Plastic part punching tool

Abstract

The utility model discloses a plastic part punching tool which comprises a machining table, two base plates are fixedly connected to the top of the machining table, two moving boxes are fixedly connected to the top of the machining table, the same driving box is fixedly connected to the tops of the two moving boxes, and a fastening mechanism is arranged on the driving box. The fastening mechanism comprises two threaded short rods arranged in the driving box, the bottom ends of the two threaded short rods rotationally extend into the corresponding moving boxes respectively, and the two threaded short rods are both sleeved with lifting blocks in a threaded mode. According to the plastic part punching tool, the two sides of a plastic part can be pressed and fixed through the two pressing plates capable of synchronously ascending and descending through the arranged fastening mechanism, it is ensured that the plastic part is kept stable in the punching process, and therefore the punching position is more accurate, and the punching effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of parts punching, in particular to a tool for punching holes in plastic parts. Background Art

[0002] Plastic is a high-molecular compound made from monomers through addition polymerization or condensation polymerization. It has a medium deformation resistance, between that of fiber and rubber. It is composed of synthetic resin and additives such as fillers, plasticizers, stabilizers, lubricants, and colorants. The main component of plastic is resin, which refers to a high-molecular compound that has not been mixed with various additives. Plastic parts are particularly common in industrial manufacturing, and it is often necessary to punch holes on their surface when processing plastic parts.

[0003] The publication number CN 212602274 U discloses an automatic plastic parts punching device; the automatic plastic parts punching device includes a conveying table, a placement groove is provided on the surface of the conveying table, a through groove, a waste outlet and a discharge port are provided on the surface of the placement groove from right to left, a support seat is provided on the back of the conveying table, a mounting plate is fixedly connected to the top of the support seat, a second motor is fixedly connected to the top of the mounting plate, a rotating shaft is fixedly connected to the output end of the second motor, a second gear is rotatably connected to the outer wall of the rotating shaft, a second rotating wheel is connected to the front of the second gear through the rotating shaft, a first gear is meshed with the top of the second gear, and the front of the first gear is connected to the first rotating wheel through the rotating shaft. The practical new type can automatically complete the transportation of plastic plates, and the transportation distance is fixed, saving manpower and avoiding waste of materials. The cutting mold can be replaced as needed, making the device more practical and economical.

[0004] However, the punching device has the following shortcomings: the device can conveniently transport the plastic plate when in use, but due to the single fixed point of the plastic plate when in use, it often causes a large shaking amplitude when punching, thereby affecting the accuracy of the punching position and the use effect is poor.

[0005] Therefore, the utility model provides a plastic parts punching tool to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a plastic parts punching tool to solve the above problems.

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a plastic parts punching tool, comprising a processing table, two pads are fixedly connected to the top of the processing table, two moving boxes are fixedly connected to the top of the processing table, the tops of the two moving boxes are fixedly connected to the same driving box, and a fastening mechanism is provided on the driving box;

[0008] The fastening mechanism includes two threaded short rods arranged in a driving box, the bottom ends of the two threaded short rods are respectively rotated to extend into the corresponding moving boxes, the two threaded short rods are threadedly sleeved with a lifting block, one side of the lifting block slides and extends outside the moving box, one side of the lifting block is fixedly connected to a pressure plate, the top of the threaded short rod is fixedly connected to a driven bevel gear, a first servo motor is fixedly connected to an outer wall of one side of the driving box, the output shaft of the first servo motor is fixedly connected to a transmission shaft, one end of the transmission shaft is rotated to extend into the driving box, two active bevel gears are fixedly sleeved on the transmission shaft, and the two active bevel gears are respectively meshed with the corresponding driven bevel gears.

[0009] Preferably, an L-shaped bracket is fixedly connected to the top of the processing table, a cylinder is connected through the L-shaped bracket, a mounting plate is fixedly connected to the output shaft of the cylinder, and a punching device is fixedly connected to the bottom of the mounting plate. By using the L-shaped bracket, cylinder, mounting plate and punching device in combination, plastic parts can be conveniently punched.

[0010] Preferably, one side of the processing table is fixedly connected to an installation box, and two threaded long rods are rotatably connected in the installation box. Moving blocks are threadedly sleeved on the two threaded long rods, and the tops of the two moving blocks are slidably extended to the outside of the installation box. The tops of the two moving blocks are fixedly connected to the same pusher plate. By using the installation box, threaded long rods, moving blocks and pusher plates in combination, plastic parts can be easily pushed to move, so that continuous drilling of holes can be conveniently performed.

