate.

[0012] Preferably, the operating assembly includes a notch formed on the top surface of the trimming box, an observation window is movably hinged on the top surface of the notch, two connecting grooves are formed on the front side of the trimming box, and protective sleeves are fixedly mounted on the inner sides of the two connecting grooves.

[0013] Preferably, the dust removal assembly includes a collecting box fixedly mounted on the right side of the trimming box, a plurality of ventilation slots are opened on the right side of the collecting box, a fixed box is fixedly mounted on the bottom surface of the collecting box, a collecting drawer is movably mounted inside the fixed box, a filter is movably mounted inside the collecting box, a clamping plate is fixedly mounted on the top surface of the filter, and a fan is fixedly mounted inside the collecting box.

[0014] Preferably, the front side of the collecting drawer movably passes through the interior of the fixed box and extends to the front side of the fixed box, the top surface of the filter screen movably passes through the interior of the collecting box and is fixedly installed on the bottom surface of the pallet, the left side of the collecting box passes through the right side of the trimming box and extends to the interior of the trimming box, the bottom surface of the filter screen is tightly attached to the bottom surface of the inner cavity of the collecting box, and the top surface of the fixed box passes through the bottom surface of the collecting box and extends to the interior of the collecting box. Beneficial Effects

[0015] The utility model provides a plaster model trimming device for denture processing. Compared with the prior art, it has the following beneficial effects:

[0016] (1) The plaster model trimming equipment for denture processing can adjust the angle of the grinding wheel conveniently by setting the rack and gear shaft. When in use, the driving motor is started to drive the grinding wheel to rotate to grind and trim the plaster model. When adjustment is needed, the pull rod is pulled to drive the abutment plate to make the clamping block leave the outer side of the gear shaft, and then the gear shaft is rotated to drive the connecting block through the rack to make the grinding wheel rotate to adjust the angle. When the appropriate angle is adjusted, the pull rod is released and the elastic force of the spring will press against the abutment plate to make the clamping block clamped on the outer side of the gear shaft, fixing the position of the gear shaft, and then the plaster model can continue to be polished and trimmed, avoiding obstruction of the staff's vision and improving the grinding accuracy.

[0017] (2) The plaster model finishing equipment for denture processing can collect dust generated during grinding through the collection drawer and filter. When in use, the fan is started to suck the dust from the finishing box into the collection box. At this time, the dust will be intercepted by the filter and fall into the inside of the collection drawer to prevent the dust from flying. When cleaning is needed, the collected dust can be cleaned by directly pulling out the collection drawer, and then the filter can be pulled out of the collection box by pulling out the card plate. The filter can be cleaned, which is convenient to clean and has good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional appearance schematic diagram of the utility model;

[0019] Figure 2 It is a schematic diagram of the side cross-sectional three-dimensional appearance of the utility model;

[0020] Figure 3 This is a three-dimensional schematic diagram of the dust removal component of the utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional three-dimensional appearance of the dust removal component of the utility model;

[0022] Figure 5 This is a three-dimensional schematic diagram of the grinding assembly of the utility model;

[0023] Figure 6The utility model is a schematic diagram of the cross-sectional three-dimensional appearance of the hair mask component.

[0024] In the figure: 1-base, 2-dressing mechanism, 21-operating component, 211-notch, 212-observation window, 213-sleeve, 214-connecting groove, 22-dust removal component, 221-fixed box, 222-collection drawer, 223-collection box, 224-ventilation slot, 225-card, 226-fan, 227-filter, 23-grinding component, 231-grinding wheel, 232-mounting cylinder, 233-connecting block, 234-rack, 235-fixed frame, 236-limit rod, 237-pull rod, 238-gear shaft, 239-drive motor, 2310-retaining plate, 2311-card block, 2312-spring, 3-dressing box. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The utility model provides two technical solutions:

