Edge cutting device with distance fixing function
By introducing a fixed distance function edge cutting device into the plastic edge cutting machine, the combination of guide grooves and guide rods can achieve free adjustment and auxiliary guidance of the cutting board length, which solves the problem of difficult cutting distance in the prior art, and improves the cutting accuracy and efficiency.
Patent Information
- Application Number
- CN202422160027.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-04
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-09-04
AI Technical Summary
The existing plastic edge cutting machines lack fixed guidance to the product during the cutting process, resulting in the inability to accurately control the cutting distance by manpower feeding.
A edge cutting device with a fixed distance function is designed. Through the combination of a mounting seat, a guide groove and a guide rod, the length of the cutting board is freely adjusted and auxiliary guidance, and the impact frame and tool mold are driven by hydraulic cylinders for precise cutting.
It realizes precise control of the length of the cutting board and the stability of the cutting distance, improves the cutting accuracy and efficiency, and reduces the difficulty of manpower feeding.
Smart Images

Figure CN223199156U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic products, in particular to a trimming device with a distance-fixing function. Background Art
[0002] A plastic trimming machine is a common device used for horizontal cutting of plastic plates. The plastic plates to be processed are manually fed into the trimming machine for cutting. Existing trimming machines lack the effect of fixedly guiding the products during the product cutting process, and manual feeding cannot limit the cutting distance. Summary of the Invention
[0003] In order to solve the problems of the prior art, the utility model provides a trimming device with a distance-fixing function, which can freely adjust the length of the cutting plate and can assist in guiding the forward direction of the cutting plate.
[0004] A trimming device with a distance-fixing function comprises a mounting base, a first impact frame, and a second impact frame, and is characterized in that a plurality of support legs are vertically installed at the four corners of the bottom of the mounting base, a first guide groove and a second guide groove are respectively provided on both sides of the mounting base, the side walls of the first guide groove and the second guide groove are respectively matched with a first guide rod and a second guide rod, and a first guide key and a second guide key are respectively provided on the inner sides of the bottom ends of the columns on both sides of the first impact frame.
[0005] A first directional die and a second directional die are respectively provided on the inner sides of the bottom ends of the columns on both sides of the first impact frame. The first directional die and the second directional die are installed in the vertically upward position of the first guide key and the second guide key. A first impact guide rail and a second impact guide rail are respectively provided on the inner sides of the columns at both ends of the first impact frame. The first impact frame is provided with a first impact guide rail and a second impact guide rail. A first impact hole that passes through the first impact frame is provided at the center position of the upper surface of the top end of the first impact frame. The third hydraulic cylinder is bolted to the upper surface of the first impact frame and the driving end of the third hydraulic cylinder is clearance-matched with the third impact hole.
[0006] The driving end of the third hydraulic cylinder is fixedly connected to the first impact block and the two ends of the first impact block cooperate with the first impact guide rail and the second impact guide rail. The bottom end of the first impact frame column cooperates with the first guide rod and the second guide rod. The two ends of the lower surface of the first impact block are bolted to the first tool seat and the second tool seat respectively. The first positioning punch and the second positioning punch are provided on the first tool seat and the second tool seat. The first positioning punch and the second positioning punch are respectively clearance-matched with the first positioning die and the second positioning die.
[0007] A first ejector rod is provided on the bottom surface of the top end of the first impact frame, and the first ejector rod passes through the first impact block, the first tool seat and the first positioning punch respectively and are clearance-fitted. A second ejector rod is provided on the bottom surface of the top end of the first impact frame, and the second ejector rod passes through the second impact block, the second tool seat and the second positioning punch and are clearance-fitted. A first impact guide rod is provided on the bottom surface of the top end of the first impact frame, and the first impact guide rod passes through the first impact block, and the first impact block and the first impact guide rod are clearance-fitted. A second impact guide rod is provided on the bottom surface of the top end of the first impact frame, and the second impact guide rod passes through the second impact block, and the second impact block and the second impact guide rod are clearance-fitted.
[0008] Preferably, the upper surface of the mounting seat is bolted to a second impact frame, a third impact guide rail and a fourth impact guide rail are respectively provided on the inner side of the second impact frame column, a first hydraulic cylinder and a second hydraulic cylinder are bolted to the upper surfaces on both sides of the top of the second impact frame, the first hydraulic cylinder driving end and the second hydraulic cylinder driving end cooperate with the second impact block and the two ends of the second impact block cooperate with the third impact guide rail and the fourth impact guide rail, and a trimming blade is fixedly connected to the lower surface of the second impact block.
