Dental handpiece fixing tool and machining equipment

By designing a dental head fixing fixture and an automated loading and unloading mechanism, the problem that existing devices can only fix a single specification has been solved, realizing the stable fixing and efficient processing of multiple specifications of dental heads, simplifying the loading process, and reducing production costs.

CN223734417UActive Publication Date: 2025-12-30FOSHAN SENPING PRECISION MANUFACTURING CO LTD
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Patent Information

Application Number
CN202520148548.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2025-12-30
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Existing dental handpiece head processing devices can only be fixed to a single specification, which limits the scope of application, increases production costs and complexity, and also presents the problem of inconvenient material loading.

Method used

A dental instrument head fixing fixture was designed, which uses a clamping drive and an avoidance drive to fix different specifications of instrument heads through the lever principle. Combined with an automatic loading and unloading mechanism and a processing mechanism, it realizes the automated processing of multiple specifications of instrument heads.

Benefits of technology

It enables the stable fixing and automated processing of dental instrument heads of different specifications, improves processing efficiency, simplifies the feeding process, and reduces production costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a dental handpiece fixing tool and processing equipment, which comprises a fixing seat, a fixing rod, a pressing driving piece and an avoiding driving piece, the fixing seat is provided with a fixing surface and a fixing column, and the fixing column is arranged on the fixing surface; the two ends of the fixing rod are a pressing end and an adjusting end respectively, the middle of the fixing rod is movably arranged on the fixing column, the pressing end is provided with a pressing face, and the pressing face and the fixing face are oppositely arranged. The pressing driving piece is used for driving the adjusting end to be away from the fixing face so that the pressing end can be close to the fixing face to press the workpiece. The avoiding driving piece is used for driving the adjusting end to move in the extending direction of the fixing face, so that the pressing end moves in the opposite direction of the adjusting end and does not press the workpiece any more. According to the lever principle, the pressing end and the adjusting end move in two opposite directions respectively. According to the dental handpiece fixing tool, the workpiece is pressed and fixed in an abutting and pressing manner, so that handpiece handpieces of different specifications can be fixed by the dental handpiece fixing tool, and the pressing driving part is adopted for pressing, so that the pressing is firmer.
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Description

TECHNICAL FIELD

[0001] The utility model relates to dental operating handpiece technical field, especially dental handpiece fixing frock and processing equipment. BACKGROUND

[0002] In the dental field, dental handpiece head usually has the characteristics of precision and small size to ensure accurate and efficient operation during treatment. However, in the current dental handpiece head production process, the existing processing device mainly has the following deficiencies, and the current processing device can only fix a single specification of dental handpiece head. Because dental handpiece head may differ due to brand, model or treatment needs, this single specification fixing method limits the application range of the processing device, increases production cost and complexity. There is also the problem of inconvenient feeding. SUMMARY

[0003] The utility model aims at providing a kind of dental handpiece fixing frock and processing equipment, to solve one or more technical problems existing in prior art, at least provide a kind of beneficial selection or create conditions.

[0004] To solve the above technical problems, the technical scheme adopted is:

[0005] The utility model provides dental handpiece fixing frock, including fixed seat, fixed rod, compression driving part and avoiding driving part, fixed seat is equipped with fixed surface, the fixed seat is equipped with fixed column, and the fixed column is located in the fixed surface;Fixed rod two ends are compression end and adjusting end respectively, and the middle part of fixed rod is movably arranged in the fixed column, the compression end is equipped with compression surface, and the compression surface is oppositely arranged with the fixed surface;Compression driving part is used to drive adjusting end to be away from the fixed surface so that compression end is close to the fixed surface and compresses workpiece;Avoiding driving part is used to drive adjusting end to move along the extension direction of the fixed surface so that compression end moves to the opposite direction of adjusting end and no longer compresses workpiece.