[0027] Figure 1 and Figure 5-Figure 6 The first embodiment is shown: a plaster model trimming device for denture processing, comprising a base 1, a trimming box 3 is fixedly installed on the top surface of the base 1, and a trimming mechanism 2 is arranged inside the trimming box 3 for grinding and trimming the plaster model. The trimming mechanism 2 comprises:

[0028] An operating assembly 21 is arranged inside the finishing box 3 for conveniently placing the plaster model for polishing;

[0029] The dust removal component 22, which is arranged on the right side of the finishing box 3, is used to collect dust generated when polishing the plaster model;

[0030] The grinding assembly 23 is arranged inside the finishing box 3 and is used for grinding and finishing the plaster model. The grinding assembly 23 includes a fixed frame 235 fixedly installed on the rear side of the inner cavity of the finishing box 3. A connecting block 233 is movably hinged on the inner side of the fixing frame 235. The rear side of the connecting block 233 is arc-shaped. A mounting cylinder 232 is fixedly installed on the front side of the connecting block 233. A grinding wheel 231 is movably installed on the front side of the mounting cylinder 232. A driving motor 239 is fixedly installed on the rear side of the inner cavity of the mounting cylinder 232. An adjusting assembly is arranged inside the fixing frame 235. In order to adjust the angle of the grinding wheel 231, the adjustment component includes a gear shaft 238 movably mounted inside the fixed frame 235, a plurality of racks 234 are fixedly mounted on the rear side of the connecting block 233, and the plurality of racks 234 are evenly distributed on the rear side of the connecting block 233 in a circumferential manner, a plate 2310 is movably mounted on the left side of the inner cavity of the fixed frame 235, two clamping blocks 2311 are fixedly mounted on the right side of the plate 2310, a pull rod 237 and two limit rods 236 are fixedly mounted on the left side of the plate 2310, and a spring 236 is movably mounted on the outer side of the pull rod 237. The output end of the drive motor 239 movably penetrates the interior of the mounting tube 232 and is fixedly mounted on the rear side of the grinding wheel 231, and starting the drive motor 239 can drive the grinding wheel 231 to rotate for grinding and trimming. The outer side of the gear shaft 238 is meshed with the outer sides of the plurality of racks 234, and the top end of the gear shaft 238 movably penetrates the interior of the fixing frame 235 and extends to the top surface of the fixing frame 235, and the rotating gear shaft 238 can drive the connecting block 233 through the plurality of racks 234 to rotate the grinding wheel 231 to perform an angle grinding. Adjustment, the left ends of the pull rod 237 and the two limit rods 236 are movable through the interior of the fixed frame 235 and extend to the left side of the fixed frame 235, and the two limit rods 236 can limit the movement trajectory of the abutment 2310, the left end of the spring 2312 is tightly attached to the left side of the inner cavity of the fixed frame 235, and the right end of the spring 2312 is fixedly installed on the right side of the abutment 2310, and the elastic force of the spring 2312 can push the abutment 2310 so that the two blocks 2311 are stuck on the outside of the gear shaft 238 to fix the position of the gear shaft 238.

[0031] The rack 234 and gear shaft 238 are provided to facilitate adjustment of the angle of the grinding wheel 231. When in use, the driving motor 239 is started to drive the grinding wheel 231 to rotate and grind the plaster model. When adjustment is needed, the pull rod 237 is pulled to drive the abutment plate 2310 to make the blocking block 2311 leave the outside of the gear shaft 238, and then the gear shaft 238 is rotated to drive the connecting block 233 through the rack 234 to rotate the grinding wheel 231 to adjust the angle. When the appropriate angle is adjusted, the pull rod 237 is released, and the elastic force of the spring 2312 will resist the abutment plate 2310 to make the blocking block 2311 stuck on the outside of the gear shaft 238, fixing the position of the gear shaft 238, and then the plaster model can continue to be polished and trimmed, avoiding obstruction of the staff's line of sight and improving the grinding accuracy.