[0011] Preferably, the two threaded long rods are both fixedly sleeved with synchronous wheels, the same synchronous belt is wound between the two synchronous wheels, the corresponding threaded long rods are fixedly sleeved with linkage gears, one side outer wall of the installation box is fixedly connected to a second servo motor, the output shaft of the second servo motor is fixedly connected to a rotating shaft, one end of the rotating shaft rotates and extends into the installation box, a driving gear is fixedly sleeved on the rotating shaft, and the driving gear is meshed with the linkage gear, and the two threaded long rods can be conveniently controlled to rotate synchronously by using the synchronous wheel, synchronous belt, linkage gear, second servo motor and driving gear.

[0012] Preferably, a collection box is connected through the processing table, a filter grille is fixedly connected to the collection box, and one side of the collection box is hingedly connected to the same box door through two hinges. The collection box, filter grille and box door are used in combination to facilitate the collection of debris generated by punching, which is convenient for subsequent centralized processing.

[0013] Preferably, the top of the processing table is rotatably connected to two first limiting rollers, and the top of the installation box is rotatably connected to a plurality of second limiting rollers. The first limiting rollers and the second limiting rollers are used in combination to guide the moving direction of the plastic parts to prevent them from being misplaced.

[0014] Preferably, two positioning rods are fixedly connected to the bottom of the L-shaped bracket, and both of the positioning rods slide through the mounting plate. The positioning rods can make the mounting plate rise and fall more smoothly and prevent deviation.

[0015] Preferably, one side of the lifting block is fixedly connected to a first side plate, and a first sliding rod is fixedly connected in the moving box, and the first sliding rod slides through the corresponding first side plate, and one side of the moving block is fixedly connected to a second side plate, and two second sliding rods are fixedly connected in the installation box, and the second sliding rods slide through the corresponding second side plates. The lifting block can be conveniently limited by using the first side plate and the first sliding rod in combination, so that it can move smoothly, and at the same time, the moving block can be limited by using the second side plate and the second sliding rod in combination, so that its movement is smoother.

[0016] Beneficial Effects

[0017] The utility model provides a plastic parts punching tool. Compared with the prior art, it has the following beneficial effects:

[0018] (1) The plastic part punching tool can press and fix the two sides of the plastic part through two synchronously rising and falling pressing plates through the fastening mechanism, ensuring that the plastic part remains stable during the punching process, thereby making the punching position more accurate and improving the punching effect.

[0019] (2) The plastic parts punching tool can drive the push plate to move smoothly by setting two synchronously rotatable long threaded rods, thereby conveniently driving the plastic parts to move smoothly, facilitating continuous punching of the plastic parts, and improving the punching efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0021] Figure 2 It is a front view cross-sectional structural schematic diagram of the utility model;

[0022] Figure 3 It is a structural schematic diagram of the fastening mechanism in the utility model;

[0023] Figure 4 It is an internal assembly diagram of the installation box in the utility model.

[0024] In the figure: 1, processing table; 2, pad; 3, moving box; 4, driving box; 5, threaded short rod; 6, lifting block; 7, pressure plate; 8, driven bevel gear; 9, first servo motor; 10, transmission shaft; 11, driving bevel gear; 12, L-shaped bracket; 13, cylinder; 14, mounting plate; 15, punching equipment; 16, mounting box; 17, threaded long rod; 18, moving block; 19, push plate; 20, synchronous wheel; 21, synchronous belt; 22, linkage gear; 23, second servo motor; 24, rotating shaft; 25, driving gear; 26, collecting box; 27, filter grille; 28, box door; 29, first limit roller; 30, second limit roller; 31, positioning rod; 32, first side plate; 33, first slide bar; 34, second side plate; 35, second slide bar. DETAILED DESCRIPTION

[0025] 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.

