Polygonal shell sanding machine

Abstract

The utility model provides a polygonal shell sanding machine. The polygonal shell sanding machine comprises a case, a mounting mechanism and an abrasive belt polishing mechanism, wherein the mounting mechanism and the abrasive belt polishing mechanism are distributed and mounted on the case left and right; the mounting mechanism comprises an X-axis driving module, a flexible jacking device, a sliding frame and a profiling device; the X-axis driving module is mounted on the case; the power output end of the X-axis driving module is connected with a connecting frame; the sliding frame is connected to the right part above the connecting frame in a left-right sliding manner; the flexible jacking device is fixed to the connecting frame and located on the left side of the sliding frame. One end of the flexible jacking device is propped against the sliding frame; the profiling device comprises a profiling shaft, a rotary driving device, an elastic clamping device, an ejection air cylinder and a profiling pressing wheel assembly; the abrasive belt grinding mechanism comprises a mounting frame, a Z-axis driving device and an abrasive belt grinding device; the mounting frame is fixed on the case; the Z-axis driving device is installed on the installation frame, and the power output end of the Z-axis driving device is connected with the abrasive belt grinding device. By means of the design, grinding of the polygonal shell can be completed efficiently and precisely.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding equipment, in particular to a polygonal shell sand blasting machine. Background Art

[0002] There is currently a watch case whose outer periphery is a polygon. During the processing, its outer periphery needs to be polished. However, due to its polygonal structure, polishing is difficult. Currently, manual polishing is usually used. However, manual polishing is inefficient and the polishing accuracy is not high, which makes it difficult to meet production needs. Utility Model Content

[0003] The purpose of the utility model is to provide a polygonal shell sand blasting machine to solve the problems mentioned in the background technology.

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

[0005] A polygonal shell sand blasting machine comprises a chassis and a mounting mechanism and a belt grinding mechanism distributedly installed on the chassis on the left and right sides; the mounting mechanism comprises an X-axis drive module, a flexible top pressure device, a sliding frame and a mold device; the X-axis drive module is installed on the chassis; the power output end of the X-axis drive module is connected to the connecting frame; the sliding frame is slidably connected to the right part above the connecting frame on the left and right sides; the flexible top pressure device is fixed on the connecting frame and is located on the left side of the sliding frame; one end of the flexible top pressure device touches the sliding frame; the mold device comprises a mold shaft, a rotary drive device, an elastic clamping device, a material ejecting cylinder and a mold pressing wheel assembly; the mold shaft is rotatably connected to the sliding frame; the mold shaft has a first inner hole, and a shape-preventing convex portion with a polygonal cross section is provided at the middle position of the outer side; the elastic clamping device is installed at the position of the first inner hole The cam is used to hold the workpiece at the upper end of the die shaft; the ejecting cylinder is installed at the bottom of the sliding frame and is located below the elastic clamping device, and is used to control the elastic clamping device to release the workpiece; the rotary drive device is installed on the sliding frame and the power output end is connected to the die shaft; the die pressure wheel assembly includes a base, a slide, a first spring, a pressure wheel and a touch screw; the base is fixed on the sliding frame and is located on the right side of the die shaft; the slide slides left and right and is connected above the base; the first spring is installed in the base and the right end touches the slide; the pressure wheel is fixed above the slide and is located on the right side of the anti-shaped protrusion; the touch screw is fixed on the right side of the slide; the belt grinding mechanism includes a mounting frame, a Z-axis drive device and a belt grinding device; the mounting frame is fixed on the chassis; the Z-axis drive device is installed on the mounting frame and the power output end is connected to the belt grinding device.

[0006] Further description of the present invention, the flexible pressing device includes a first mounting seat, an adjustment seat, an adjusting knob, a pressure ring and a second spring; the first mounting seat is fixed on the connecting frame; the adjustment seat is fixed above the first mounting seat; a mounting hole is provided in the adjustment seat; the pressure ring is arranged in the mounting hole; the adjusting knob is threadedly connected to the left side of the adjustment seat and the right end touches the left side of the pressure ring; the second spring is installed in the mounting hole and the two ends respectively touch the pressure ring and the sliding frame.

[0007] Further description of the present invention, the rotary drive device includes a reduction motor, a driving gear and a driven gear; the reduction motor is fixed on the sliding frame and is located on the left side of the mold shaft; the driving gear is fixed on the power output end of the reduction motor; the driven gear is fixed on the mold shaft and meshes with the driving gear.