[0009] Preferably, a first positioning pin and a second positioning pin are provided on the mounting seat.
[0010] Preferably, the first positioning pin and the second positioning pin need to be rounded at right angles to facilitate feeding.
[0011] Preferably, the selected models of the first hydraulic cylinder, the second hydraulic cylinder and the third hydraulic cylinder are MOB32*150.
[0012] Preferably, the first hydraulic cylinder driving end and the second hydraulic cylinder driving end are connected to the second impact block by pin connection.
[0013] Preferably, the third hydraulic cylinder driving end is connected to the first impact block by a pin connection.
[0014] Preferably, the surface roughness of the guide column and the guide rod in the device is Ra0.8-Ra1.6, and the roughness of the guide holes of the guide column and the guide rod with clearance fit is the same Ra0.8-Ra1.6.
[0015] In summary, the beneficial effects of the present invention are:
[0016] 1. By moving the first impact frame along the first guide rod and the second guide rod, the first impact frame drives the first positioning punch, the second positioning punch, the first positioning die and the second positioning die of the trimming device to adjust their positions, and adjust the positions of the positioning holes punched by the first positioning punch, the second positioning punch, the first positioning die and the second positioning die. The positions of the positioning holes determine the length of the processed sheet material, thereby controlling the length of the processed sheet material.
[0017] 2. After multiple operations, the cutting edges of the trimming tool, the first positioning punch and the second positioning punch will be worn to a certain extent. Considering the difficulty of subsequent maintenance and replacement costs, the trimming tool, the first positioning punch and the second positioning punch are bolted to the trimming device. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0019] Figure 2 This is a schematic diagram of the overall structure of the utility model and the cutaway structure of the first impact frame;
[0020] Figure 3 This is a schematic diagram of the cutaway structure of the first impact frame of the present utility model;
[0021] Figure 4 This is a schematic diagram of the cross-section structure of the mounting base of the utility model;
[0022] Figure 5 Schematic diagram of the new overall structure and the cross-section structure of the second impact frame;
[0023] Figure 6 This is a schematic diagram of the cutaway structure of the positioning punch of the utility model.
[0024] In the figure: 1, mounting base; 111, first guide rod; 112, second guide rod; 113, first positioning pin; 114, second positioning pin; 115, first guide groove; 116, second guide groove; 121, third impact guide rail; 122, fourth impact guide rail; 2, support leg; 3, first impact frame; 311, first impact block; 312, second impact guide rod; 313, first impact guide rod; 314, second tool holder; 315, first tool holder; 316, second Positioning punch; 317, first positioning punch; 318, first ejector rod; 319, second ejector rod; 321, first impact guide rail; 322, second impact guide rail; 323, first guide die; 324, second guide die; 325, first guide key; 326, second guide key; 331, trapezoidal hole; 4, second impact frame; 411, second impact block; 412, trimming blade; 511, first hydraulic cylinder; 512, second hydraulic cylinder; 513, third hydraulic cylinder. DETAILED DESCRIPTION
[0025] See also Figure 1-4 A trimming device with a distance-fixing function includes a mounting base 1, a first impact frame 3, and a second impact frame 4. A plurality of support legs 2 are vertically installed at the four corners of the bottom of the mounting base 1. A first guide groove 115 and a second guide groove 116 are respectively provided at the left and right ends of the mounting base 1. The first guide groove 115 and the second guide groove side wall 116 are respectively equipped with a first guide rod 111 and a second guide rod 112.
[0026] Furthermore, the first guide key 115 and the second guide key 116 are respectively provided on the inner sides of the bottom ends of the columns on both sides of the first impact frame 3, and the first directional die 323 and the second directional die 324 are respectively provided on the inner sides of the bottom ends of the columns on both sides of the first impact frame 3. The first directional die 323 and the second directional die 324 are installed in the vertically upward position of the first guide key 325 and the second guide key 326. A trapezoidal hole 331 is provided at the center of the upper surface of the top end of the first impact frame 3, which passes through the first impact frame 3 and cooperates with the driving end of the third hydraulic cylinder.
[0027] The third hydraulic cylinder 513 is bolted to the upper surface of the first impact frame 3, and the driving end of the third hydraulic cylinder 513 is clearance-matched with the first impact block 311. The driving end of the third hydraulic cylinder 513 is fixedly connected to the first impact block 311, and the two ends of the first impact block 311 are clearance-matched with the first impact guide rail 321 and the second impact guide rail 322. The bottom end of the column of the first impact frame 3 is clearance-matched with the first guide rod 111 and the second guide rod 112. The two ends of the lower surface of the first impact block 311 are respectively bolted to the first tool seat 315 and the second tool seat 314. The first positioning punch 317 and the second positioning punch 316 are provided on the first tool seat 315 and the second tool seat 314. The first positioning punch 317 and the second positioning punch 316 are clearance-matched with the first positioning die 323 and the second positioning die 324 respectively.