[0006] The utility model has the beneficial effects that:

[0007] According to the lever principle, the pressing end and the adjusting end move in two opposite directions respectively. When loading, the avoiding driving element drives the adjusting end to move, and the pressing end moves in the opposite direction to expose the pressing position of the fixed surface. The workpiece is placed on the pressing position of the fixed surface by other loading mechanism. Then the avoiding driving element drives the pressing end to reset, and at the same time, the pressing driving element drives the adjusting end to move away from the fixed surface, and the pressing end moves close to the fixed surface to press the workpiece. When unloading, the pressing driving element drives the pressing end to move away from the fixed surface to release the pressing workpiece, and at the same time, the avoiding driving element drives the pressing end to expose the pressing position of the fixed surface, so that the workpiece can be unloaded. Since the workpiece is pressed by abutting and pressing, the dental handpiece fixing tool can fix dental handpieces of different specifications, and the pressing driving element is used for pressing, so that the pressing is more firm.

[0008] As a further improvement of the above technical solution, the dental handpiece fixing tool further comprises a first reset spring and a second reset spring, one end of the first reset spring and the second reset spring is connected with the adjusting end, the other end of the first reset spring and the second reset spring is connected with the fixed seat, the first reset spring is used for providing elastic force of the pressing end moving away from the fixed surface, and the second reset spring is used for providing elastic force of the pressing end moving in the opposite direction of the direction in which the adjusting end moves under the driving of the avoiding driving element.

[0009] As a further improvement of the above technical solution, the fixed surface is provided with a pressing groove, and the pressing groove is arranged opposite to the pressing surface.

[0010] As a further improvement of the above technical solution, the fixed column is provided with a limiting groove, and the fixed rod is arranged in the limiting groove.

[0011] The utility model discloses still provided a kind of processing equipment, including any one of the dental handpiece fixing tool described above, automatic feeding and discharging mechanism and processing mechanism, the automatic feeding and discharging mechanism is used to feed or discharge workpiece in the dental handpiece fixing tool, and the processing mechanism is used to process the workpiece of the dental handpiece fixing tool.

[0012] As a further improvement of the above technical solution, the processing equipment further includes a two-axis rotating mechanism, and the dental handpiece fixing tool is arranged on a first rotating seat of the two-axis rotating mechanism.

[0013] As a further improvement of the above technical solution, the automatic feeding and discharging mechanism includes a three-axis moving assembly, a grabbing structure and a feeding positioning assembly. The grabbing structure is arranged on a three-axis driving end of the three-axis moving assembly. The three-axis moving assembly is used to drive the grabbing structure to move horizontally in two directions and rotate around the axial direction. The feeding positioning assembly is provided with a plurality of positioning grooves for positioning workpieces. The grabbing structure is used to take the workpieces in the positioning grooves and move them to the dental handpiece fixing tool for pressing.

[0014] As a further improvement of the above technical solution, the three-axis moving assembly comprises a second rotating seat, and the outer peripheral wall of the second rotating seat is uniformly provided with a plurality of grabbing structures.

[0015] As a further improvement of the above technical solution, the processing equipment further comprises a receiving box, and the feeding positioning assembly, the dental machine head fixing tool and the receiving box are sequentially arranged in a ring shape on the outer side of the second rotating seat, and any two of the grabbing structures correspond to the feeding positioning assembly, the dental machine head fixing tool or the dental machine head fixing tool and the receiving box.

[0016] As a further improvement of the above technical solution, the feeding positioning assembly comprises a rotating disc and a rotating driving unit, the rotating driving unit drives the rotating disc to rotate, and a plurality of the positioning grooves are arranged in a ring shape on the rotating disc. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further explained in connection with the drawings and examples;

[0018] Figure 1 is a structural schematic view of an embodiment of the processing equipment provided by the utility model, wherein the six arrows respectively represent forward, backward, leftward, rightward, upward and downward directions;

[0019] Figure 2 is a structural schematic view of an embodiment of the processing equipment provided by the utility model, wherein the six arrows respectively represent forward, backward, leftward, rightward, upward and downward directions;

[0020] Figure 3 is a top view schematic view of an embodiment of the processing equipment provided by the utility model, wherein the four arrows respectively represent forward, backward, leftward and rightward directions;

[0021] Figure 4 is Figure 1 is an enlarged view of A in FIG. 8;

[0022] Figure 5 is a structural schematic view of an automatic feeding and discharging mechanism of an embodiment of the processing equipment provided by the utility model, wherein the six arrows respectively represent forward, backward, leftward, rightward, upward and downward directions.

