Pencil lead sharpening equipment capable of achieving rapid feeding and discharging

By designing automated lead core tip repair equipment, the intermittent feeding and clamping components are used to realize automatic loading and unloading of pencils, which solves the problem of inconvenience in loading and unloading of existing equipment, improves work efficiency and automation, and reduces labor costs.

CN223266526UActive Publication Date: 2025-08-26SHANGZHI PEARL PEN IND CO LTD
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Patent Information

Application Number
CN202422496525.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-08-26
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

The existing lead core tip repair equipment is inconvenient to load and unload, resulting in low working efficiency, manual assisted operation, and high cost.

Method used

A lead core tip repair device including intermittent feeding assembly and clamping assembly is designed. The automatic loading and unloading of the pencil is realized through pulley transmission and clamping assembly, and the automatic inlet and outlet tip repair mechanism of the pencil is realized by combining the drive assembly and push assembly.

Benefits of technology

It realizes rapid loading and unloading of lead core tip repair equipment, improves work efficiency and automation, reduces manual intervention and reduces costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a pencil lead sharpening device capable of fast feeding and discharging, which comprises a sharpening mechanism main body, the front of the sharpening mechanism main body is fixedly connected with a fixing plate, the front of the fixing plate is provided with a feeding and discharging mechanism for feeding and discharging pencils, and the feeding and discharging mechanism comprises a sharpening position for feeding the pencils to the sharpening mechanism main body, the intermittent feeding assembly comprises a left belt pulley and a right belt pulley, the two belt pulleys are rotationally connected with the front face of the fixing plate and are in transmission connection through a belt, and a sliding groove is formed in the surface of the fixing plate. According to the pencil lead sharpening equipment capable of achieving rapid feeding and discharging, when a large number of pencils are sharpened through the sharpening equipment, the multiple pencils can be rapidly fed through the intermittent feeding mechanism, meanwhile, the driving assembly enables the pencils to intermittently move so as to be matched with the sharpening time of the sharpening mechanism main body, and therefore the continuity of the equipment during working is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of lead core detection and tip trimming, in particular to a lead core tip trimming device capable of quickly loading and unloading materials. Background Art

[0002] During the pencil lead inspection process, the lead needs to be sharpened to test the tip stress value. The original operation mode of sharpening the lead is to use a pencil sharpener for sharpening. The operation mode is very time-consuming and labor-intensive, and the operation is not standardized. At the same time, it will also cause defective products due to the uncontrollable personnel, and the waste caused by unqualified inspection is high in cost. The original operation mode is to use a pencil sharpener for rough sharpening and then use a special tool to sharpen the lead. The sharpening process of a lead requires two steps to complete, and 80-100 sets of inspections are required every day. The sharpening process wastes a lot of manpower, so the lead sharpening equipment is used.

[0003] Reference patent publication number "CN106313987A" discloses an automatic pencil sharpening device for cultural and sports education, including a pencil sharpening box, a first fixed pulley, a second fixed pulley, a bearing seat, a second rotating shaft, a small pulley, a winding wheel, a flat belt, a motor, a first rotating shaft, a large pulley, a pencil sharpening box, and a pulling line question.

[0004] This patent realizes the automatic sharpening of pencils. During the production of pencils, a large number of pencils need to be sharpened and tested. The existing lead sharpening equipment is not convenient for quickly loading and unloading pencils during use, and usually requires manual auxiliary operation, which greatly reduces the working efficiency of the equipment. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a lead tipping device capable of rapid loading and unloading, thereby solving the problem of inconvenient loading and unloading of the prior lead tipping device.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A pencil sharpening device capable of rapid loading and unloading comprises a sharpening mechanism body, a fixing plate is fixedly connected to the front of the sharpening mechanism body, and a loading and unloading mechanism for loading and unloading pencils is provided in front of the fixing plate, the loading and unloading mechanism comprising:

[0007] An intermittent feeding assembly is used to feed pencils to the sharpening position of the sharpening mechanism body. The intermittent feeding assembly includes two left and right pulleys, and both pulleys are rotatably connected to the front surface of the fixed plate. The two pulleys are connected by a belt transmission. The surface of the fixed plate is provided with a guide groove. The surface of the belt is fixedly connected to multiple clamping assemblies at equal intervals, and the clamping assemblies are slidably connected to the guide grooves. A blanking plate is fixedly connected to the left side of the back of the fixed plate, and the blanking plate is semicircular in shape.