[0032] Figure 1-Figure 4 A second embodiment is shown, which mainly differs from the first embodiment in that: the operating component 21 includes a notch 211 opened on the top surface of the dressing box 3, and the fixed box 221 is inclined, the top surface of the notch 211 is movably hinged with an observation window 212, the front side of the dressing box 3 is provided with two connecting grooves 214, the inner sides of the two connecting grooves 214 are fixedly installed with protective sleeves 213, and the protective sleeves 213 can prevent dust from flying out of the dressing box 3, the dust removal component 22 includes a collection box 223 fixedly installed on the right side of the dressing box 3, a plurality of ventilation grooves 224 are opened on the right side of the collection box 223, and the plurality of ventilation grooves 224 are linearly and evenly distributed on the right side of the collection box 223, the bottom surface of the collection box 223 is fixedly installed with a fixed box 221, the interior of the fixed box 221 is movably installed with a collection drawer 222, and the interior of the collection box 223 is movably installed. A filter 227 is movably installed, a card plate 225 is fixedly installed on the top surface of the filter 227, a fan 226 is fixedly installed inside the collecting box 223, the front side of the collecting drawer 222 movably penetrates the interior of the fixed box 221 and extends to the front side of the fixed box 221, and the dust intercepted by the filter 227 can be collected through the collecting drawer 222, the top surface of the filter 227 movably penetrates the interior of the collecting box 223 and is fixedly installed on the bottom surface of the card plate 225, and the card plate 225 is pulled to pull the filter 227 out of the collecting box 223 to clean the filter 227, the left side of the collecting box 223 penetrates the right side of the trimming box 3 and extends to the interior of the trimming box 3, the bottom surface of the filter 227 is tightly attached to the bottom surface of the inner cavity of the collecting box 223, and the top surface of the fixed box 221 penetrates the bottom surface of the collecting box 223 and extends to the interior of the collecting box 223.

[0033] The dust generated during grinding can be collected by the provided collecting drawer 222 and the filter 227. When in use, the fan 226 is started to suck the dust from the trimming box 3 into the collecting box 223. At this time, the dust will be intercepted by the filter 227 and fall into the inside of the collecting drawer 222 to prevent the dust from flying. When cleaning is needed, the collected dust can be cleaned by simply pulling out the collecting drawer 222. Then, the card plate 225 is pulled out to pull the filter 227 out of the collecting box 223 so that the filter 227 can be cleaned. It is convenient to clean and has good practicality.

[0034] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art, and the model parameters of each electrical appliance are not specifically limited, and conventional equipment can be used.

[0035] When in use, the user connects the device to the power supply, then opens the observation window 212 to put the plaster model into the interior of the dressing box 3, then extends the hand through the connecting groove 214 and the sleeve 213 into the dressing box 3, then starts the driving motor 239 to drive the grinding wheel 231 to rotate, and then holds the plaster model for grinding and dressing, and at the same time starts the fan 226 to suck dust from the dressing box 3 into the collection box 223. At this time, the dust will be intercepted by the filter 227 and fall into the interior of the collection drawer 222 to prevent dust from flying. When cleaning is needed, the collection drawer 222 can be directly pulled out to clean the collected dust, and then the card can be pulled out. The plate 225 can pull the filter 227 out of the collection box 223 so that the filter 227 can be cleaned. When adjustment is needed, pull the pull rod 237 to drive the plate 2310 to make the block 2311 leave the outside of the gear shaft 238, and then rotate the gear shaft 238 to drive the connecting block 233 through the rack 234 to rotate the grinding wheel 231 to adjust the angle. When the appropriate angle is adjusted, release the pull rod 237, and the elastic force of the spring 2312 will press against the plate 2310 to make the block 2311 stuck on the outside of the gear shaft 238, fix the position of the gear shaft 238, and then the plaster model can continue to be polished and trimmed.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include"-"comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process-method-article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process-method-article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plaster model trimming device for denture processing, comprising a base (1), characterized in that: A trimming box (3) is fixedly mounted on the top surface of the base (1), and a trimming mechanism (2) is arranged inside the trimming box (3) for grinding and trimming the plaster model. The trimming mechanism (2) comprises: An operating component (21) is arranged inside the finishing box (3) and is used to conveniently place the plaster model for polishing; A dust removal component (22), the dust removal component (22) being arranged on the right side of the finishing box (3) and being used for collecting dust generated when polishing the plaster model; A grinding assembly (23) is arranged inside a finishing box (3) and is used for grinding and finishing a plaster model. The grinding assembly (23) comprises a fixing frame (235) fixedly mounted on the rear side of an inner cavity of the finishing box (3); a connecting block (233) is movably hinged on the inner side of the fixing frame (235); a mounting cylinder (232) is fixedly mounted on the front side of the connecting block (233); a grinding wheel (231) is movably mounted on the front side of the mounting cylinder (232); a driving motor (239) is fixedly mounted on the rear side of the inner cavity of the mounting cylinder (232); and an adjusting assembly is arranged inside the fixing frame (235) and is used for adjusting the angle of the grinding wheel (231).