[0023] REFERENCE SIGNS:

[0024] Positioning base 100, dental machine head fixing tool 200, fixing seat 210, pressing groove 211, fixing rod 220, pressing driving part 230, avoiding driving part 240, fixing column 250, fixing shaft 251, opening groove 252, first reset spring 260, second reset spring 270, automatic feeding and discharging mechanism 300, three-axis moving assembly 310, left and right translation seat 311, front and rear translation seat 312, front and rear driving cylinder 313, left and right driving cylinder 314, rotary cylinder 315, second rotary seat 316, grabbing structure 320, clamping block 321, soft pad layer 322, feeding positioning assembly 330, positioning seat 331, rotating disc 332, third rotary driving unit 333, positioning groove 334, positioning sensor 335, receiving box 400, workpiece 500, two-axis rotating mechanism 600, mounting seat 610, rotating seat 620, rotary seat 630, first rotary driving unit 640, second rotary driving unit 650. DETAILED DESCRIPTION

[0025] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0026] In the description of the utility model, it is understood that the orientation description, such as the orientation or position relationship of the upper, lower, front, rear, left, right and the like indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as the limitation of the utility model.

[0027] In the description of the utility model, if there is a word such as “several” description, its meaning is one or more, the meaning of more than two, greater than, less than, more than, etc. is not included in the number, above, below, within, etc. is understood as including the number.

[0028] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection, etc. should be understood broadly, and the person skilled in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.

[0029] Reference Figures 1 to 5 The utility model discloses a dental machine head fixing tool and processing equipment, and makes the following embodiments:

[0030] A kind of processing equipment, including positioning base 100, dental machine head fixed tool 200, automatic feeding and discharging mechanism 300, processing mechanism and receiving box 400.

[0031] Automatic feeding and discharging mechanism 300 is located in the middle position of positioning base 100, dental machine head fixed tool 200 is located in the rear side of automatic feeding and discharging mechanism 300, processing mechanism is located in the upper side of dental machine head fixed tool 200, not shown in the figure, receiving box 400 is located in the right side of automatic feeding and discharging mechanism 300, automatic feeding and discharging mechanism 300 feeds workpiece 500 to dental machine head fixed tool 200, processing mechanism processes workpiece 500 of dental machine head fixed tool 200, then automatic feeding and discharging mechanism 300 discharges workpiece 500 to receiving box 400, realizes automatic processing workpiece 500, here processing can be polishing or drilling, workpiece 500 can be dental machine head, the workpiece 500 shown in the drawing of the utility model is dental machine head.The processing equipment of the utility model can automatically feed and discharge workpiece 500 of different specifications and process workpiece 500 of different specifications, improve processing efficiency.

[0032] Specifically, refer to Figure 4 Dental machine head fixed tool 200, including fixed seat 210, fixed rod 220, compression driving part 230 and avoiding driving part 240.Fixed seat 210 is equipped with fixed surface, and the fixed surface is arranged in up-down direction, and fixed seat 210 is equipped with fixed column 250 arranged in front-back direction, and fixed column 250 is arranged on one side of fixed surface, and the fixed position of fixed surface is equipped with compression groove 211;

[0033] The both ends of fixed rod 220 are compression end and adjusting end respectively;

[0034] Fixed column 250 is equipped with open slot 252, and open slot 252 is equipped with fixed shaft 251 arranged in up-down direction, and fixed rod 220 is equipped with fixed hole, and fixed rod 220 passes through open slot 252, and fixed shaft 251 passes through fixed hole, so that the middle part of fixed rod 220 is movably arranged in fixed column 250, and fixed rod 220 can swing up-down or front-back, and compression end is equipped with compression surface, and compression groove 211 is arranged opposite to fixed surface, according to lever principle, compression end and adjusting end move in two opposite directions respectively.

