A watch strap bottom making and polishing device

Abstract

The utility model provides a watchband bottom making and grinding device, comprising a machine base and a clamping mechanism and a grinding mechanism which are arranged on the machine base in a left-right distributed manner; the clamping mechanism comprises an XY-axis moving device, a constant force device, a sliding plate, a clamping device and a supporting device; the XY-axis moving device is arranged on the machine base; the power output end of the XY-axis moving device is connected with a movable frame; the sliding plate is connected to the right part above the movable frame by sliding left and right; the constant force device is fixed on the movable frame and is located on the left side of the sliding plate; the constant force device is connected to the sliding plate; the supporting device and the clamping device are arranged on the sliding plate; the grinding mechanism comprises a Z-axis driving device, a mounting frame, a sand belt, a sand belt driving device, a sand belt tensioning device and a sand belt grinding supporting frame; wherein the sand belt grinding supporting frame is arranged on the mounting frame with an adjustable angle, the sand belt driving device and the sand belt tensioning device are arranged on the mounting frame, and the sand belt is arranged among the sand belt driving device, the sand belt tensioning device and the sand belt grinding supporting frame.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding equipment, in particular to a watch strap bottom grinding equipment. Background Art

[0002] During the processing of the watch strap bottom, its outer surface needs to be polished. The bottom is polished with a sanding belt mechanism. However, for polishing different parts, the sanding belt needs to be adjusted to a suitable angle for polishing. The current sanding belt mechanism generally does not have an adjustment function, which makes the processing difficult. During the polishing process, the sanding belt will wear. If the position of the workpiece is not controlled in time, the processing accuracy will also be affected. Therefore, improvement is needed. Utility Model Content

[0003] The utility model aims to provide a watch strap bottom making and polishing device to solve the problems mentioned in the background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A watchband bottom making and polishing equipment, comprising a machine base and a clamping mechanism and a polishing mechanism installed on the machine base in left and right distributions; the clamping mechanism comprises an XY-axis moving device, a constant force device, a sliding plate, a clamping device and a supporting device; the XY-axis moving device is installed on the machine base; the power output end of the XY-axis moving device is connected to a movable frame; the sliding plate is slidably connected to the right part above the movable frame; the constant force device is fixed on the movable frame and is located on the left side of the sliding plate; the constant force device is connected to the sliding plate; the supporting device comprises a rotating drive device installed on the sliding plate and a carrier installed on the power output end of the rotating drive device; the clamping device is installed on the sliding plate and is located next to the clamping device; the polishing mechanism comprises a Z-axis driving device, a mounting frame, an abrasive belt, an abrasive belt driving device, a sanding belt Belt tensioning device and sanding belt grinding support frame; the Z-axis driving device is installed on the machine base and the power output end is connected to the mounting frame; the sanding belt grinding support frame is arranged on the left part above the mounting frame; the sanding belt grinding support frame is connected to the mounting frame by rotating around the Z-axis through a rotating shaft; an arc-shaped hole is provided on the side of the corresponding rotating shaft on the sanding belt grinding support frame; a plurality of positioning pin holes distributed in an arc shape corresponding to the positions of the arc-shaped holes are provided on the mounting frame; the sanding belt grinding support frame is limited by installing positioning pins in the positioning pin holes; the sanding belt driving device is installed on the mounting frame and is located at the right rear of the sanding belt grinding support frame; the sanding belt tensioning device is installed on the mounting frame and is located at the right front of the sanding belt grinding support frame; the sanding belt is installed between the sanding belt driving device, the sanding belt tensioning device and the sanding belt grinding support frame.

[0006] Further description of the utility model, the constant force device includes a fixed plate, an adjustment seat, a spring, an adjustment knob, a pressure ring, a proximity switch and a sensor sheet; the fixed plate is fixed on the movable frame and is located on the left side of the sliding plate; the adjustment seat is fixed above the fixed plate; a spring mounting hole is provided in the adjustment seat; the pressure ring is arranged in the spring mounting hole; the spring is installed in the spring mounting hole and its two ends respectively touch the pressure ring and the sliding plate; the adjustment knob is threadedly connected to the left side of the adjustment seat and its right end touches the left side of the pressure ring; the proximity switch is fixed on the fixed plate; the sensor sheet is installed on the left side of the sliding plate and corresponds to the position of the proximity switch.