[0026] Embodiment 1:

[0027] See also Figures 1 to 3 A plastic parts punching tool comprises a processing table 1, two pads 2 are fixedly connected to the top of the processing table 1, two moving boxes 3 are fixedly connected to the top of the processing table 1, the tops of the two moving boxes 3 are fixedly connected to the same driving box 4, and a fastening mechanism is arranged on the driving box 4;

[0028] The fastening mechanism includes two threaded short rods 5 arranged in the driving box 4, the bottom ends of the two threaded short rods 5 are respectively rotated to extend into the corresponding moving box 3, the two threaded short rods 5 are both threadedly sleeved with a lifting block 6, one side of the lifting block 6 slides and extends to the outside of the moving box 3, one side of the lifting block 6 is fixedly connected with a pressure plate 7, the top of the threaded short rod 5 is fixedly connected with a driven bevel gear 8, one side outer wall of the driving box 4 is fixedly connected with a first servo motor 9, the output shaft of the first servo motor 9 is fixedly connected with a transmission shaft 10, one end of the transmission shaft 10 is rotated to extend into the driving box 4, and two active bevel gears 11 are fixedly sleeved on the transmission shaft 10, and the two active bevel gears 11 are respectively meshed with the corresponding driven bevel gears 8.

[0029] Embodiment 2:

[0030] See also Figures 1 to 4, This embodiment provides a technical solution based on the first embodiment: an L-shaped bracket 12 is fixedly connected to the top of the processing table 1, a cylinder 13 is connected through the L-shaped bracket 12, a mounting plate 14 is fixedly connected to the output shaft of the cylinder 13, and a punching device 15 is fixedly connected to the bottom of the mounting plate 14; a mounting box 16 is fixedly connected to one side of the processing table 1, and two threaded long rods 17 are rotatably connected in the mounting box 16, and the two threaded long rods 17 are threadedly sleeved with moving blocks 18, and the tops of the two moving blocks 18 are slidably extended to the outside of the mounting box 16, and the tops of the two moving blocks 18 are fixedly connected to the same pusher plate 19; the two threaded long rods 17 are fixedly sleeved with synchronous wheels 20, and the same synchronous belt 21 is wound between the two synchronous wheels 20, and the corresponding threaded long rods 17 are fixedly sleeved with linkage gears 22, and a second servo motor 23 is fixedly connected to the outer wall of one side of the mounting box 16, and the output shaft of the second servo motor 23 is fixedly connected to the rotating shaft 24, One end of the rotating shaft 24 rotates and extends into the installation box 16, and a driving gear 25 is fixedly sleeved on the rotating shaft 24, and the driving gear 25 meshes with the linkage gear 22; a collecting box 26 is connected through the processing table 1, and a filtering grille 27 is fixedly connected in the collecting box 26, and one side of the collecting box 26 is hingedly connected to the same box door 28 through two hinges; two first limiting rollers 29 are rotatably connected to the top of the processing table 1, and a plurality of second limiting rollers 30 are rotatably connected to the top of the installation box 16; two positioning rods 31 are fixedly connected to the bottom of the L-shaped bracket 12, and both positioning rods 31 slide through the installation plate 14; a first side plate 32 is fixedly connected to one side of the lifting block 6, and a first sliding rod 33 is fixedly connected in the moving box 3, and the first sliding rod 33 slides through the corresponding first side plate 32; a second side plate 34 is fixedly connected to one side of the moving block 18, and two second sliding rods 35 are fixedly connected in the installation box 16, and the second sliding rod 35 slides through the corresponding second side plate 34.

[0031] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0032] Working principle: When in use, the operator places the plastic part on the installation box 16, and at the same time, makes its two sides respectively press against the corresponding second limit rollers 30, and at the same time, makes one side pass under the two pressure plates 7, and then starts the first servo motor 9. The first servo motor 9 drives the two active bevel gears 11 to rotate through the transmission shaft 10, and the active bevel gear 11 drives the driven bevel gear 8 meshing with it to rotate, and the driven bevel gear 8 drives the lifting block 6 threadedly connected with it to descend through the threaded short rod 5, so that it drives the pressure plate 7 to descend until it presses against the plastic part. After it is firmly fixed, the cylinder 13 can be started, and the cylinder 13 drives the punching device 15 to descend to punch the plastic part. After the punching is completed, the cylinder 13 drives the punching device 15 to reset, and at the same time Start the first servo motor 9 to drive the pressure plate 7 to reset, start the second servo motor 23, the second servo motor 23 drives the driving gear 25 to rotate through the rotating shaft 24, the driving gear 25 drives the interlocking gear 22 meshing therewith to rotate, the interlocking gear 22 drives the connected threaded long rod 17 to rotate, the threaded long rod 17 drives another threaded long rod 17 to rotate through the synchronous wheel 20 and the synchronous belt 21, at this time, the two threaded long rods 17 keep rotating synchronously, the threaded long rod 17 drives the moving block 18 threadedly connected thereto to move, the moving block 18 drives the push plate 19 to move so that it pushes the plastic part to move, the second servo motor 23 adjusts the distance of a single movement of the push plate 19 through an external driver, and then repeats the above operation to carry out the next round of punching work.