[0035] When loading, the avoiding driving element 240 drives the adjusting end to move upward and the pressing end to move downward to expose the pressing groove 211, the workpiece 500 is placed in the pressing groove 211 by the automatic loading and unloading mechanism 300, then the adjusting end is driven to move downward and the pressing end is driven to move upward to reset to the position of the pressing groove 211, while the pressing driving element 230 drives the adjusting end to move forward and the pressing end to move backward to press the workpiece 500; when unloading, the adjusting end is driven to move backward and the pressing end is driven to move forward to release the pressing of the workpiece 500, then the avoiding driving element 240 drives the pressing end to move downward to expose the pressing position of the fixed surface, so that the workpiece 500 can be unloaded, and the automatic loading and unloading mechanism 300 moves the workpiece 500 to the unloading box 400 to unload. Since the workpiece 500 is pressed and fixed by abutting and pressing, the dental handpiece fixing tool 200 can fix dental handpieces of different specifications, and the pressing driving element 230 is used for pressing, so that the pressing is more firm.

[0036] In the embodiment, the fixing rod 220 is not directly connected with the output ends of the avoiding driving element 240 and the pressing driving element 230. In order to ensure that the fixing rod 220 can be smoothly reset during work, the first reset spring 260 and the second reset spring 270 are specially arranged. One end of the two reset springs is connected with the adjusting end, and the other end is connected with the fixing base 210. The first reset spring 260 is mainly used to provide elastic restoring force for moving the pressing end away from the fixed surface, and the second reset spring 270 is mainly used to provide elastic restoring force for moving the pressing end upward. The design ensures that the fixing rod 220 can be stably and effectively reset in different working states.

[0037] The machining device further comprises a two-axis rotating mechanism 600, and the two-axis rotating mechanism 600 comprises a mounting base 610, a first rotating driving unit 640, a rotating base 620, a first rotating seat 630 and a second rotating driving unit 650.

[0038] The mounting seat 610 is mounted on the positioning base 100, the mounting seat 610 is provided with a through slot extending front and back, the rotating seat 620 is arranged in the mounting slot, both ends of the rotating seat 620 are rotatably arranged on the left and right side walls of the through slot, the first rotary driving unit 640 is arranged outside the right side wall of the through slot, the first rotary driving unit 640 is in transmission connection with the rotating shaft of the rotating seat 620, the first rotary driving unit 640 drives the rotating seat 620 to rotate around the rotary axis extending left and right, the first rotary seat 630 is rotatably arranged on the rotating seat 620 around the rotary axis extending front and back, the second rotary driving unit 650 is arranged on the rear side of the rotating seat 620, the second rotary driving unit 650 is in transmission connection with the first rotary seat 630 around the rotary axis extending front and back, the dental handpiece fixing tool 200 is arranged on the first rotary seat 630, the second rotary driving unit 650 drives the dental handpiece fixing tool 200 to rotate around the rotary axis extending front and back, and the first rotary driving unit 640 drives the dental handpiece fixing tool 200 to swing front and back, so that the dental handpiece fixing tool 200 is better matched with the machining mechanism to machine the workpiece 500.

[0039] With reference to Figure 5 The automatic feeding and discharging mechanism 300 mainly comprises a three-axis moving assembly 310, a grabbing structure 320 and a feeding positioning assembly 330. The grabbing structure 320 is mounted on the three-axis driving end of the three-axis moving assembly 310, the three-axis moving assembly 310 is responsible for driving the grabbing structure 320 to move in two directions in the horizontal plane and has the ability to rotate around the axis. The feeding positioning assembly 330 is equipped with a plurality of positioning grooves 334 for accurately positioning the workpiece 500. The function of the grabbing structure 320 is to pick up the workpiece 500 from the positioning grooves 334 and move it to the position of the dental handpiece fixing tool 200 for pressing operation.