[0007] Further description of the utility model, the clamping mechanism also includes a waxing device; the waxing device includes a first cylinder, a wax cylinder and a wax core; the wax cylinder is fixed at the rear above the sliding plate; the wax core is installed in the wax cylinder; the first cylinder is installed on the fixed plate and the power output end is connected to the wax core through a clamp.

[0008] Further description of the utility model also includes a coolant pipe and a coolant recovery device; the coolant pipe is installed at the front above the sliding plate through a bracket; the coolant recovery device is installed on the machine base and is located between the clamping mechanism and the grinding mechanism.

[0009] Further description of the utility model, the clamping device includes a rotating cylinder and a pressure block; the rotating cylinder is installed on the sliding plate and is located on the left side of the supporting device; the pressure block is rotatably connected to the power output end of the rotating cylinder.

[0010] Further description of the utility model, the sanding belt driving device includes a motor and a driving wheel; the motor is installed in a mounting frame; the driving wheel is arranged above the mounting frame and connected to the power output end of the motor.

[0011] Further description of the utility model, the sanding belt tensioning device includes a connecting rod, a second cylinder, a swing block and a tensioning wheel; the connecting rod is fixed in the mounting frame; one end of the swing block is actively connected to the mounting frame; the tensioning wheel is actively connected to the other end of the swing block; one end of the second cylinder is movably connected to the connecting rod, and the power output end is movably connected to the swing block.

[0012] The beneficial effects of the utility model are:

[0013] The product of this design is placed on a carrier and clamped by a clamping device. During the grinding process, the constant force device provides a constant grinding force for the workpiece to avoid reducing the grinding accuracy due to the wear of the sanding belt. In the grinding mechanism, the angle of the sanding belt grinding support frame can be controlled by inserting the locating pins into different locating pin holes, thereby controlling the angle of the sanding belt grinding workpiece. It has a wider adaptability and can adapt to the processing of different parts of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the overall structure diagram of the utility model;

[0015] Figure 2 It is a structural diagram of the constant force device, sliding plate, clamping device, supporting device and coolant pipe of the utility model;

[0016] Figure 3 It is a partial structural diagram of the constant force device of the utility model;

[0017] Figure 4 This is a structural diagram of the grinding mechanism of the utility model in the first direction;

[0018] Figure 5 It is a structural diagram of the grinding mechanism of the utility model in the second direction. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings:

[0020] like Figure 1-5As shown, a watchband bottom making and polishing device comprises a machine base 1 and a clamping mechanism 2 and a polishing mechanism 3 which are installed on the machine base 1 in a left and right distribution; the clamping mechanism 2 comprises an XY axis moving device 21, a constant force device 22, a sliding plate 23, a clamping device 24 and a supporting device 25; the XY axis moving device 21 is installed on the machine base 1; a movable frame 213 is connected to the power output end of the XY axis moving device 21, and the XY axis moving device 21 is divided into a Y axis moving module 211 and an X axis moving module 212 installed above the Y axis moving module 211, wherein the movable frame 213 is installed at the power output end of the X axis moving module 212; the sliding plate 23 slides left and right The constant force device 22 is fixed on the movable frame 213 and is located on the left side of the sliding plate 23; the constant force device 22 is connected to the sliding plate 23; the support device 25 includes a rotating drive device 251 installed on the sliding plate 23 and a carrier 252 installed at the power output end of the rotating drive device 251; the clamping device 24 is installed on the sliding plate 23 and is located next to the clamping device 24; the grinding mechanism 3 includes a Z-axis driving device 31, a mounting frame 32, a sanding belt 33, a sanding belt driving device 34, a sanding belt tensioning device 35 and a sanding belt grinding support frame 36; the Z-axis driving device 31 is installed on the machine base 1 and is movable The force output end is connected to the mounting frame 32; the sanding belt grinding support frame 36 is arranged on the left part above the mounting frame 32; the sanding belt grinding support frame 36 is connected to the mounting frame 32 by rotating around the Z axis through the rotating shaft 361; the sanding belt grinding support frame 36 is provided with an arc-shaped hole 362 on the side corresponding to the rotating shaft 361; the mounting frame 32 is provided with a plurality of positioning pin holes 321 distributed in an arc shape corresponding to the position of the arc-shaped hole 362; the sanding belt grinding support frame 36 is limited by installing positioning pins 3601 in the positioning pin holes 321; the sanding belt driving device 34 is installed on the mounting frame 32 and is located at the right rear of the sanding belt grinding support frame 36; the sanding belt expansion The tightening device 35 is installed on the mounting frame 32 and is located in the right front of the sanding belt grinding support frame 36; the sanding belt 33 is installed between the sanding belt driving device 34, the sanding belt tensioning device 35 and the sanding belt grinding support frame 36; the product of this design is placed on the carrier 252 and is clamped by the clamping device 24. During the grinding process, the constant force device 22 provides a constant grinding force for the workpiece to avoid reducing the grinding accuracy due to the wear of the sanding belt 33. In the grinding mechanism 3, the angle of the sanding belt grinding support frame 36 can be controlled by inserting the locating pin 3601 into different locating pin holes 321, thereby controlling the angle of the sanding belt 33 grinding the workpiece. It has wider adaptability and can adapt to the processing of different parts of the workpiece.