[0028] A first impact guide rod 313 is provided on the bottom surface of the top end of the first impact frame. The first impact guide rod 313 passes through the first impact block 311, and the first impact block 311 and the first impact guide rod 313 are clearance-matched. A second impact guide rod 312 is provided on the bottom surface of the top end of the first impact frame 3. The second impact guide rod 312 passes through the first impact block 311, and the first impact block 311 and the second impact guide rod 312 are clearance-matched.
[0029] Furthermore, the driving end of the third hydraulic cylinder 513 is connected to the first impact block 311 by a pin connection.
[0030] See also Figure 1 and Figure 5The upper surface of the mounting seat 1 is bolted to the second impact frame 4, and the inner side of the second impact frame 4 column is respectively provided with a third impact guide rail 121 and a fourth impact guide rail 122, and the upper surface of both sides of the top of the second impact frame 4 is bolted to the first hydraulic cylinder 511 and the second hydraulic cylinder 512, the driving end of the first hydraulic cylinder 511 and the driving end of the second hydraulic cylinder 512 are fixedly connected to the second impact block 411 and the two ends of the second impact block 411 cooperate with the third impact guide rail 121 and the fourth impact guide rail 122 respectively and assist in limiting the movement of the first hydraulic cylinder, and the lower surface of the second impact block 411 is fixedly connected to the trimming blade 412.
[0031] Furthermore, a first positioning pin 113 and a second positioning pin 114 are provided on the mounting base 1 .
[0032] Furthermore, the first positioning pin 113 and the second positioning pin 114 need to have their right-angled acute angles rounded to prevent wear during material movement.
[0033] Furthermore, the third hydraulic cylinder driving end is connected to the first impact block by a pin connection.
[0034] Furthermore, the driving end of the first hydraulic cylinder 511 and the driving end of the second hydraulic cylinder 511 are connected to the second impact block 411 by pin connection.
[0035] See also Figure 6 In actual application, after the first positioning punch 317 and the second positioning punch 316 are punched, waste will accumulate in the cavity, so a first ejector rod 318 and a second ejector rod 319 are provided to eject the cut waste. The first impact frame 3 is provided with a first ejector rod 318, and the first ejector rod 318 passes through the first impact block 311, the first tool seat 315 and the first positioning punch 317 respectively and has a clearance fit. The first impact frame 3 is provided with a second ejector rod 319, and the second ejector rod 319 passes through the first impact block 311, the second tool seat 314 and the second positioning punch 316 and has a clearance fit.
[0036] In this embodiment, when using a trimming device with a distance-fixing function, the first impact seat 3 is moved along the direction of the first guide rod 111 and the second guide rod 112, and is pulled to the required position according to the required trimming length of the sheet material. The sheet material to be processed is placed on the upper surface of the mounting seat 1, and the third hydraulic cylinder 513 is started after one end of the sheet material to be processed exceeds the first impact seat 3.
[0037] The third hydraulic cylinder 513 drives the first impact block 311 downward, and at the same time, the first impact block 311 drives the first tool holder 315, the second tool holder 314, the first positioning punch 317, and the second positioning punch 316 fixedly connected to the first impact block 311 downward. The first positioning punch 317 and the second positioning punch 316 move downward along the first impact guide rail 321 and the second impact guide rail 322 to perform positioning and punching on the sheet material to be processed. The third hydraulic cylinder 315 drives the first positioning punch 317 and the second positioning punch 316 to return to their original position after positioning and punching. The waste remaining in the first positioning punch 317 and the second positioning punch 316 is ejected by the first ejector rod 318 and the second ejector rod 319 to achieve the predetermined waste ejection effect, preventing waste from accumulating in the first positioning punch 317 and the second positioning punch 316 and affecting subsequent positioning and punching.
