Ejector pin grinding equipment

Abstract

The ejector pin flattening equipment comprises a base, a control screen, a feeding assembly, two flattening assemblies and a supporting assembly, and the control screen is used for controlling movement of all mechanisms and assemblies on the equipment; the feeding assembly is arranged on the front side of the base, the supporting assembly is arranged on the rear side of the base, the flat grinding assembly is arranged between the feeding assembly and the supporting assembly, the feeding assembly drives a to-be-machined ejector pin to enter the flat grinding assembly for flat grinding, and the supporting assembly is used for abutting against the to-be-ground ejector pin and preventing the ejector pin from shaking. The feeding mechanism of the ejector pin grinding equipment comprises a base, a sliding table, a hand wheel, a feeding motor, a feeding divider, a support and two ejector pin chuck assemblies, the feeding motor and the feeding divider can move along with the sliding table, the feeding motor is started, the feeding divider drives the support to rotate by 180 degrees, and the two ejector pin chuck assemblies are driven to rotate by 180 degrees. The ejector pin clamped on the ejector pin chuck assembly at the other end of the support is fed into the flattening device to be flattened, double-station machining is achieved, and the machining efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of ejector pin grinding equipment, and in particular to ejector pin flattening equipment. Background Technology

[0002] Ejector pins are a crucial component in molds, playing a vital role in the manufacturing of plastic molds, die-casting molds, and other similar products. Their primary function is to lift the moving platen of the mold during opening and closing, allowing the product to be easily demolded. Flat ejector pins are mainly used for the rib sections of plastic products. During processing, both sides of the ejector pin need to be flattened. Existing flattening equipment only has one flattening feed station, processing only one ejector pin at a time, resulting in low efficiency and high costs. Therefore, there is an urgent need for a new type of feeding assembly to solve these problems. Utility Model Content

[0003] The purpose of this invention is to provide a pin flattening device to solve the existing technical problems of low efficiency and high cost.

[0004] The present invention relates to a pin grinding and flattening device, comprising a base, a control panel disposed on the base, a feeding assembly, two grinding assemblies, and a support assembly, wherein the feeding assembly and the support assembly are both disposed between the two grinding assemblies.

[0005] The feeding assembly includes a base, a first slide, a handwheel, a feeding motor, a feeding divider, a bracket, and two ejector pin chuck assemblies. The first slide is mounted on the base, the handwheel is located outside the first slide, and the screw on the handwheel is screwed to the first slide. The feeding motor is mounted on the first slide, and the output shaft of the feeding motor is connected to the feeding divider. The output shaft of the feeding divider is connected to the bracket, and the ejector pin chuck assemblies are symmetrically arranged at both ends of the bracket.

[0006] The flattening assembly includes a feed motor, a slide base, a second slide, a spindle seat, a grinding motor, a rotating shaft, a grinding disc, and a grinding wheel. The slide base is mounted on a base, the feed motor is located on the outside of the slide base, and its telescopic rod is connected to the bottom of the second slide. The spindle seat is located on the second slide, the grinding motor is located above the spindle seat, the rotating shaft passes through the center of the spindle seat, the grinding disc and grinding wheel are located at one end of the rotating shaft, and the other end of the rotating shaft is provided with a driven wheel. The driven wheel is connected to the driving wheel provided on the output shaft of the grinding motor via a belt.

[0007] The support assembly includes left and right cylinders, upper and lower cylinders, and a support plate. The upper and lower cylinders are located above the left and right cylinders, and the support plate is located above the upper and lower cylinders.

[0008] Preferably, the ejector pin chuck assembly is respectively disposed on the two side plates of the bracket. The ejector pin chuck assembly includes a chuck rotary motor, a chuck rotary divider, a chuck unloading cylinder, a chuck, and grippers. One side of the chuck rotary divider is connected to the chuck rotary motor, the other side is connected to the chuck unloading cylinder, and the third side is connected to the chuck. The grippers are disposed at the front end of the chuck.

[0009] Preferably, the chuck unloading cylinder, the chuck rotating divider, the chuck and the jaws are on the same plane, and the chuck rotating divider is installed on the outside of the side plate.

[0010] Preferably, the ejector pin to be processed in the feeding assembly is located on the jaws of the chuck.

[0011] Preferably, the support has a "∏" shaped structure.

[0012] Preferably, an inclined water outlet channel is provided between the two flattening components, and a water outlet is provided at the front end of the water outlet channel.

[0013] Preferably, the control panel is electrically connected to the feeding assembly, the two flattening assemblies, and the support assembly.