[0008] The driving assembly is arranged behind the fixed plate, and is used for driving the intermittent feeding assembly to perform intermittent rotation.

[0009] Preferably, the driving assembly includes a driving motor, the driving motor is fixedly connected to the front side of the sharpening mechanism body, and the output end of the driving motor is fixedly connected to a disc, and the front side of the disc is fixedly connected to a guide rod.

[0010] Preferably, the back side of the fixed plate is rotatably connected to a driven disk via a connecting shaft, and the other end of the connecting shaft is fixedly connected to the right pulley, and the surface of the driven disk is provided with four guide grooves equidistantly along the circumference for cooperating with the guide rod.

[0011] Preferably, the clamping assembly includes a base plate, a sliding groove is provided on the top of the base plate, and the inner surface of the sliding groove is slidably connected to a movable plate, the top of the movable plate is fixedly connected to two front and rear clips, and the clips are composed of two elastic arc-shaped metal sheets on the left and right, a reset spring is fixedly connected to the inner wall of the sliding groove, and the other end of the reset spring is fixedly connected to the movable plate.

[0012] Preferably, a pushing assembly is provided in front of the clamping assembly, and the pushing assembly is used to push the pencil into the sharpening mechanism body, the pushing assembly includes a first cylinder, the first cylinder is fixedly connected to the front side of the fixed plate through a bracket, and the telescopic end of the first cylinder is fixedly connected to the first push plate, and the first push plate and the movable plate are in the same plane.

[0013] Preferably, a feeding assembly is provided on the right side of the intermittent feeding assembly, and the feeding assembly is used to replenish pencils into the intermittent feeding assembly. The feeding assembly includes a stacking box, and a through slot running through the left and right sides is provided on the right side of the stacking box. A second cylinder is fixedly connected to the right side of the stacking box, and a third cylinder is fixedly connected to the telescopic end of the second cylinder.

[0014] Beneficial effects

[0015] The utility model provides a lead tipping device that can quickly load and unload materials. Compared with the existing technology, it has the following advantages:

[0016] 1. This lead re-tipped device, which enables rapid loading and unloading, comprises two left and right pulleys via an intermittent feeding assembly. Both pulleys are rotatably connected to the front surface of a fixed plate. The two pulleys are connected via a belt drive. A guide groove is formed on the surface of the fixed plate. When the device is used to sharpen a large number of pencils, the intermittent feeding assembly can quickly load multiple pencils. Simultaneously, a drive assembly causes the pencils to intermittently move to coordinate with the sharpening time of the sharpening mechanism, thereby ensuring continuous operation of the device.

[0017] 2. This lead re-tipped device, which can quickly load and unload materials, comprises a clamping assembly comprising a base plate, a top of which is provided with a slide groove, and an inner surface of which is slidably connected to a movable plate, and a top of which is fixedly connected to two front and rear clamps. A clamping assembly is provided in the intermittent feeding assembly, and the pencil is clamped and fixed by the clamping assembly. The clamping assembly and the pushing assembly complete the automatic entry and exit of the pencil re-tipped mechanism, thereby improving the degree of automation when the device is used. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the appearance of the utility model;

[0019] Figure 2 This is a schematic diagram of the loading and unloading mechanism of the utility model;

[0020] Figure 3 This is a side view schematic diagram of the rear side of the loading and unloading mechanism of the utility model;

[0021] Figure 4 It is a schematic diagram of the clamping component and the pushing component of the utility model.

[0022] In the figure: 1. Trimming mechanism body; 2. Fixed plate; 3. Intermittent feeding assembly; 31. Pulley; 32. Belt; 33. Clamping assembly; 331. Bottom plate; 332. Slide groove; 333. Moving plate; 334. Clip; 335. Return spring; 34. Guide groove; 4. Driving assembly; 41. Driving motor; 42. Disc; 43. Guide rod; 44. Driven disc; 45. Guide groove; 5. Pushing assembly; 51. First cylinder; 52. First pushing plate; 6. Feeding assembly; 61. Stacking box; 62. Second cylinder; 63. Third cylinder; 7. Unloading plate. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1-4 This fast loading and unloading lead tipping equipment provides two technical solutions:

[0025] The first embodiment includes a sharpening mechanism body 1, a fixing plate 2 is fixedly connected to the front of the sharpening mechanism body 1, and a loading and unloading mechanism for loading and unloading pencils is provided in front of the fixing plate 2. The loading and unloading mechanism includes:

[0026] The intermittent feeding assembly 3 is used to feed pencils to the sharpening position of the sharpening mechanism body 1. The intermittent feeding assembly 3 includes two left and right pulleys 31, and the two pulleys 31 are rotatably connected to the front of the fixed plate 2. The two pulleys 31 are connected by a belt 32. A guide groove 34 is provided on the surface of the fixed plate 2. A plurality of clamping assemblies 33 are fixedly connected to the surface of the belt 32 at equal distances, and the clamping assemblies 33 are slidably connected to the guide groove 34. A blanking plate 7 is fixedly connected to the left side of the back of the fixed plate 2, and the blanking plate 7 is semicircular in shape.

[0027] The driving assembly 4 is arranged at the rear of the fixed plate 2, and the driving assembly 4 is used to drive the intermittent feeding assembly 3 to rotate intermittently. The driving assembly 4 includes a driving motor 41, and the driving motor 41 is fixedly connected to the front of the sharpening mechanism body 1, and the output end of the driving motor 41 is fixedly connected to a disc 42, and the front of the disc 42 is fixedly connected to a guide rod 43. The back of the fixed plate 2 is rotatably connected to a driven disc 44 through a connecting shaft, and the other end of the connecting shaft is fixedly connected to the right pulley 31. Four guide grooves 45 for cooperating with the guide rod 43 are provided on the surface of the driven disc 44 at equal distances along the circumference.

[0028] A feeding assembly 6 is provided on the right side of the intermittent feeding assembly 3, and the feeding assembly 6 is used to replenish pencils into the intermittent feeding assembly 3. The feeding assembly 6 includes a stacking box 61, and a through groove running through the left and right sides is opened on the right side of the stacking box 61. A second cylinder 62 is fixedly connected to the right side of the stacking box 61, and a third cylinder 63 is fixedly connected to the telescopic end of the second cylinder 62.

[0029] When a large number of pencils are sharpened by the sharpening device, the intermittent feeding assembly 3 can quickly feed multiple pencils, and the driving assembly 4 makes the pencils move intermittently to coordinate with the sharpening time of the sharpening mechanism body 1, thereby ensuring the continuity of the device during operation.

[0030] The second embodiment is mainly different from the first embodiment in that: the clamping assembly 33 includes a base plate 331, a sliding groove 332 is provided on the top of the base plate 331, and a movable plate 333 is slidably connected to the inner surface of the sliding groove 332, and two front and rear clips 334 are fixedly connected to the top of the movable plate 333, and the clips 334 are composed of two elastic arc-shaped metal sheets on the left and right. A return spring 335 is fixedly connected to the inner wall of the sliding groove 332, and the other end of the return spring 335 is fixedly connected to the movable plate 333, and a pushing assembly 5 is provided in front of the clamping assembly 33, and the pushing assembly 5 is used to push the pencil into the sharpening mechanism body 1, and the pushing assembly 5 includes a first cylinder 51, which is fixedly connected to the front side of the fixed plate 2 through a bracket, and the telescopic end of the first cylinder 51 is fixedly connected to the first push plate 52, and the first push plate 52 and the movable plate 333 are in the same plane.

[0031] A clamping assembly 33 is provided in the intermittent feeding assembly 3, and the pencil is clamped and fixed by the clamping assembly 33. The clamping assembly 33 and the pushing assembly 4 complete the automatic entry and exit of the pencil sharpening mechanism, thereby improving the degree of automation when the device is used.