[0008] Further description of the present invention: the elastic clamping device includes a pull rod, an elastic clip, a third spring, a spring limiter and a push rod; the pull rod is movably connected up and down in the first inner hole; a second inner hole is provided in the pull rod; the elastic clip is fixed at the upper end of the pull rod; the elastic clip extends above the first inner hole; the spring limiter is fixed at the lower end of the pull rod; the third spring is sleeved on the outside of the pull rod and the spring limiter; the two ends of the third spring respectively touch the mold shaft and the spring limiter; the push rod is arranged in the second inner hole and is connected to the mold shaft through an axle pin; a vertically arranged strip hole is provided on the pull rod corresponding to the axle pin position.

[0009] Further description of the present invention, the profiling device also includes a support and positioning assembly; the support and positioning assembly includes a Z-direction cylinder, a C-type limit clamp and a support sleeve; the support sleeve is arranged on the outside of the profiling shaft; the middle part of the support sleeve is provided with an annular groove; the Z-direction cylinder is fixed on the sliding frame and the power output end is connected to the C-type limit clamp; the C-type limit clamp is inserted into the annular groove.

[0010] Further description of the present invention, a top column is provided on the mounting frame corresponding to the right side of the trigger screw.

[0011] Further description of the present invention: the belt grinding device is provided with a coarse grinding belt and a fine grinding belt distributed up and down.

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

[0013] This design provides a flexible buffer for product grinding through a flexible top pressure device, and applies a certain grinding pressure to avoid damage to the product or the sanding belt caused by hard contact. The setting of the mold device has the function of pressing and positioning the product and providing a grinding track. It can directly grind the polygonal outer wall, thereby improving the quality and precision of product grinding. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 This is a structural diagram of the flexible top pressure device of the utility model;

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

[0017] Figure 4 It is a top view of the partial structure of the prototype device of the utility model;

[0018] Figure 5 yes Figure 4 Cross-sectional view of AA;

[0019] Figure 6 It is a structural diagram of the sand belt grinding mechanism of the utility model. DETAILED DESCRIPTION

[0020] The present invention will be further described below with reference to the accompanying drawings:

[0021] like Figure 1-6As shown, a polygonal shell sand blasting machine includes a chassis 1 and a mounting mechanism 2 and a belt grinding mechanism 3 installed on the chassis 1 in a left and right distributed manner; the mounting mechanism 2 includes an X-axis driving module 21, a flexible top pressure device 22, a sliding frame 23 and a profiling device 24; the X-axis driving module 21 is installed on the chassis 1; the power output end of the X-axis driving module 21 is connected to a connecting frame 211; the sliding frame 23 is slidably connected to the right part above the connecting frame 211; the flexible top pressure device 22 is fixed on the connecting frame 211 and is located on the left side of the sliding frame 23; one end of the flexible top pressure device 22 is in contact with the sliding frame 23; the profiling device 24 includes a profiling shaft 241, a rotating driving device 242, an elastic clip 2432 for holding the mounting mechanism The support frame 243 is provided with a push-up cylinder 244 and a mold pressing wheel assembly 245; the mold shaft 241 is rotatably connected to the sliding frame 23; the mold shaft 241 has a first inner hole, and a polygonal anti-shape convex portion 2411 is provided at the middle position of the outer side, and the anti-shape convex portion 2411 is designed in a 1:1 ratio according to the outer contour of the product; the elastic clamp 2432 holding device 243 is installed at the position of the first inner hole, and is used to clamp the workpiece to the upper end of the mold shaft 241; the push-up cylinder 244 is installed at the bottom of the sliding frame 23 and is located below the elastic clamp 2432 holding device 243, and is used to control the elastic clamp 2432 holding device 243 to release the workpiece; the rotary drive device 242 is installed on the sliding frame 23 and the power output end is connected to the mold shaft 24 1 connection; the mold pressing wheel assembly 245 includes a base 2451, a slide 2452, a first spring 2453, a pressure wheel 2454 and a touch screw 2455; the base 2451 is fixed on the slide 23 and is located on the right side of the mold shaft 241; the slide 2452 is connected to the top of the base 2451 by sliding left and right; the first spring 2453 is installed in the base 2451 and the right end touches the slide 2452; the pressure wheel 2454 is fixed above the slide 2452 and is located on the right side of the anti-shaped protrusion 2411; the touch screw 2455 is fixed on the right side of the slide 2452; the belt grinding mechanism 3 includes a mounting frame 31, a Z-axis drive device 32 and a belt grinding device 33; the mounting frame 31 is fixed on the chassis 1; The Z-axis drive device 32 is installed on the mounting frame 31 and the power output end is connected to the belt grinding device 33; the X-axis drive module 21 controls the left and right movement of the connecting frame 211, and the flexible pressing device 22 contacts the sliding frame 23 to provide a certain flexible pressure for the grinding of the product. The product is fixed to the upper end of the backing shaft 241 through the elastic clamp 2432 holding device 243. During the grinding process, the touch screw 2455 contacts the belt grinding mechanism 3, so that the pressure wheel 2454 contacts the anti-shaped protrusion 2411. In the process of the rotary drive device 242 controlling the rotation of the backing shaft 241, the sliding frame 23 floats left and right under the cooperation of the pressure wheel 2454 and the backing shaft 241, providing a grinding track for the product, and the belt grinding mechanism 3 grinds the product.