[0014] Preferably, the support plate is Z-shaped, with its front end in contact with the ejector pin and its rear end fixed to the upper and lower cylinders.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] The present invention relates to a pin grinding and flattening device, which mainly includes a base, a control panel, a feeding component, a grinding component, and a support component. The control panel is used to control the operation of various mechanisms and components on the device. The feeding component is located on the front side of the base, the support component is located on the rear side of the base, and the grinding component is located between the feeding component and the support component. The feeding component drives the pin to be processed into the grinding component for grinding and flattening. The support component is used to hold the pin to be ground to prevent the pin from shaking, thereby affecting the grinding process.

[0017] The feeding assembly of this ejector pin flattening equipment includes a base, a slide table, a handwheel, a feeding motor, a feeding divider, a support, and two ejector pin chuck assemblies. When the handwheel rotates forward or backward, the slide table moves back and forth with the screw of the handwheel; the feeding motor and the feeding divider move together with the slide table. Since one end of the feeding divider is connected to the feeding motor and the other end is connected to the support, when it is necessary to process another ejector pin that is far away from the flattening device, the feeding motor is started, and the feeding divider drives the support to rotate 180°, so that the ejector pin held on the ejector pin chuck assembly at the other end of the support is fed into the flattening device for flattening, realizing dual-station processing and improving processing efficiency. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0019] Figure 1 This is a three-dimensional structural schematic diagram of an embodiment of the ejector pin flattening device of this utility model;

[0020] Figure 2 This is a schematic diagram of the feeding assembly of an embodiment of the ejector pin flattening equipment of this utility model;

[0021] Figure 3 This is a schematic diagram of the structure of the flattening component in one embodiment of the pin flattening device of this utility model;

[0022] Figure 4 This is a schematic diagram of the support component of an embodiment of the pin grinding and flattening device of this utility model.

[0023] In the diagram: 1. Base; 11. Water outlet channel; 12. Water outlet; 2. Control panel; 3. Feeding assembly; 31. Base; 32. First slide; 33. Handwheel; 34. Feeding motor; 35. Feed divider; 36. Bracket; 361. Side plate; 37. Ejector pin chuck assembly; 371. Chuck rotation motor; 372. Chuck rotation divider; 373. Chuck unloading cylinder; 374. Chuck; 375. Gripper; 38. Ejector pin; 4. Grinding assembly; 41. Feed motor; 42. Slide base; 43. Second slide; 44. Spindle seat; 45. Grinding motor; 46. Rotating shaft; 47. Grinding disc; 48. Grinding wheel; 49. Driven wheel; 410. Drive wheel; 411. Belt; 5. Support assembly; 51. Left and right cylinders; 52. Upper and lower cylinders; 53. Support plate. Detailed Implementation

[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0025] like Figure 1-4 As shown, the pin grinding and flattening device of this utility model includes a base 1, a control panel 2 disposed on the base, a feeding component 3, two grinding components 4 and a support component 5. The feeding component 3 and the support component 5 are both disposed between the two grinding components 4 and are arranged opposite to each other. Specifically, the feeding component is disposed on the front side of the base 1 and the support component 5 is disposed on the rear side of the base 1.

[0026] The feeding assembly 3 includes a base 31, a first slide 32, a handwheel 33, a feeding motor 34, a feeding divider 35, a bracket 36, and two ejector pin chuck assemblies 37. The first slide 32 is mounted on the base 31, the handwheel 33 is located outside the first slide 32, and the screw on the handwheel 33 is screwed to the first slide 32. The feeding motor 34 is mounted on the first slide 32, and the output shaft of the feeding motor 34 is connected to the feeding divider 35. The output shaft of the feeding divider 35 is connected to the bracket 36, and the ejector pin chuck assemblies 37 are symmetrically arranged at both ends of the bracket 36.

[0027] Reference Figure 2 The feeding assembly 3 of this utility model is a device for clamping ejector pins and feeding them to the grinding station; it includes a base 31, a first slide 32, a handwheel 33, a feeding motor 34, a feeding divider 35, a bracket 36, and two ejector pin chuck assemblies 37. The base 31 is fixedly mounted on the base of the ejector pin grinding equipment. The first slide 32 is slidably mounted on the base 31 and connected to the screw of the handwheel 33. The screw passes through a screw hole at the bottom of the first slide 32. When the handwheel 33 rotates clockwise or counterclockwise, the slide moves accordingly. The rod moves back and forth; the feeding motor 34 and the feeding divider 35 are located on the upper side of the first slide 32 and will move together with the first slide 32. One end of the feeding divider 35 is connected to the feeding motor 34 and the other end is connected to the bracket 36. When it is necessary to process another ejector pin 38 that is far away from the flattening device, the feeding motor 34 is started and the feeding divider 35 drives the bracket 36 to rotate 180°, so that the ejector pin 38 held on the ejector pin chuck assembly 37 at the other end of the bracket 36 is fed into the flattening device for flattening, realizing dual-station processing and improving processing efficiency.

