Mechanical watch balance wheel binding clamp and equipment
By combining a mechanical balance wheel mounting fixture with an electric screwdriver, stable clamping and automated mounting of the balance wheel are achieved, solving the problems of low assembly efficiency and part damage in existing technologies, and improving operational efficiency and safety.
Patent Information
- Application Number
- CN202520028230.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-07
AI Technical Summary
In the existing technology, the assembly process of the balance wheel of a mechanical watch is cumbersome and inefficient, and it is easy to damage the parts, especially the screws, which are prone to falling off or scratching the balance wheel.
The mechanical balance wheel mounting fixture includes a pressing unit, a support platform, and a limiting unit. Through the cooperation of the positioning plate, pressure block, and ejector pin, the balance wheel is stably clamped and its angle is adjusted. It is also combined with an electric screwdriver head for automated mounting.
This improves the efficiency and reliability of balance wheel mounting, reduces the risk of component damage, and lowers the workload for operators.
Smart Images

Figure CN223611844U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of mechanical watch movement production, especially a kind of mechanical watch balance wheel installs clamp and equipment. BACKGROUND
[0002] In mechanical watch movement, balance wheel is cooperated with escapement mechanism by the stable period vibration of itself, controls the running time of watch, is important part in movement, in part watch, in order to improve the rotational inertia of balance wheel, screw will be set along the symmetry of balance wheel periphery.In the present, the balance wheel is mostly assembled by the mode that screw is tightened in the screw hole of balance wheel after manually holding balance wheel, in the operation process, operator needs to first adsorb screw on the head of screwdriver, then holds balance wheel with one hand and holds screwdriver with the other hand, and screw is tightened on the screw hole of balance wheel, then the angle of balance wheel is adjusted and the above-mentioned operation is repeated multiple times to tighten screw on the edge of balance wheel.Such operation is not only tedious and inefficient, but also screw is easy to fall off from screwdriver in the process of assembling and adjusting the angle of balance wheel, and screwdriver is easy to scratch balance wheel, leading to part scrap. SUMMARY
[0003] Therefore, the utility model aims at providing a kind of mechanical watch balance wheel installs clamp and equipment to facilitate operator to tighten screw on balance wheel stably and reliably.
[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0005] A kind of mechanical watch balance wheel installs clamp, including
[0006] Pressing unit, it includes action mechanism, center handle and press block, the center handle is connected with action mechanism, the press block is rotationally connected with center handle;
[0007] Supporting table, a positioning disc is rotationally connected on it, the action mechanism can drive center handle to be close to or away from positioning disc, and when center handle moves to the limit position close to positioning disc, press block is tightly pressed on positioning disc, and press block and positioning disc can rotate synchronously;
[0008] The side of supporting table is rotationally connected with a turnover frame, and when supporting table rotates to the first limit position, positioning disc is in horizontal posture, when supporting table rotates to the second limit position, positioning disc is in vertical posture.Further, the first limiting unit is further included in the clamp, including synchronous rotating disc with positioning disc, a plurality of positioning recesses are formed on the outer edge of the surface of rotating disc along the week, the side of supporting table is provided with marble, and when rotating disc rotates, marble can be clamped into positioning recess.
[0009] Further, the first rotating shaft is arranged in the supporting table, and the positioning disc and the rotating disc are respectively fixed on the two ends of the first rotating shaft.
[0010] Further, the clamp further comprises a second limiting unit, which comprises a top pin capable of moving close to or away from the positioning disc, and when the top pin moves towards the balance wheel direction, the end of the top pin can be clamped into the nail hole of the balance wheel.
[0011] Further, the action mechanism comprises a pressing handle and a connecting rod, one end of the connecting rod is connected with the central handle, and the other end of the connecting rod and the pressing handle are connected through a second rotating shaft, and the pressing handle can drive the connecting rod to rotate around the second rotating shaft.
[0012] Further, one side of the second rotating shaft is provided with a locking unit, the locking unit comprises a locking head capable of moving towards the second rotating shaft direction, and the end of the connecting rod connected with the second rotating shaft is provided with a locking slot, when the connecting rod rotates to the pressing block tightly pressing on the balance wheel, the locking head can be clamped into the locking slot.
[0013] Further, the pressing handle is provided with a first cam, and one side of the locking head is further provided with an unlocking surface, when the pressing handle rotates, the first cam can press the unlocking surface, so that the locking head and the slot are separated.