[0040] Specifically, the three-axis moving assembly 310 is used to move the grabbing structure 320 to assist feeding and discharging. Specifically, it includes a left-right translation seat 311, a left-right driving cylinder 314, a front-rear translation seat 312, a front-rear driving cylinder 313, a second rotary seat 316 and a rotary cylinder 315.

[0041] The left-right translation seat 311 is designed to slide left and right on the fixed seat 210, and its movement is driven by the left-right driving cylinder 314. Among them, on the left side of the left-right translation seat 311, two limiting blocks are arranged, which abut against the left side of the translation seat 311 to limit the movement.

[0042] The front-rear translation seat 312 is slidably mounted on the left-right translation seat 311 and moves in the front-rear direction by the front-rear driving cylinder 313.

[0043] The rotary cylinder 315 is fixed to the front and rear translation seat 312, and the first rotary seat 630 is connected with the rotary cylinder 315 to realize the rotary motion. The outer peripheral wall of the second rotary seat 316 is uniformly distributed with two grabbing structures 320, which is designed to improve the efficiency of the feeding operation. Through the cooperation of these components, the three-axis moving assembly 310 can accurately control the position and posture of the grabbing structure 320 in the three-dimensional space.

[0044] The left and right drive cylinders 314 drive the grabbing structure 320 to move left to clamp the workpiece 500 of the feeding positioning assembly 330, and then the left and right drive cylinders 314 drive the grabbing structure 320 to move right. The rotary cylinder 315 drives the grabbing structure 320 to rotate so that the grabbing structure 320 is aligned with the dental handpiece fixing tool 200. The front and rear drive cylinders 313 drive the grabbing structure 320 to move the workpiece 500 to the fixed position of the dental handpiece fixing tool 200. In other embodiments, the setting structures of the three moving directions of the three-axis moving assembly 310 can be adjusted according to the actual situation. For example, the rotary cylinder 315 is arranged at the bottom, which can drive the left and right translation seats 311, the left and right drive cylinders 314, the front and rear translation seats 312, and the front and rear drive cylinders 313 to rotate, as long as the final rotating grabbing structure 320 can be achieved.

[0045] The grabbing structure 320 includes two clamping blocks 321 and a clamping driving member for driving the two clamping blocks 321 to approach or move away from each other. The clamping surfaces of the two clamping blocks 321 are provided with soft pad layers 322 which can be made of rubber material to avoid damaging the workpiece 500. In other embodiments, the grabbing structure 320 can be a suction cup or other forms of mechanical claws.

[0046] The feeding positioning assembly 330 includes a positioning seat 331, a rotating disc 332 and a third rotary driving unit 333. The third rotary driving unit 333 is arranged in the positioning seat 331, and drives the rotating disc 332 to rotate. The rotating disc 332 is arranged to face the automatic feeding and unloading mechanism 300 for easy feeding and unloading. A plurality of positioning grooves 334 are arranged in the rotating disc 332 in a ring shape and are spaced apart. The positioning grooves 334 serve to position the workpiece 500. A positioning sensor 335 is arranged beside the rotating disc 332 to detect whether the positioning grooves 334 are rotated to the set position.

[0047] The feeding positioning assembly 330, the dental handpiece fixing tool 200 and the receiving box 400 are arranged in a ring shape and are spaced apart in sequence on the outside of the second rotary seat 316.

[0048] When two grabbing structures 320 are provided, the two grabbing structures 320 are arranged at a 90-degree included angle on the outer periphery of the optional part, and when the left grabbing structure 320 grabs the workpiece 500 of the feeding positioning assembly 330, the right grabbing structure 320 grabs the workpiece 500 of the dental machine head fixing tool 200 at the same time;

[0049] When the rotating grabbing structure 320 rotates clockwise by 90 degrees, the workpiece 500 grabbed by the left grabbing structure 320 is fixed to the dental machine head fixing tool 200, and the workpiece 500 grabbed by the right grabbing structure 320 is unloaded into the receiving box 400, so that synchronous feeding and unloading are realized, and the work efficiency is improved.