[0028] The flattening assembly 4 includes a feed motor 41, a slide base 42, a second slide 43, a spindle seat 44, a grinding motor 45, a rotating shaft 46, a grinding disc 47, and a grinding wheel 48. The slide base 42 is mounted on the base 1. The feed motor 41 is located on the outside of the slide base 42, and its telescopic rod is connected to the bottom of the second slide 43. The spindle seat 44 is mounted on the second slide 43. The grinding motor 45 is located above the spindle seat 44. The rotating shaft 46 passes through the center of the spindle seat 44. The grinding disc 47 and the grinding wheel 48 are located at one end of the rotating shaft 46. The other end of the rotating shaft 46 is provided with a driven wheel 49. The driven wheel 49 is connected to the driving wheel 410 on the output shaft of the grinding motor 45 via a belt 411.

[0029] Reference Figure 3The flattening assembly 4 of this utility model is a mechanism for grinding cylindrical ejector pins into flat ejector pins. It mainly includes a feed motor 41, a slide base 42, a second slide 43, a spindle seat 44, a grinding motor 45, a rotating shaft 46, a grinding disc 47, a grinding wheel 48, a driven wheel 49, a driving wheel 410, and a belt 411. The feed motor 41 is connected to the second slide 43 and drives the second slide 43 to move left and right, thereby moving the grinding wheel 48 on it. The spindle seat 44 is mounted on the second slide table 43, the grinding motor 45 is mounted on the spindle seat 44, and the rotating shaft 46 is mounted inside the spindle seat 44. One end of the shaft is connected to the grinding disc 47, and the other end is connected to the driven wheel 49. The driving wheel 410 on the output shaft of the grinding motor 45 is driven by the driven wheel 49 through a belt. When the grinding motor 45 rotates, it drives the driving wheel 410, the driven wheel 49, the grinding disc 47 and the grinding wheel 48 to rotate, so that the grinding wheel 48 flattens the ejector pin.

[0030] The support assembly 5 includes left and right cylinders 51, upper and lower cylinders 52 and support plate 53. The upper and lower cylinders 52 are located above the left and right cylinders 51, and the support plate 53 is located above the upper and lower cylinders 52.

[0031] Reference Figure 4 The support component 5 of this utility model is a mechanism for supporting the front end of the ejector pin to prevent the ejector pin from shaking during the grinding process. It mainly includes left and right cylinders 51, upper and lower cylinders 52 and support plate 53. The left and right cylinders 51 drive the support plate 53 to move left and right, and the upper and lower cylinders 52 drive the support plate 53 to move up and down. The front end of the support plate 53 contacts the ejector pin and supports the ejector pin.

[0032] The present invention relates to a pin grinding and flattening device, which mainly includes a base 1, a control panel 2, a feeding component 3, a grinding and flattening component 4, and a support component 5. The control panel 2 is used to control the operation of various mechanisms and components on the device. The feeding component 3 is located on the front side of the base 1, the support component 5 is located on the rear side of the base 1, and the grinding and flattening component 4 is located between the feeding component 3 and the support component 5. The feeding component 3 drives the pin to be processed into the grinding and flattening component 4 for grinding and flattening. The support component 5 is used to hold the pin to be ground to prevent the pin from shaking, thereby affecting the grinding process.

[0033] Reference Figure 2The ejector pin chuck assembly 37 of the ejector pin flattening device is respectively mounted on the two side plates 361 of the bracket 36. The ejector pin chuck assembly 37 includes a chuck rotation motor 371, a chuck rotation divider 372, a chuck unloading cylinder 373, a chuck 374, and a gripper 375. One side of the chuck rotation divider 372 is connected to the chuck rotation motor 371, the other side is connected to the chuck unloading cylinder 373, and the third side is connected to the chuck 374. The gripper 375 is located at the front end of the chuck 374. The chuck unloading cylinder 373, the chuck rotation divider 372, the chuck 374, and the gripper 375 are on the same plane. The chuck rotation divider 372 is mounted on the outer side of the side plate 361.

[0034] Specifically, the ejector pin chuck assembly 37 includes a chuck rotary motor 371, a chuck rotary divider 372, a chuck unloading cylinder 373, a chuck 374, and grippers 375. The chuck rotary motor 371 drives the chuck rotary divider 372 to rotate the chuck 374, which in turn drives the ejector pin 38 held on the chuck 374 to rotate, making it easier to flatten the ejector pin. When it is necessary to remove the processed ejector pin, the chuck unloading cylinder 373 causes the chuck 374 and grippers 375 to release the ejector pin, allowing the ejector pin to be removed and completing the unloading.