[0014] Further, a torsional spring is sleeved on the second rotating shaft, one torsional arm of the torsional spring is overlapped on the connecting rod, and the other torsional arm is overlapped on the supporting table, when the connecting rod drives the pressing block to move towards the positioning disc direction, the torsional spring can accumulate elastic potential energy.
[0015] Further, the end of the connecting rod is provided with a second cam, and when the connecting rod rotates around the second rotating shaft, the second cam can abut against the outer end of the top pin, so that the top pin moves towards the positioning disc direction.
[0016] Based on the above nail clamping jig, the application further provides a balance wheel nail clamping device, which comprises the above nail clamping jig and an electric screwdriver head, and when the balance wheel rotates, the nail hole of the balance wheel can correspond to the electric screwdriver head, and the electric screwdriver head can move close to or away from the positioning disc.
[0017] Compared with the prior art, the mechanical watch balance wheel nail clamping jig has the following advantages:
[0018] The utility model discloses adopt the pressing head of rotation and positioning disc clamping balance wheel, so that the operator rotates the balance wheel after installing a screw, thereby sequentially installing multiple screws of the balance wheel in a week.
[0019] The pin and the groove on the wheel disc are matched, so as to position the balance wheel after rotating to the preset angle, and prevent the balance wheel from rotating freely during the nail installation process.
[0020] When the balance wheel is installed on the positioning disc, the initial position of the balance wheel is limited by the top pin, so that the nail hole of the balance wheel corresponds to the groove of the wheel disc, and the nail installation angle of the balance wheel is unified.
[0021] The locking head cooperates with the locking notch, so that the operator can be separated from the pressing action of the swing wheel after the pressing of the swing wheel, and the swing wheel is continuously pressed on the positioning disc during assembly by fixing the connecting rod with the locking head;
[0022] The first cam on the pressing handle cooperates with the unlocking surface, so that when the pressing handle is reversely rotated, the first cam extrudes the locking head downward, so that the connecting rod is unlocked, and the connecting rod is popped up by the torsional spring;
[0023] The guide hole is arranged on one side of the swing wheel, so that the screw is limited during the screw installation process, the screw is prevented from deviating during the installation process, and the operator can place the screw at the preset position;
[0024] The turnover frame is arranged on one side of the bottom of the support table, so that the support table can be rotated as a whole, so that the operator can place and fix the swing wheel in a horizontal state, and then the support table can be turned over, so that the operator can adjust the swing wheel to a vertical state, so that the screw is installed;
[0025] The electric screwdriver head corresponding to the swing wheel screw hole in the screw installation equipment saves the labor intensity of the operator. BRIEF DESCRIPTION OF DRAWINGS
[0026] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the present application, and are incorporated herein for purposes of illustration. The embodiments of the present application, and the explanations given, serve to explain the present application, and are not intended to limit the present application in any manner. In the drawings:
[0027] Figure 1 It is an open state schematic diagram of the screw installation clamp;
[0028] Figure 2 It is Figure 1 It is an enlarged schematic diagram of A in the middle;
[0029] Figure 3 It is a schematic diagram of the screw installation clamp clamping the swing wheel;
[0030] Figure 4 It is a schematic diagram of the state after the support table is turned over;
[0031] Figure 5 It is a schematic diagram of the action mechanism structure;
[0032] Figure 6 It is a schematic diagram of the overall structure of the screw installation equipment.
[0033] Explanation of the reference signs:
[0034] 1-pressing unit; 11-action mechanism; 111-press handle; 1111-limiting head; 1112-first cam; 112-connecting rod; 1121-second cam; 1122-locking notch; 113-second rotating shaft; 114-torsional spring; 12-center handle; 13-pressing block; 2-supporting table; 21-positioning disc; 22-first rotating shaft; 24-locking unit; 241-guiding sleeve; 242-locking head; 243-unlocking surface; 244-locking spring; 23-first limiting unit; 231-wheel disc; 232-groove; 233-poppet; 234-limiting spring; 25-second limiting unit; 251-thimble; 252-protruding block; 253-return spring; 26-positioning block; 261-guiding hole; 27-supporting surface; 3-base; 31-flipping frame; 4-pendulum; 5-electric screwdriver head; 6-screw. DETAILED DESCRIPTION
[0035] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.
[0036] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0037] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0038] The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0039] The utility model discloses a mechanical watch balance 4 nail clamp, including pressing unit 1 and support station 2, pressing unit 1 includes action mechanism 11, center handle 12 and press block 13, center handle 12 is connected with action mechanism 11, press block 13 is rotatably connected with center handle 12, the support station 2 is rotatably connected with positioning disc 21, positioning disc 21 extends the positioning pin along the axial direction, and the center hole of watch balance 4 is inserted on the positioning pin, so that balance 4 is coaxially connected with positioning disc 21. So that the person skilled in the art can rotate balance 4, adjust the angle of balance 4, to improve the efficiency of nail.