[0022] The flexible pressing device 22 includes a first mounting seat 221, an adjusting seat 222, an adjusting knob 223, a pressure ring and a second spring 224; the first mounting seat 221 is fixed on the connecting frame 211; the adjusting seat 222 is fixed above the first mounting seat 221; a mounting hole 2221 is provided in the adjusting seat 222; the pressure ring is arranged in the mounting hole 2221; the adjusting knob 223 is threadedly connected to the left side of the adjusting seat 222 and the right end touches the left side of the pressure ring; the second spring 224 is installed in the mounting hole 2221 and the two ends touch the pressure ring and the sliding frame 23 respectively, and the pressing force on the sliding frame 23 can be adjusted by adjusting the knob 223.

[0023] The rotation driving device 242 includes a reduction motor 2421, a driving gear 2422 and a driven gear 2423; the reduction motor 2421 is fixed on the sliding frame 23 and is located on the left side of the mold shaft 241; the driving gear 2422 is fixed to the power output end of the reduction motor 2421; the driven gear 2423 is fixed on the mold shaft 241 and meshes with the driving gear 2422. The reduction motor 2421 drives the driven gear 2423 to rotate through the driving gear 2422, thereby driving the mold shaft 241 to rotate.

[0024] The elastic clip 2432 holding device 243 includes a pull rod 2431, an elastic clip 2432, a third spring 2433, a spring limiter 2434 and a push rod 2435; the pull rod 2431 is movably connected in the first inner hole up and down; a second inner hole 2431-1 is provided in the pull rod 2431; the elastic clip 2432 is fixed to the upper end of the pull rod 2431; the elastic clip 2432 extends above the first inner hole; the spring limiter 2434 is fixed to the lower end of the pull rod 2431; the third spring 2433 is sleeved on the outside of the pull rod 2431 and the spring limiter 2434; the two ends of the third spring 2433 respectively touch the mold shaft 241 and the spring limiter 2434; the push rod 2435 is provided in the second inner hole 2431-1 and is connected to the mold shaft 241 through the shaft pin 2 435-1 is connected to the backing shaft 241; a vertically arranged strip hole 2431-2 is provided on the pull rod 2431 at the position corresponding to the shaft pin 2435-1, which provides a basis for the relative movement between the pull rod 2431 and the push rod 2435. The workpiece is placed above the backing shaft 241, and the third spring 2433 touches the spring limiter 2434 and moves downward, causing the pull rod 2431 to move downward, and the elastic clip 2432 cooperates with the push rod 2435. When the elastic clip 2432 moves downward to cooperate with the push rod 2435, the push rod 2435 will push the elastic clip 2432 outward, thereby pressing the workpiece and completing the fixation of the workpiece. When the processing is completed and the workpiece needs to be taken out, the ejection cylinder 244 touches the spring limiter 2434 and moves upward, and the product can be loosened for taking and releasing the material.

[0025] The profiling device 24 also includes a support and positioning assembly 246; the support and positioning assembly 246 includes a Z-direction cylinder 2461, a C-type limit clamping plate 2462 and a support sleeve 2463; the support sleeve 2463 is sleeved on the outside of the profiling shaft 241; the middle part of the support sleeve 2463 is provided with an annular groove 2463-1; the Z-direction cylinder 2461 is fixed on the sliding frame 23 and the power output end is connected to the C-type limit clamping plate 2462; the C-type limit clamping plate 2462 is clamped into the annular groove 2463-1, and the C-type limit clamping plate 2462 is controlled to move upward by the Z-direction cylinder 2461, driving the support sleeve 2463 to move upward, which is used to support and position the outer peripheral bottom of the workpiece. After the workpiece is clamped and fixed, the Z-direction cylinder 2461 controls the C-type limit clamping plate 2462 to descend, and then grinding processing can be carried out. This setting can improve the installation and positioning accuracy and stability of the product.

[0026] A push column 311 is provided on the mounting frame 31 on the right side of the trigger screw 2455 . During the grinding process, the trigger screw 2455 is pushed by the push column 311 .

