Edge trimmer for plastic stool production

By designing a trimming machine for plastic stool production, the combination of drive motor, screw rod, threaded sleeve, fixing plate, guide rod, slider and hoisting assembly is solved, and the corner burrs of plastic stools are improved during the injection molding process is achieved, achieving aesthetic improvement and safety guarantees.

CN222874101UActive Publication Date: 2025-05-16TIANJIA DAILY NECESSITIES CO LTD
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Patent Information

Application Number
CN202421737615.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-05-16
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

During the injection molding process, burrs are prone to occur at the corners of the plastic stool. If the edge is not trimmed, it will affect the aesthetics and may cause the user to be scratched.

Method used

A trimming machine for the production of plastic stools is designed, including bottom plate, support seat, mobile components, direct grinder, hoisting components, etc. The edges and corners of the plastic stool are polished through the cooperation of the drive motor, screw rod, threaded sleeve, fixed plate, guide rod, slider and hoisting components.

Benefits of technology

Effectively removes burrs on the corners of the plastic stool, improves the aesthetics of the product and ensures the safety of the user.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plastic stool production, and discloses an edge trimmer for plastic stool production, which comprises a bottom plate, the top end of the bottom plate is fixedly connected with a supporting seat, the supporting seat is provided with a moving assembly, and the moving assembly is fixedly connected with a straight grinding machine. Through the arrangement of the driving motor, the lead screw, the threaded sleeve, the fixing plate, the guide rod, the sliding block and the jacking assembly, the jacking assembly is started to move the plastic stool to make contact with the grinding head of the straight grinding machine, the straight grinding machine is started to grind the plastic stool, the motor can be further driven, the lead screw is driven by the driving motor to rotate, and therefore the plastic stool can be ground. Four sliding blocks slide upwards or downwards along the outer sides of two guide rods, meanwhile, the position height of the plastic stool is adjusted through a jacking assembly, then the grinding position is changed, and different positions of the plastic stool are ground; compared with the prior art, burrs at the corners of the plastic stool can be polished cleanly.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic stool production, in particular to a trimming machine used for plastic stool production. Background Art

[0002] Plastic stools are generally produced by injection molding, but burrs are easily generated at the corners during the injection molding process. If trimming is not performed, it will not only affect the aesthetics of the plastic stool, but also cause scratches to the user. Therefore, trimming is a very important process. Therefore, a trimming machine for plastic stool production is proposed to solve the above problem. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] The utility model aims to solve the problem that burrs are easily generated at the corners during the injection molding process. If trimming is not performed, it will not only affect the aesthetics of the plastic stool, but also cause scratches to the user. A trimming machine for the production of plastic stools is proposed.

[0005] (II) Technical solution

[0006] The technical solution of the utility model to solve the above technical problems is as follows:

[0007] A trimming machine for plastic stool production, comprising a bottom plate, the top of the bottom plate is fixedly connected to a support seat, the support seat is provided with a moving assembly, the moving assembly is fixedly connected to a straight grinder, a through hole is opened on the bottom plate, the bottom end of the bottom plate is fixedly connected to a back plate, the bottom end of the back plate is fixedly connected to a mounting plate, the top end of the mounting plate is fixedly connected to two connecting rods, both connecting rods are fixedly connected to the bottom end of the bottom plate, a jacking assembly is provided on the mounting plate, and the top end of the jacking assembly is fixedly connected to a positioning plate;

[0008] The moving assembly includes a driving motor, the supporting seat is fixedly connected to the driving motor, the output end of the driving motor is fixedly connected to a screw rod, the outer side of the screw rod is threadedly connected to a threaded sleeve, the top of the threaded sleeve is fixedly connected to a fixed plate, the straight grinder is fixedly connected to the top of the fixed plate, the top of the supporting seat is fixedly connected to two fixed seats, guide rods are fixedly connected between the two fixed seats and the supporting seat, the outer sides of the two guide rods are slidably connected to two sliders, and the four sliders are fixedly connected to the bottom end of the fixed plate.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows.