[0040] The action mechanism 11 can be a cylinder, electric slide rail and the like, drive center handle 12 to be close to or away from positioning disc 21, and make press block 13 can be tightly pressed on positioning disc 21, so that positioning disc 21, balance 4 and press block 13 can rotate synchronously. In the embodiment, the action mechanism 11 includes press handle 111 and connecting rod 112, the center handle 12 is connected with one end of connecting rod 112, the other end of connecting rod 112 and press handle 111 are connected through the second pivot 113, and press handle 111 can drive connecting rod 112 to rotate around the second pivot 113. Specifically, in the embodiment, the press handle 111 is connected with the second pivot 113, and one end of the second pivot 113 extends a limiting head 1111 to one side of the connecting rod 112. When the press handle 111 rotates, the limiting head 1111 can abut against one side edge of the connecting rod 112, so that the press handle 111 drives the connecting rod 112 to rotate. At the same time, when the press handle 111 reversely rotates, the limiting head 1111 can be separated from the connecting rod 112. In other embodiments, the press handle 111 can be fixedly connected with the second pivot 113 by opening a key groove on the second pivot 113, and a key block is arranged on the connecting hole of the connecting rod 112, so that the press handle 111 drives the connecting rod 112 to rotate through the second pivot 113. The operator controls the connecting rod 112 through the press handle 111 or directly pulls the connecting rod 112 to make the press block 13 move towards the positioning disc 21. The press block 13 is rotatably connected with one end of the center handle 12, and the other end of the center handle 12 is hinged with the connecting rod 112, so that the press block 13 can automatically adjust its angle and position through the contact with the balance 4 when the press block 13 contacts with the balance 4. In the embodiment, the support station 2 is provided with a mounting groove on one side, and the second pivot 113 is arranged in the mounting groove and connected with the groove walls on both sides of the mounting groove.
[0041] The second rotating shaft 113 is provided with a locking unit 24 below, the locking unit 24 comprises a locking head 242, and the end, connected with the second rotating shaft 113, of the connecting rod 112 is provided with a locking notch 1122; when the connecting rod 112 rotates to press the pressing block 13 on the balance wheel 4, the locking head 242 can be clamped into the locking notch 1122. Optionally, the locking head 242 can be controlled to move through a pneumatic cylinder, an electric sliding rail and the like, and can also be controlled to move through a grating device; in the embodiment, the locking head 242 is arranged on the end face of a guide sleeve 241, the guide sleeve 241 is provided with a locking spring 244, one end of the locking spring 244 abuts against the top of the inner hole of the guide sleeve, and the other end abuts against the upper surface of the base 3; when the connecting rod 112 rotates, the locking head 242 can abut against the outer periphery of the end of the connecting rod 112; when the connecting rod 112 moves to a predetermined position, the locking head 242 is clamped into the locking notch 1122 upwards, so that the connecting rod 112 stops rotating after reaching the predetermined position, the pressure on the balance wheel 4 is kept, and the balance wheel 4 is continuously pressed on the positioning disc 21. The end, connected with the second rotating shaft 113, of the pressing handle 111 is provided with a first cam 1112, and the side of the locking head 242 is also provided with an unlocking surface 243; when the pressing handle 111 rotates, the first cam 1112 can first press the unlocking surface 243 downwards, so that the guide sleeve 241 moves away from the connecting rod 112, and then the locking head 242 is separated from the locking notch 1122, so that the connecting rod 112 can be lifted upwards, and the pressing block 13 is separated from the balance wheel 4. In the embodiment, the second rotating shaft 113 is also provided with a torsional spring 114, one torsional arm of the torsional spring 114 is overlapped on the connecting rod 112, and the other torsional arm is overlapped on the support table 2; when the connecting rod 112 drives the pressing block 13 to move towards the positioning disc 21, the torsional spring 114 can accumulate elastic potential energy; when the locking head 242 is unlocked from the connecting rod 112, the torsional spring 114 can release the elastic potential energy, so that the connecting rod 112 is separated from the balance wheel 4 in time.