[0050] It should be noted that various drive units of the utility model are prior art, and can adopt a cylinder, an electric push rod, and a motor screw rod transmission as a drive unit. In linear motion, a corresponding slide rail is arranged, so that the accuracy of motion is improved, and in rotary motion, a corresponding rotary shaft is arranged, so that the accuracy and stability of rotation are improved. The preferred embodiments of the utility model are specifically described above, but the present application is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or replacements without departing from the spirit of the utility model, and these equivalent modifications or replacements are all included in the range defined by the claims of the present application.

Claims

1. A dental handpiece fixing tool, characterized in that, The utility model relates to a dental handpiece fixing tool, comprising: a fixing base provided with a fixing surface, the fixing base being provided with a fixing column arranged on the fixing surface; a fixing rod having two ends, i.e., a pressing end and an adjusting end, the middle part of the fixing rod being movably arranged on the fixing column, the pressing end being provided with a pressing surface arranged opposite to the fixing surface; a pressing driving member for driving the adjusting end to move away from the fixing surface so that the pressing end is close to the fixing surface to press the workpiece; an avoiding driving member for driving the adjusting end to move along the extension direction of the fixing surface so that the pressing end moves in the opposite direction of the adjusting end and no longer presses the workpiece.

2. The dental handpiece fixing tool according to claim 1, further comprising a first reset spring and a second reset spring, one end of each of the first reset spring and the second reset spring being connected to the adjusting end, the other end of each of the first reset spring and the second reset spring being connected to the fixing base, the first reset spring being configured to provide an elastic force for the pressing end to move away from the fixing surface, and the second reset spring being configured to provide an elastic force for the pressing end to move in the opposite direction of the direction in which the adjusting end is driven to move by the avoiding driving member.

3. The dental handpiece fixing tool according to claim 1, wherein the fixing surface is provided with a pressing groove arranged opposite to the pressing surface.

4. The dental handpiece fixing tool according to claim 1, wherein the fixing column is provided with a limiting groove, and the fixing rod is arranged in the limiting groove. The utility model relates to a dental handpiece fixing tool, an automatic feeding and discharging mechanism and a processing mechanism, the automatic feeding and discharging mechanism is used for feeding or discharging the workpiece to the dental handpiece fixing tool, and the processing mechanism is used for processing and handling the workpiece of the dental handpiece fixing tool.

6. The processing equipment according to claim 5, further comprising a two-axis rotating mechanism, and the dental handpiece fixing tool is arranged on a first rotating seat of the two-axis rotating mechanism.

7. The processing equipment according to claim 6, wherein the automatic feeding and discharging mechanism comprises a three-axis moving assembly, a grabbing structure and a feeding positioning assembly, the grabbing structure is arranged on a three-axis driving end of the three-axis moving assembly, the three-axis moving assembly is used for driving the grabbing structure to laterally translate along two directions of a horizontal plane and rotate around an axial direction, and the feeding positioning assembly is provided with a plurality of positioning grooves for positioning the workpiece, and the grabbing structure is used for taking the workpiece in the positioning groove and moving to the dental handpiece fixing tool to press.

5. A processing apparatus characterized by comprising:

8. The processing equipment according to claim 7, wherein the three-axis moving assembly comprises a second rotating seat, and a plurality of grabbing structures are uniformly arranged on the outer peripheral wall of the second rotating seat.

9. The processing equipment according to claim 8, further comprising a receiving box, and the feeding positioning assembly, the dental handpiece fixing tool and the receiving box are sequentially arranged in a ring shape and are spaced apart on the outside of the second rotating seat, and any two grabbing structures correspond to the feeding positioning assembly, the dental handpiece fixing tool or the dental handpiece fixing tool and the receiving box, respectively. ​ ​ ​ ​ ​ ​ ​ 10. The processing apparatus of claim 8, wherein: the feeding positioning assembly comprises a rotating disc and a rotating driving unit, the rotating driving unit drives the rotating disc to rotate, and a plurality of the positioning slots are annularly and spacedly arranged on the rotating disc.