[0021] The constant force device 22 includes a fixed plate 221, an adjustment seat 222, a spring 223, an adjustment knob 224, a pressure ring 225, a proximity switch 226 and a sensing sheet 227; the fixed plate 221 is fixed on the movable frame 213 and is located on the left side of the sliding plate 23; the adjustment seat 222 is fixed above the fixed plate 221; a spring mounting hole is provided in the adjustment seat 222; the pressure ring 225 is arranged in the spring mounting hole; the spring 223 is installed in the spring mounting hole and the two ends respectively touch the pressure ring 225 and the sliding plate 23; the adjustment knob 224 is threadedly connected to the left side of the adjustment seat 222 and the right end touches the left side of the pressure ring 225; the proximity switch 2 26 is fixed on the fixed plate 221; the sensing sheet 227 is installed on the left side of the sliding plate 23 and corresponds to the position of the proximity switch 226. The left and right positions are controlled by turning the adjusting knob 224, and the top contact pressure ring 225 controls the position of the pressure ring 225. The control spring 223 provides different pressures on the sliding plate 23. The proximity switch 226 and the sensing sheet 227 cooperate to sense the position between the sliding plate 23 and the fixed plate 221. During the grinding process, the X-axis moving module 212 controls the sliding frame to move to the right until the proximity switch 226 senses that the sensing sheet 227 moves to the set position and stops, thereby ensuring that the workpiece is ground under the set pressure and improving the machining accuracy.

[0022] The clamping mechanism 2 also includes a waxing device 26; the waxing device 26 includes a first cylinder 261, a wax cylinder 262 and a wax core 263; the wax cylinder 262 is fixed to the rear above the sliding plate 23; the wax core 263 is installed in the wax cylinder 262; the first cylinder 261 is installed on the fixed plate 221 and the power output end is connected to the wax core 263 through a clamp 2611. After the sanding belt 33 has been used for a certain period of time, the sanding belt 33 is waxed and maintained by the waxing device 26, the first cylinder 261 controls the wax core 263 to be pushed out, the wax core 263 contacts the sanding belt 33, and the sanding belt driving device 34 controls the sanding belt 33 to run to wax the sanding belt 33.

[0023] It also includes a coolant pipe 4 and a coolant recovery device 5; the coolant pipe 4 is installed on the front part above the sliding plate 23 through a bracket; the coolant recovery device 5 is installed on the machine base 1 and is located between the clamping mechanism 2 and the grinding mechanism 3.

[0024] The clamping device 24 includes a rotating cylinder 241 and a pressure block 242; the rotating cylinder 241 is installed on the sliding plate 23 and is located on the left side of the supporting device 25; the pressure block 242 is rotatably connected to the power output end of the rotating cylinder 241, and the rotating cylinder 241 controls the pressure block 242 to be pressed down to the top of the workpiece. During the workpiece processing, the rotation is controlled by the rotating drive device 251, and the pressure block 242 rotates with the workpiece.

[0025] The sanding belt driving device 34 includes a motor 341 and a driving wheel 342; the motor 341 is installed in the mounting frame 32; the driving wheel 342 is arranged above the mounting frame 32 and connected to the power output end of the motor 341, the motor 341 controls the driving wheel 342 to rotate, and the driving wheel 342 drives the sanding belt 33 to run.

[0026] The belt tensioning device 35 includes a connecting rod 351, a second cylinder 352, a swing block 353 and a tensioning wheel 354; the connecting rod 351 is fixed in the mounting frame 32; one end of the swing block 353 is actively connected to the mounting frame 32; the tensioning wheel 354 is actively connected to the other end of the swing block 353; one end of the second cylinder 352 is movably connected to the connecting rod 351, and the power output end is movably connected to the swing block 353. When it is necessary to adjust the angle of the belt grinding support frame 36, the second cylinder 352 is retracted. After the adjustment is completed, the second cylinder 352 is pushed out to control the tensioning wheel 354 to tighten the sanding belt 33.