[0042] The mechanical watch balance wheel 4 pinning clamp further comprises a first limiting unit 23, which comprises a wheel disc 231 rotating synchronously with the positioning disc 21, a plurality of positioning recesses are opened on the outer edge of the surface of the wheel disc 231 in a circle, and the positioning recesses correspond to the pinning screw holes on the balance wheel 4 one by one, and the support table 2 is provided with a marble 233, specifically, a blind hole is opened in the support table 2, the marble 233 is arranged in the blind hole, a limiting spring 234 is further arranged in the blind hole, one end of the limiting spring 234 abuts against the marble 233, and the other end abuts against the bottom of the blind hole; when the wheel disc 231 rotates, the marble 233 can be clamped into the positioning recess, and the outer edge of the wheel disc 231 protrudes from the edge of the support table 2, so that an operator can rotate the wheel disc 231, thereby driving the balance wheel 4 to rotate. The wheel disc 231 and the positioning disc 21 are connected through a first rotating shaft 22, specifically, a through hole is opened in the support table 2, the first rotating shaft 22 is connected with the through hole through a bearing, and the wheel disc 231 and the positioning disc 21 are respectively fixedly arranged at the two ends of the first rotating shaft 22.
[0043] The mechanical watch balance 4 nail clamp further includes a second limiting unit 25, which includes a thimble 251 capable of approaching or moving away from the positioning disc 21, and when the thimble 251 moves in the direction of the balance 4, the end of the thimble 251 can be clamped into the nail hole of the balance 4. Specifically, the support table 2 is provided with a protruding block 252 above, the protruding block 252 is provided with a stepped through hole, the thimble 251 is inserted into the stepped through hole, the outer wall of the thimble 251 is provided with a ring table, and the ring table and the step of the stepped through hole are provided with a reset spring 253, and when the thimble 251 moves in the direction of the positioning disc 21, the reset spring 253 is compressed and deformed. One end of the connecting rod 112 connected with the second shaft 113 is provided with a second cam 1121, the locking slot 1122 is arranged on the outer circumference of the second cam 1121, and when the connecting rod 112 is lifted upward to the initial position, the second cam 1121 can abut against the outer end of the thimble 251, so that the thimble 251 moves in the direction of the balance 4. When the balance 4 is placed, one nail hole on the balance 4 can abut against the thimble 251 to determine the initial position of the balance 4. At this time, the billiard ball 233 is placed in one of the grooves 232 on the disc 231, so that during the rotation of the disc 231, there is always a nail hole facing the position of the preset mounting screw, so as to facilitate the operator to install the screw. When the connecting rod 112 is pressed down, the second cam 1121 is separated from the end of the thimble 251 with the rotation of the connecting rod 112, the reset spring 253 pushes the thimble 251 outward, so that the thimble 251 is separated from the balance 4, so as to prevent the thimble 251 from scratching the surface of the balance 4 during the process of installing the nail.
[0044] The Support table One side is also provided with a positioning block 26, the positioning block 26 is provided with a guide hole 261, the guide hole 261 is a horn-shaped opening facing away from the positioning disc 21, when the balance 4 rotates, the guide hole 261 can correspond to the nail hole of the balance 4, the operator can put the screw into the guide hole 261, so that the screw enters the nail hole of the balance 4, to prevent the screw from falling off or deviating to one side to scratch the balance 4 during the process of installing the nail.
[0045] The support table 2 is rotationally connected with a turnover frame 31, specifically, the turnover frame 31 is fixedly connected with the base 3, the support table 2 is rotationally connected with the turnover frame 31, one side of the support table 2 is provided with a support surface 27, when the support table 2 is rotated by the turnover frame 31, the support surface 27 can be abutted on the base 3, in the embodiment, the support surface 27 is at an angle of 90° with the bottom surface of the support table 2, so that when the bottom surface of the support table 2 is in contact with the upper surface of the base 3, the positioning disc 21 is horizontally arranged, and the balance wheel 4 is conveniently placed, when the balance wheel 4 is clamped by the pressing block 13, the support table 2 is turned over, the support surface 27 is in contact with the upper surface of the base 3, so that the balance wheel 4 is vertically placed, and the screw is conveniently installed into the guide hole 261.