[0035] The ejector pin 38 to be processed is mounted on the jaws 375 of the chuck 374 in the feeding assembly 3. The bracket 36 has a "∏" shaped structure. The ejector pin 38 is mounted on the jaws 375. During feeding, the ejector pin 38 is transported to the flattening device for flattening. After flattening, the ejector pin chuck assembly 37 is removed by driving the slide table 32 through the handwheel 33. At the same time, the ejector pin 38 is also removed from the flattening device. Then the ejector pin can be unloaded, ensuring simple operation and convenient unloading.

[0036] In a preferred embodiment, refer to Figure 3 The grinding wheel flattening device has an inclined water outlet channel 11 between the two grinding components 4, and a water outlet 12 at the front end of the water outlet channel 11. During the grinding process, a large amount of heat is generated, which requires cooling water to dissipate heat from the grinding wheel. Therefore, the water outlet channel 11 and the water outlet 12 are set between the two grinding components 4. The water outlet channel 11 and the water outlet 12 are inclined to facilitate the outflow, collection, and repeated use of cooling water.

[0037] Reference Figure 1The control panel 2 of the ejector pin grinding device is electrically connected to the feeding assembly 3, the two grinding assemblies 4, and the support assembly 5. The support plate 53 of the support assembly 5 is Z-shaped, with its front end contacting the ejector pin 38 and its rear end fixed to the upper and lower cylinders 52. The control panel 2 controls the operation of the feeding assembly 3, the two grinding assemblies 4, and the support assembly 5. By setting the support plate 53 to a Z-shape, with its front end contacting the front end of the ejector pin 38, the ejector pin is prevented from shaking during grinding. The rear end is fixed to the upper and lower cylinders 52, and the upper and lower cylinders 52 and the left and right cylinders 51 drive the support plate 53 to move up and down and left and right.

[0038] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A pin grinding and flattening device, characterized in that: It includes a base, a control panel mounted on the base, a feeding assembly, two flattening assemblies, and a support assembly, wherein the feeding assembly and the support assembly are both located between the two flattening assemblies; The feeding assembly includes a base, a first slide, a handwheel, a feeding motor, a feeding divider, a bracket, and two ejector pin chuck assemblies. The first slide is mounted on the base, the handwheel is located outside the first slide, and the screw on the handwheel is screwed to the first slide. The feeding motor is mounted on the first slide, and the output shaft of the feeding motor is connected to the feeding divider. The output shaft of the feeding divider is connected to the bracket, and the ejector pin chuck assemblies are symmetrically arranged at both ends of the bracket. The flattening assembly includes a feed motor, a slide base, a second slide, a spindle seat, a grinding motor, a rotating shaft, a grinding disc, and a grinding wheel. The slide base is mounted on a base, the feed motor is located on the outside of the slide base, and its telescopic rod is connected to the bottom of the second slide. The spindle seat is located on the second slide, the grinding motor is located above the spindle seat, the rotating shaft passes through the center of the spindle seat, the grinding disc and grinding wheel are located at one end of the rotating shaft, and the other end of the rotating shaft is provided with a driven wheel. The driven wheel is connected to the driving wheel provided on the output shaft of the grinding motor via a belt. The support assembly includes left and right cylinders, upper and lower cylinders, and a support plate. The upper and lower cylinders are located above the left and right cylinders, and the support plate is located above the upper and lower cylinders.

2. The pin grinding and flattening equipment as described in claim 1, characterized in that, The ejector pin chuck assembly is respectively disposed on the two side plates of the bracket. The ejector pin chuck assembly includes a chuck rotary motor, a chuck rotary divider, a chuck unloading cylinder, a chuck, and grippers. One side of the chuck rotary divider is connected to the chuck rotary motor, the other side is connected to the chuck unloading cylinder, and the third side is connected to the chuck. The grippers are disposed at the front end of the chuck.

3. The pin grinding and flattening equipment as described in claim 2, characterized in that, The chuck unloading cylinder, the chuck rotating divider, the chuck and the jaws are on the same plane, and the chuck rotating divider is installed on the outside of the side plate.

4. The pin flattening device as described in claim 1, characterized in that, The ejector pin to be processed in the feeding assembly is located on the jaws of the chuck.

5. The pin flattening device as described in claim 1, characterized in that, The support has a "∏" shaped structure.

6. The pin grinding and flattening equipment as described in claim 1, characterized in that, An inclined water outlet channel is provided between the two flattening components, and a water outlet is provided at the front end of the water outlet channel.

7. The pin grinding and flattening equipment as described in claim 1, characterized in that, The control panel is electrically connected to the feeding assembly, the two flattening assemblies, and the support assembly.

8. The pin grinding and flattening equipment as described in claim 1, characterized in that, The support plate is shaped like a "Z". It is shaped such that its front end contacts the ejector pin, and its rear end is fixed on the upper and lower cylinders.

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