[0027] The above description does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A watchband bottom making and polishing device, comprising a machine base and a clamping mechanism and a polishing mechanism which are arranged on the machine base on the left and right sides; characterized in that: The clamping mechanism comprises an XY-axis moving device, a constant force device, a sliding plate, a clamping device and a supporting device; the XY-axis moving device is installed on the machine base; the power output end of the XY-axis moving device is connected to a movable frame; the sliding plate is slidably connected to the right part above the movable frame; the constant force device is fixed on the movable frame and is located on the left side of the sliding plate; the constant force device is connected to the sliding plate; the supporting device comprises a rotating driving device installed on the sliding plate and a carrier installed on the power output end of the rotating driving device; the clamping device is installed on the sliding plate and is located next to the clamping device; the grinding mechanism comprises a Z-axis driving device, a mounting frame, a sand belt, a sand belt driving device, a sand belt tensioning device and a sand belt grinding supporting frame; the Z-axis driving device The driving device is installed on the machine base and the power output end is connected to the mounting frame; the sanding belt grinding support frame is arranged on the left part above the mounting frame; the sanding belt grinding support frame is connected to the mounting frame by rotating around the Z axis through a rotating shaft; an arc-shaped hole is provided on the side of the corresponding rotating shaft on the sanding belt grinding support frame; a plurality of positioning pin holes distributed in an arc shape corresponding to the positions of the arc-shaped holes are provided on the mounting frame; the sanding belt grinding support frame is limited by installing positioning pins in the positioning pin holes; the sanding belt driving device is installed on the mounting frame and is located at the right rear of the sanding belt grinding support frame; the sanding belt tensioning device is installed on the mounting frame and is located at the right front of the sanding belt grinding support frame; the sanding belt is installed between the sanding belt driving device, the sanding belt tensioning device and the sanding belt grinding support frame.

2. The watchband bottom making and polishing device according to claim 1, characterized in that: The constant force device includes a fixed plate, an adjustment seat, a spring, an adjustment knob, a pressure ring, a proximity switch and a sensing sheet; the fixed plate is fixed on the movable frame and is located on the left side of the sliding plate; the adjustment seat is fixed above the fixed plate; a spring mounting hole is provided in the adjustment seat; the pressure ring is arranged in the spring mounting hole; the spring is installed in the spring mounting hole and its two ends respectively touch the pressure ring and the sliding plate; the adjustment knob is threadedly connected to the left side of the adjustment seat and its right end touches the left side of the pressure ring; the proximity switch is fixed on the fixed plate; the sensing sheet is installed on the left side of the sliding plate and corresponds to the position of the proximity switch.

3. The watchband bottom making and polishing device according to claim 2, characterized in that: The clamping mechanism also includes a waxing device; the waxing device includes a first cylinder, a wax cylinder and a wax core; the wax cylinder is fixed to the rear above the sliding plate; the wax core is installed in the wax cylinder; the first cylinder is installed on the fixed plate and the power output end is connected to the wax core through a clamp.

4. The watchband bottom making and polishing device according to claim 1, characterized in that: It also includes a coolant pipe and a coolant recovery device; the coolant pipe is installed on the front part above the sliding plate through a bracket; the coolant recovery device is installed on the machine base and is located between the clamping mechanism and the grinding mechanism.

5. The watchband bottom making and polishing device according to claim 1, characterized in that: The clamping device comprises a rotating cylinder and a pressing block; the rotating cylinder is mounted on the sliding plate and is located on the left side of the supporting device; the pressing block is rotatably connected to the power output end of the rotating cylinder.

6. The watchband bottom making and polishing device according to claim 1, characterized in that: The sand belt driving device comprises a motor and a driving wheel; the motor is installed in a mounting frame; the driving wheel is arranged above the mounting frame and connected to the power output end of the motor.

7. The watchband bottom making and polishing device according to claim 1, characterized in that: The belt tensioning device includes a connecting rod, a second cylinder, a swing block and a tensioning wheel; the connecting rod is fixed in a mounting frame; one end of the swing block is actively connected to the mounting frame; the tensioning wheel is actively connected to the other end of the swing block; one end of the second cylinder is movably connected to the connecting rod, and the power output end is movably connected to the swing block.

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