[0010] Preferably, the lifting assembly includes a cylinder, which is fixedly connected to the mounting plate, and the inner side of the cylinder is slidably connected to a cylinder push rod with one end passing through and extending above the mounting plate, and the top of the cylinder push rod is fixedly connected to a lifting seat, and the lifting seat is located on the inner side of the through hole, and the left end of the back plate is fixedly connected to two slide rails, and the outer sides of the two slide rails are slidably connected to two sliding seats, and the four sliding seats are fixedly connected to the right end of the lifting seat, and a stepper motor is fixedly connected to the lifting seat, and the output end of the stepper motor is fixedly connected to an output gear, the inner side of the lifting seat is rotatably connected to a rotating shaft, and the outer side of the rotating shaft is fixedly connected to a transmission gear meshing with the output gear, and the positioning plate is fixedly connected to the top of the rotating shaft.

[0011] (III) Beneficial effects

[0012] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0013] The utility model arranges a driving motor, a screw rod, a threaded sleeve, a fixing plate, a guide rod, a sliding block and a lifting assembly. The lifting assembly is started to move the plastic stool to contact with the grinding head of the straight grinder, and the straight grinder is started to grind the plastic stool. The motor can also be driven to drive the screw rod to rotate, thereby moving the threaded sleeve, the fixing plate and the straight grinder upward or downward. The four sliding blocks slide upward or downward along the outer sides of the two guide rods. At the same time, the lifting assembly is used to adjust the position height of the plastic stool, thereby changing the grinding position, and grinding different positions of the plastic stool. Compared with the prior art, the burrs at the corners of the plastic stool can be ground clean. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 This is a schematic diagram of the structure of the mobile component of the utility model;

[0016] Figure 3 This is a schematic diagram of the relative position relationship between the cylinder and the cylinder push rod of the utility model;

[0017] Figure 4 This is a schematic structural diagram of the relative position relationship between the rotating shaft and the transmission gear of the utility model.

[0018] In the figure: 1. base plate; 2. support seat; 3. moving assembly; 31. driving motor; 32. screw rod; 33. threaded sleeve; 34. fixing plate; 35. fixing seat; 36. guide rod; 37. slider; 4. straight grinder; 5. through hole; 6. back plate; 7. mounting plate; 8. connecting rod; 9. lifting assembly; 91. cylinder; 92. cylinder top rod; 93. lifting seat; 94. slide rail; 95. sliding seat; 96. stepping motor; 97. output gear; 98. rotating shaft; 99. transmission gear; 10. positioning plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] In the embodiment, Figure 1-4 A trimming machine for the production of plastic stools is provided, comprising a bottom plate 1, a support seat 2 is fixedly connected to the top of the bottom plate 1, a moving assembly 3 is arranged on the support seat 2, a straight grinder 4 is fixedly connected to the moving assembly 3, a through hole 5 is opened on the bottom plate 1, a back plate 6 is fixedly connected to the bottom end of the bottom plate 1, a mounting plate 7 is fixedly connected to the bottom end of the back plate 6, two connecting rods 8 are fixedly connected to the top end of the mounting plate 7, and the two connecting rods 8 are fixedly connected to the bottom end of the bottom plate 1, a jacking assembly 9 is arranged on the mounting plate 7, and a positioning plate 10 is fixedly connected to the top end of the jacking assembly 9;

[0021] The moving assembly 3 includes a driving motor 31, the driving motor 31 is fixedly connected to the support seat 2, the output end of the driving motor 31 is fixedly connected to a screw rod 32, the outer side of the screw rod 32 is threadedly connected to a threaded sleeve 33, the top of the threaded sleeve 33 is fixedly connected to a fixed plate 34, the straight grinder 4 is fixedly connected to the top of the fixed plate 34, the top of the support seat 2 is fixedly connected to two fixed seats 35, the two fixed seats 35 and the support seat 2 are fixedly connected with a guide rod 36, the outer sides of the two guide rods 36 are slidably connected to two sliders 37, and the four sliders 37 are fixedly connected to the bottom end of the fixed plate 34.

[0022] Through the above settings, the driving motor 31 is a servo motor. First, the center hole of the plastic stool is aligned with the positioning plate 10, and the plunger is used to pass through the center holes of the plastic stool and the positioning plate 10 in turn to complete the positioning of the plastic stool. Then the lifting component 9 is started to move the plastic stool to contact the grinding head of the straight grinder 4, and the straight grinder 4 is started to grind the plastic stool. The motor 31 can also be driven to drive the screw 32 to rotate, thereby moving the threaded sleeve 33, the fixed plate 34 and the straight grinder 4 up or down, and the four sliders 37 slide up or down along the outer sides of the two guide rods 36. At the same time, the lifting component 9 is used to adjust the position height of the plastic stool, thereby changing the grinding position and grinding different positions of the plastic stool.