[0038] After the positioning punching is completed, the sheet to be processed is pushed forward so that the positioning holes punched out by the positioning punching are engaged with the positions of the first positioning pin 113 and the second positioning pin 114. After the engagement is completed, the first hydraulic cylinder 511 and the second hydraulic cylinder 512 are started. The first hydraulic cylinder 511 and the second hydraulic cylinder 512 drive the second impact block 411 and the trimming blade 412 to move downward. After the trimming work of the sheet to be processed is completed, the third hydraulic cylinder 513 is started at the same time. The third hydraulic cylinder 513 drives the first impact block 311 to move downward, and the first impact block 311 drives the first tool holder fixedly connected to the first impact block 311 315, the second tool holder 314, the first positioning punch 317 and the second positioning punch 316 move downward, the first positioning punch 317 and the second positioning punch 316 move downward along the first impact guide rail 321 and the second impact guide rail 322 and perform positioning punching on the sheet to be processed. The third hydraulic cylinder 315 drives the first positioning punch 317 and the second positioning punch 316 to return to their original position after positioning punching is completed. The waste remaining in the first positioning punch 317 and the second positioning punch 316 is ejected by the first ejector rod 318 and the second ejector rod 319 to complete the positioning punching of the next section of the sheet to be processed.
[0039] Finally, it should be noted that the above embodiments are intended only to illustrate the technical solutions of the present invention and are not intended to be limiting. Although the present invention has been described in detail with reference to the embodiments, those skilled in the art will appreciate that modifications or equivalent substitutions to the technical solutions of the present invention do not depart from the spirit and scope of the technical solutions of the present invention and are intended to be encompassed by the claims of the present invention.
Claims
1. A trimming device with a distance-fixing function, comprising a mounting seat (1), a first impact frame (3) and a second impact frame (4), characterized in that: A plurality of supporting legs (2) are vertically mounted at the four corners of the bottom of the mounting seat (1), and a first guide groove (115) and a second guide groove (116) are respectively provided on the left and right sides of the mounting seat (1). The side walls of the first guide groove (115) and the second guide groove (116) are respectively matched with a first guide rod (111) and a second guide rod (112). The bottom ends of the columns on both sides of the first impact frame (3) are respectively provided with a first guide key (325) and a second guide key (326). The bottom ends of the columns on both sides of the first impact frame (3) are respectively provided with a first directional die (323) and a second directional die (324). The first directional die (323) and the second directional die (324) are mounted at the vertically upward position of the first guide key (325) and the second guide key (326).
2. The trimming device with a distance-fixing function according to claim 1, characterized in that: The first impact frame (3) is provided with a first impact guide rail (321) and a second impact guide rail (322), the first impact frame (3) is provided with a first impact guide rail (321) and a second impact guide rail (322), the first impact frame (3) is provided with a trapezoidal hole (331) penetrating the first impact frame (3), the third hydraulic cylinder (513) is fixedly connected to the upper surface of the first impact frame (3), and the first impact block (311) is fixedly connected to the driving end of the third hydraulic cylinder (513), the driving end of the third hydraulic cylinder (513) is fixedly connected to the first impact block (311), and the two ends of the first impact block (311) cooperate with the first impact guide rail (321) and the second impact guide rail (322).
3. The trimming device with a distance-fixing function according to claim 2, characterized in that: The first impact frame (3) cooperates with the first guide rod (111) and the second guide rod (112). The first impact block (311) is fixedly connected to the first tool holder (315) and the second tool holder (314). The first positioning punch (317) and the second positioning punch (316) are provided on the first tool holder (315) and the second tool holder (314). The first impact frame (3) is provided with a first ejector rod (318). The first ejector rod (318) passes through the first impact block (311), the first tool holder (315) and the first positioning punch. A punch (317), a second ejector rod (319) is provided on the first impact frame (3), the second ejector rod (319) passes through the first impact block (311), the second tool holder (314) and the second positioning punch (316), a first impact guide rod (313) is provided on the first impact frame (3), the first impact guide rod (313) passes through the first impact block (311), a second impact guide rod (312) is provided on the first impact frame (3), the second impact guide rod (312) passes through the first impact block (311).
4. The trimming device with a distance-fixing function according to claim 1, characterized in that: A second impact frame (4) is provided on the mounting seat (1), a third impact guide rail (121) and a fourth impact guide rail (122) are provided on the second impact frame (4), a first hydraulic cylinder (511) and a second hydraulic cylinder (512) are provided on the second impact frame (4), a driving end of the first hydraulic cylinder (511) and a driving end of the second hydraulic cylinder (512) are fixedly connected to a second impact block (411), two ends of the second impact block (411) respectively cooperate with the third impact guide rail (121) and the fourth impact guide rail (122), and a trimming blade (412) is provided on the second impact block (411).
5. The trimming device with a distance-fixing function according to claim 1, characterized in that: The mounting seat (1) is provided with a first positioning pin (113) and a second positioning pin (114).