[0033] 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.

[0034] In the description of this article, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or a connection through an intermediate medium, or the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0035] 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 plastic parts punching tool, comprising a processing table (1), characterized in that: Two pads (2) are fixedly connected to the top of the processing table (1), two moving boxes (3) are fixedly connected to the top of the processing table (1), the tops of the two moving boxes (3) are fixedly connected to the same driving box (4), and a fastening mechanism is provided on the driving box (4); The fastening mechanism comprises two threaded short rods (5) arranged in a driving box (4), the bottom ends of the two threaded short rods (5) are respectively rotated to extend into the corresponding moving box (3), the two threaded short rods (5) are both threadedly sleeved with a lifting block (6), one side of the lifting block (6) slides and extends outside the moving box (3), one side of the lifting block (6) is fixedly connected with a pressing plate (7), the top end of the threaded short rod (5) is fixedly connected with a driven bevel gear (8), one side outer wall of the driving box (4) is fixedly connected with a first servo motor (9), the output shaft of the first servo motor (9) is fixedly connected with a transmission shaft (10), one end of the transmission shaft (10) is rotated to extend into the driving box (4), two active bevel gears (11) are fixedly sleeved on the transmission shaft (10), and the two active bevel gears (11) are respectively meshed with the corresponding driven bevel gears (8).

2. A plastic parts punching tool according to claim 1, characterized in that: An L-shaped bracket (12) is fixedly connected to the top of the processing table (1), a cylinder (13) is connected through the L-shaped bracket (12), a mounting plate (14) is fixedly connected to the output shaft of the cylinder (13), and a punching device (15) is fixedly connected to the bottom of the mounting plate (14).

3. A plastic parts punching tool according to claim 1, characterized in that: One side of the processing table (1) is fixedly connected to a mounting box (16), and two threaded long rods (17) are rotatably connected inside the mounting box (16). Moving blocks (18) are threadedly sleeved on the two threaded long rods (17), and the tops of the two moving blocks (18) are slidably extended to the outside of the mounting box (16). The tops of the two moving blocks (18) are fixedly connected to the same push plate (19).

4. A plastic parts punching tool according to claim 3, characterized in that: A synchronous wheel (20) is fixedly sleeved on each of the two threaded long rods (17), a synchronous belt (21) is wound between the two synchronous wheels (20), a linkage gear (22) is fixedly sleeved on the corresponding threaded long rod (17), a second servo motor (23) is fixedly connected to an outer wall of one side of the installation box (16), an output shaft of the second servo motor (23) is fixedly connected to a rotating shaft (24), one end of the rotating shaft (24) is rotatably extended into the installation box (16), a driving gear (25) is fixedly sleeved on the rotating shaft (24), and the driving gear (25) is meshed with the linkage gear (22).

5. A plastic parts punching tool according to claim 4, characterized in that: A collection box (26) is connected through the processing table (1), a filter grille (27) is fixedly connected inside the collection box (26), and one side of the collection box (26) is hingedly connected to a box door (28) via two hinges.

6. A plastic parts punching tool according to claim 4, characterized in that: The top of the processing table (1) is rotatably connected to two first limiting rollers (29), and the top of the installation box (16) is rotatably connected to a plurality of second limiting rollers (30).

7. A plastic parts punching tool according to claim 2, characterized in that: Two positioning rods (31) are fixedly connected to the bottom of the L-shaped bracket (12), and the two positioning rods (31) both slide through the mounting plate (14).

8. A plastic parts punching tool according to claim 3, characterized in that: One side of the lifting block (6) is fixedly connected to a first side plate (32), the moving box (3) is fixedly connected to a first sliding rod (33), the first sliding rod (33) slides through the corresponding first side plate (32), one side of the moving block (18) is fixedly connected to a second side plate (34), the installation box (16) is fixedly connected to two second sliding rods (35), the second sliding rods (35) slide through the corresponding second side plates (34).

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