[0046] Based on the screw mounting clamp, the application further provides a balance wheel 4 screw mounting device, which comprises the screw mounting clamp and an electric screwdriver head 5, and when the balance wheel 4 is rotated, the screw mounting hole of the balance wheel 4 can correspond to the electric screwdriver head 5. Specifically, the electric screwdriver head 5 can be controlled in position by a connecting rod 112 mechanism, a cylinder or a linear slide rail, in a more preferred scheme, the electric screwdriver head 5 can have a function of controlling torque, so as to prevent the screw from being damaged due to excessive torque. The electric screwdriver head 5 can be horizontally arranged. In the preferred scheme of the embodiment, the electric screwdriver head 5 is vertically arranged, when the support table 2 is turned over to vertically arrange the balance wheel 4, the electric screwdriver head 5 corresponds to the guide hole 261, when the screw is placed into the guide hole 261, the electric screwdriver head 5 can be inserted into the guide hole 261 to tighten the screw on the balance wheel 4. Alternatively, the electric screwdriver head 5 can also attract the screw by magnetic attraction or negative pressure, and drive the screw to be inserted into the guide hole 261 to complete the screw mounting work.
[0047] The bottom of the pressing block 13 is further provided with a rubber pad, so as to prevent the balance wheel 4 from being damaged in the pressing process of the pressing block 13.
[0048] The above merely describes the preferred embodiments of the present application and is not used to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A mechanical watch balance wheel pinning jig, characterized by: The utility model provides a kind of electric screwdriver head and the nail clamping fixture of being equipped with, it includes Pressing unit, which includes action mechanism, center handle and pressing block, the center handle is connected with action mechanism, the pressing block is rotationally connected with the center handle; A positioning disc is rotationally connected to the support table, the action mechanism can drive the center handle to approach or move away from the positioning disc, and when the center handle moves to the limit position close to the positioning disc, the pressing block tightly presses the balance wheel on the positioning disc, and the pressing block and the positioning disc can rotate synchronously; The support table is rotationally connected to a turnover frame on one side, and when the support table rotates to the first limit position, the positioning disc is in a horizontal posture, and when the support table rotates to the second limit position, the positioning disc is in a vertical posture.
2. A mechanical watch balance wheel mounting jig according to claim 1, characterized in that: It also includes a first limiting unit, which includes a wheel disc that rotates synchronously with the positioning disc, a plurality of positioning recesses are formed on the outer edge of the surface of the wheel disc, the support table is provided with a marble on one side, and when the wheel disc rotates, the marble can be clamped into the positioning recess.
3. A mechanical watch balance wheel mounting jig according to claim 1, characterized in that: The support table is provided with a first rotating shaft, and the positioning disc and the wheel disc are fixedly arranged at the two ends of the first rotating shaft.
4. A mechanical watch balance wheel mounting jig according to claim 1, characterized in that: It also includes a second limiting unit, which includes a thimble that can approach or move away from the positioning disc, and when the thimble moves towards the balance wheel, the end of the thimble can be clamped into the nail hole of the balance wheel.
5. A mechanical watch balance wheel mounting jig according to claim 1, characterized in that: The action mechanism includes a pressing handle and a connecting rod, the center handle is connected to one end of the connecting rod, the other end of the connecting rod and the pressing handle are connected through a second rotating shaft, and the pressing handle can drive the connecting rod to rotate around the second rotating shaft.
6. A mechanical watch balance wheel mounting jig according to claim 5, characterized in that: The second rotating shaft is provided with a locking unit on one side, the locking unit includes a locking head that can move towards the second rotating shaft, and the end of the connecting rod connected to the second rotating shaft is provided with a locking slot, when the connecting rod rotates to the position where the pressing block tightly presses the balance wheel, the locking head can be clamped into the locking slot.
7. A mechanical watch balance wheel mounting jig according to claim 6, characterized in that: The pressing handle is provided with a first cam, and the locking head is also provided with an unlocking surface on one side, when the pressing handle rotates, the first cam can press the unlocking surface, so that the locking head and the slot are separated.
8. A mechanical watch balance wheel mounting jig according to claim 5, characterized in that: The second rotating shaft is sleeved with a torsional spring, one torsional arm of the torsional spring is overlapped on the connecting rod, and the other torsional arm is overlapped on the support table, when the connecting rod drives the pressing block to move towards the positioning disc, the torsional spring can accumulate elastic potential energy.
9. A mechanical watch balance wheel mounting jig according to claim 5, characterized in that: The end of the connecting rod is provided with a second cam, and when the connecting rod rotates around the second rotating shaft, the second cam can abut against the outer end of the thimble, so that the thimble moves towards the positioning disc.
10. A mechanical watch balance wheel pinning apparatus, characterized by: It includes the nail clamping fixture and the electric screwdriver head of any one of claims 1-9, and when the balance wheel is in a vertical posture, the nail hole of the balance wheel can correspond to the electric screwdriver head, and the electric screwdriver head can approach or move away from the positioning disc.