[0027] The belt grinding device 33 is provided with a coarse grinding belt 331 and a fine grinding belt 332 distributed up and down. The product can be ground in one clamping, thereby improving efficiency.

[0028] 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 polygonal shell sand blasting machine, characterized by: It includes a chassis and a mounting mechanism and a belt grinding mechanism that are distributed on the left and right sides of the chassis; the mounting mechanism includes an X-axis drive module, a flexible top pressure device, a sliding frame and a mold device; The X-axis driving module is installed on the chassis; the power output end of the X-axis driving module is connected to the connecting frame; the sliding frame is slidably connected to the right part above the connecting frame; the flexible pressing device is fixed on the connecting frame and is located on the left side of the sliding frame; one end of the flexible pressing device touches the sliding frame; the mold device includes a mold shaft, a rotating drive device, an elastic clamping device, a ejecting cylinder and a mold pressing wheel assembly; the mold shaft is rotatably connected to the sliding frame; the mold shaft has a first inner hole, and a polygonal anti-shape convex portion with a polygonal cross section is provided at the middle position of the outer side; the elastic clamping device is installed at the first inner hole position, and is used to clamp the workpiece and fix it to the upper end of the mold shaft; the ejecting cylinder is installed at the bottom of the sliding frame and is located at the elastic The movable clamping device is installed below the movable clamping device, which is used to control the elastic clamping device to release the workpiece; the rotary drive device is installed on the sliding frame and the power output end is connected to the mold shaft; the mold pressure wheel assembly includes a base, a slide, a first spring, a pressure wheel and a touch screw; the base is fixed on the sliding frame and is located on the right side of the mold shaft; the slide slides left and right and is connected above the base; the first spring is installed in the base and the right end touches the slide; the pressure wheel is fixed above the slide and is located on the right side of the anti-form convex part; the touch screw is fixed on the right side of the slide; the belt grinding mechanism includes a mounting frame, a Z-axis drive device and a belt grinding device; the mounting frame is fixed on the chassis; the Z-axis drive device is installed on the mounting frame and the power output end is connected to the belt grinding device.

2. A polygonal shell sand blasting machine according to claim 1, characterized in that: The flexible pressing device includes a first mounting seat, an adjustment seat, an adjustment knob, a pressure ring and a second spring; the first mounting seat is fixed on the connecting frame; the adjustment seat is fixed above the first mounting seat; a mounting hole is provided in the adjustment seat; the pressure ring is arranged in the mounting hole; the adjustment knob is threadedly connected to the left side of the adjustment seat and its right end contacts the left side of the pressure ring; the second spring is installed in the mounting hole and its two ends contact the pressure ring and the sliding frame respectively.

3. The polygonal shell sand blasting machine according to claim 1, characterized in that: The rotary drive device includes a reduction motor, a driving gear and a driven gear; the reduction motor is fixed on the sliding frame and is located on the left side of the mold shaft; the driving gear is fixed on the power output end of the reduction motor; the driven gear is fixed on the mold shaft and meshes with the driving gear.

4. The polygonal shell sand blasting machine according to claim 1, characterized in that: The elastic clamping device includes a pull rod, an elastic clip, a third spring, a spring limiter and a push rod; the pull rod is movably connected up and down in the first inner hole; a second inner hole is provided in the pull rod; the elastic clip is fixed at the upper end of the pull rod; the elastic clip extends above the first inner hole; the spring limiter is fixed at the lower end of the pull rod; the third spring is sleeved on the outside of the pull rod and the spring limiter; the two ends of the third spring respectively touch the supporting mold shaft and the spring limiter; the push rod is arranged in the second inner hole and is connected to the supporting mold shaft through an axle pin; a vertically arranged strip hole is provided on the pull rod corresponding to the axle pin position.

5. The polygonal shell sand blasting machine according to claim 1, characterized in that: The profiling device also includes a support and positioning assembly; the support and positioning assembly includes a Z-axis cylinder, a C-shaped limit clamp and a support sleeve; the support sleeve is sleeved on the outside of the profiling shaft; a ring groove is provided in the middle of the support sleeve; the Z-axis cylinder is fixed on the sliding frame and the power output end is connected to the C-shaped limit clamp; the C-shaped limit clamp is inserted into the ring groove.

6. The polygonal shell sand blasting machine according to claim 1, characterized in that: A top column is provided on the mounting frame at the right side corresponding to the trigger screw.

7. The polygonal shell sand blasting machine according to claim 1, characterized in that: The belt grinding device is provided with a coarse grinding belt and a fine grinding belt distributed up and down.

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