[0023] Reference Figure 1-4 , wherein the lifting assembly 9 includes a cylinder 91, the mounting plate 7 is fixedly connected with the cylinder 91, the inner side of the cylinder 91 is slidably connected with a cylinder push rod 92 having one end penetrating and extending to the top of the mounting plate 7, the top of the cylinder push rod 92 is fixedly connected with a lifting seat 93, the lifting seat 93 is located on the inner side of the through hole 5, the left end of the back plate 6 is fixedly connected with two slide rails 94, the outer sides of the two slide rails 94 are slidably connected with two sliding seats 95, the four sliding seats 95 are fixedly connected to the right end of the lifting seat 93, the lifting seat 93 is fixedly connected with a stepper motor 96, the output end of the stepper motor 96 is fixedly connected with an output gear 97, the inner side of the lifting seat 93 is rotatably connected with a rotating shaft 98, the outer side of the rotating shaft 98 is fixedly connected with a transmission gear 99 meshing with the output gear 97, and the positioning plate 10 is fixedly connected to the top of the rotating shaft 98;

[0024] Through the above-mentioned structural arrangement, the cylinder 91 is started, the cylinder push rod 92 is pushed out or retracted, the lifting seat 93 rises or falls, and the four sliding seats 95 slide upward or downward along the outer sides of the two slide rails 94. During the grinding process of the plastic stool, the stepper motor 96 can be started, and the output gear 97 is driven by the stepper motor 96 to rotate. After being transmitted by the transmission gear 99, the rotating shaft 98 and the positioning plate 10 are rotated, so that the straight grinder 4 can grind the whole circumference of the plastic stool.

[0025] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A trimming machine for plastic stool production, characterized in that: The invention comprises a base plate (1), the top of the base plate (1) is fixedly connected to a support seat (2), a moving assembly (3) is arranged on the support seat (2), a straight grinder (4) is fixedly connected to the moving assembly (3), a through hole (5) is opened on the base plate (1), the bottom end of the base plate (1) is fixedly connected to a back plate (6), the bottom end of the back plate (6) is fixedly connected to a mounting plate (7), the top end of the mounting plate (7) is fixedly connected to two connecting rods (8), the two connecting rods (8) are fixedly connected to the bottom end of the base plate (1), a lifting assembly (9) is arranged on the mounting plate (7), and the top end of the lifting assembly (9) is fixedly connected to a positioning plate (10); The moving assembly (3) comprises a driving motor (31), the driving motor (31) is fixedly connected to the support seat (2), the output end of the driving motor (31) is fixedly connected to a screw rod (32), the outer side of the screw rod (32) is threadedly connected to a threaded sleeve (33), the top end of the threaded sleeve (33) is fixedly connected to a fixing plate (34), the straight grinder (4) is fixedly connected to the top end of the fixing plate (34), the top end of the supporting seat (2) is fixedly connected to two fixing seats (35), the two fixing seats (35) and the supporting seat (2) are fixedly connected to a guide rod (36), the outer sides of the two guide rods (36) are slidably connected to two sliders (37), and the four sliders (37) are fixedly connected to the bottom end of the fixing plate (34).

2. The trimming machine for plastic stool production according to claim 1, characterized in that: The lifting assembly (9) comprises a cylinder (91), the mounting plate (7) is fixedly connected to the cylinder (91), the inner side of the cylinder (91) is slidably connected to a cylinder push rod (92) having one end penetrating through and extending above the mounting plate (7), the top of the cylinder push rod (92) is fixedly connected to a lifting seat (93), the lifting seat (93) is located on the inner side of the through hole (5), the left end of the back plate (6) is fixedly connected to two slide rails (94), and the outer sides of the two slide rails (94) are slidably connected to two slide rails. The lifting seat (95) comprises a plurality of sliding seats (95), the four sliding seats (95) are fixedly connected to the right end of the lifting seat (93), the lifting seat (93) is fixedly connected to a stepping motor (96), the output end of the stepping motor (96) is fixedly connected to an output gear (97), the inner side of the lifting seat (93) is rotatably connected to a rotating shaft (98), the outer side of the rotating shaft (98) is fixedly connected to a transmission gear (99) meshing with the output gear (97), and the positioning plate (10) is fixedly connected to the top end of the rotating shaft (98).