[0032] When in use, multiple pencils are stacked in the stacking box 61, and the second cylinder 62 is started to move the third cylinder 63, thereby pushing the pencil at the bottom and causing the pencil to enter the clamp 334, thereby clamping the pencil. The drive motor 41 is started and the guide rod 43 is rotated through the disc 42. The guide rod 43 rotates and enters the guide groove 45, thereby causing the driven disc 44 to rotate. The driven disc 44 rotates and drives the pulley 31 to rotate. Under the drive of the belt 32, the two pulleys 31 rotate at the same time, and the belt 32 moves, and the belt 32 moves and drives the clamping The pencil holding assembly 33 moves with the pencil, and then the pencil is loaded into the intermittent feeding assembly 3. When the pencil holding assembly 33 moves and brings the pencil to the sharpening position of the sharpening mechanism main body 1, the first cylinder 51 is activated and the first push plate 52 pushes the movable plate 333 to move, thereby feeding the pencil into the sharpening mechanism main body 1 for sharpening. After sharpening is completed, the first cylinder 51 is reset, and the pencil is ejected from the sharpening mechanism main body 1 under the action of the reset spring 335. The sharpened pencil continues to move and contacts the blanking plate 7, and is then unloaded under the push of the blanking plate 7.

[0033] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lead tipping device capable of rapid loading and unloading, comprising a tipping mechanism body (1), characterized in that: A fixing plate (2) is fixedly connected to the front of the sharpening mechanism body (1), and a loading and unloading mechanism for loading and unloading pencils is provided in front of the fixing plate (2). The loading and unloading mechanism comprises: An intermittent feeding assembly (3) is used to feed pencils to the sharpening position of the sharpening mechanism body (1). The intermittent feeding assembly (3) includes two left and right pulleys (31), and both pulleys (31) are rotatably connected to the front of the fixed plate (2). The two pulleys (31) are connected by a belt (32). The surface of the fixed plate (2) is provided with a guide groove (34). The surface of the belt (32) is fixedly connected with a plurality of clamping assemblies (33) at equal distances, and the clamping assemblies (33) are slidably connected to the guide groove (34). A blanking plate (7) is fixedly connected to the left side of the back of the fixed plate (2), and the blanking plate (7) is semicircular in shape. The driving assembly (4) is arranged behind the fixed plate (2), and the driving assembly (4) is used to drive the intermittent feeding assembly (3) to perform intermittent rotation.

2. The lead tipping device capable of rapid loading and unloading according to claim 1, characterized in that: The drive assembly (4) comprises a drive motor (41), the drive motor (41) being fixedly connected to the front side of the sharpening mechanism body (1), and the output end of the drive motor (41) being fixedly connected to a disc (42), and the front side of the disc (42) being fixedly connected to a guide rod (43).

3. The lead tipping device capable of rapid loading and unloading according to claim 2, characterized in that: The back of the fixed plate (2) is rotatably connected to a driven disc (44) via a connecting shaft, and the other end of the connecting shaft is fixedly connected to the right pulley (31). The surface of the driven disc (44) is provided with four guide grooves (45) equidistantly along the circumference for cooperating with the guide rod (43).

4. The lead tipping device capable of rapid loading and unloading according to claim 1, characterized in that: The clamping assembly (33) includes a bottom plate (331), a sliding groove (332) is provided on the top of the bottom plate (331), and a movable plate (333) is slidably connected to the inner surface of the sliding groove (332), and two front and rear clips (334) are fixedly connected to the top of the movable plate (333), and the clips (334) are composed of two elastic arc-shaped metal sheets on the left and right. A return spring (335) is fixedly connected to the inner wall of the sliding groove (332), and the other end of the return spring (335) is fixedly connected to the movable plate (333).

5. The lead tipping device capable of rapid loading and unloading according to claim 4, characterized in that: A pushing assembly (5) is provided in front of the clamping assembly (33), and the pushing assembly (5) is used to push the pencil into the sharpening mechanism body (1). The pushing assembly (5) comprises a first cylinder (51), the first cylinder (51) is fixedly connected to the front of the fixed plate (2) through a bracket, and the telescopic end of the first cylinder (51) is fixedly connected to a first pushing plate (52), and the first pushing plate (52) and the movable plate (333) are in the same plane.

6. The lead tipping device capable of rapid loading and unloading according to claim 1, characterized in that: A feeding assembly (6) is provided on the right side of the intermittent feeding assembly (3), and the feeding assembly (6) is used to replenish pencils into the intermittent feeding assembly (3). The feeding assembly (6) includes a stacking box (61), and a through slot extending leftward and rightward is provided on the right side of the stacking box (61). A second cylinder (62) is fixedly connected to the right side of the stacking box (61), and a third cylinder (63) is fixedly connected to the telescopic end of the second cylinder (62).

Citation Information

Patent Citations

  • Automatic pencil sharpening device for cultural and physical education

    CN106313987A