2. The plaster model trimming device for denture processing according to claim 1, characterized in that: The adjustment assembly comprises a gear shaft (238) movably mounted inside a fixed frame (235); a plurality of racks (234) are fixedly mounted on the rear side of the connecting block (233); a support plate (2310) is movably mounted on the left side of the inner cavity of the fixed frame (235); two clamping blocks (2311) are fixedly mounted on the right side of the support plate (2310); a pull rod (237) and two limit rods (236) are fixedly mounted on the left side of the support plate (2310); a spring (2312) is movably mounted on the outer side of the pull rod (237); and an output end of the drive motor (239) movably passes through the interior of the mounting tube (232) and is fixedly mounted on the rear side of the grinding wheel (231).

3. The plaster model trimming device for denture processing according to claim 2, characterized in that: The outer side of the gear shaft (238) is meshed with the outer sides of a plurality of racks (234); the top end of the gear shaft (238) movably passes through the interior of the fixing frame (235) and extends to the top surface of the fixing frame (235); the left ends of the pull rod (237) and the two limit rods (236) movably pass through the interior of the fixing frame (235) and extend to the left side of the fixing frame (235); the left end of the spring (2312) is tightly attached to the left side of the inner cavity of the fixing frame (235); and the right end of the spring (2312) is fixedly mounted on the right side of the abutment plate (2310).

4. The plaster model trimming device for denture processing according to claim 1, characterized in that: The operating assembly (21) comprises a notch (211) formed on the top surface of the trimming box (3); an observation window (212) is movably hinged on the top surface of the notch (211); two connection slots (214) are formed on the front side of the trimming box (3); and protective sleeves (213) are fixedly mounted on the inner sides of the two connection slots (214).

5. The plaster model trimming device for denture processing according to claim 1, characterized in that: The dust removal assembly (22) comprises a collection box (223) fixedly mounted on the right side of the trimming box (3); a plurality of ventilation slots (224) are provided on the right side of the collection box (223); a fixed box (221) is fixedly mounted on the bottom surface of the collection box (223); a collection drawer (222) is movably mounted inside the fixed box (221); a filter screen (227) is movably mounted inside the collection box (223); a clamping plate (225) is fixedly mounted on the top surface of the filter screen (227); and a fan (226) is fixedly mounted inside the collection box (223).

6. The plaster model trimming device for denture processing according to claim 5, characterized in that: The front side of the collecting bin (222) movably penetrates the interior of the fixed box (221) and extends to the front side of the fixed box (221); the top surface of the filter screen (227) movably penetrates the interior of the collecting box (223) and is fixedly mounted on the bottom surface of the clamping plate (225); the left side of the collecting box (223) penetrates the right side of the trimming box (3) and extends to the interior of the trimming box (3); the bottom surface of the filter screen (227) is tightly attached to the bottom surface of the inner cavity of the collecting box (223); and the top surface of the fixed box (221) penetrates the bottom surface of the collecting box (223) and extends to the interior of the collecting box (223).

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