Injection molding machine rack welding equipment with positioning structure
By introducing positioning grooves and pushing structures into the injection molding machine frame welding equipment, the problems of offset and position change during the frame welding process are solved, achieving high-precision automated welding and reducing labor costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-09
- Publication Date
- 2026-03-31
AI Technical Summary
The injection molding machine frame is prone to deviation due to its own weight during the welding process, which affects the processing accuracy and requires frequent changes in position, increasing the difficulty of welding.
A welding device for the frame of an injection molding machine with a positioning structure was designed, including a positioning groove, a positioning plate, a rotating rod, a worm gear, and a worm. The worm gear drives the worm gear and the rotating plate to fix the frame, and the welding process is completed automatically through the pushing structure and the welding structure.
It effectively prevents the frame from shifting during the welding process, improves processing accuracy and automation, and saves labor costs.
Smart Images

Figure CN224059037U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of welding equipment technology, specifically relating to a welding equipment for an injection molding machine frame with a positioning structure. Background Technology
[0002] An injection molding machine is a piece of equipment used for molding plastics. It heats thermoplastic or thermosetting plastic raw materials to a molten state, then injects them into a mold under high pressure. After cooling and solidification, the desired plastic product is obtained. The injection molding machine frame is an important component of the injection molding machine, mainly used to support and fix the various parts of the injection molding machine, ensuring the stability and precision of the machine during operation.
[0003] During the welding process of injection molding machine frames, due to the generally large size of the frames, they are prone to deviation on the worktable under their own weight, thus affecting the machining accuracy. In addition, the welding position of the injection molding machine frame needs to be changed continuously during the welding process, which increases the welding difficulty. Therefore, an injection molding machine frame welding equipment with a positioning structure is needed to solve the above problems. Utility Model Content
[0004] The purpose of this invention is to provide a welding device for the frame of an injection molding machine with a positioning structure, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a welding device for an injection molding machine frame with a positioning structure, comprising:
[0006] The equipment body includes a working platform, which has positioning slides. There are two sets of positioning slides, which are arranged opposite to each other. Each set of positioning slides has multiple positioning slides, which are parallel to each other.
[0007] The positioning structure includes a positioning plate, a rotating rod, a rotating plate, a worm gear, and a worm. A pair of positioning plates and rotating rods are provided. The pair of positioning plates are slidably disposed in the positioning groove. The upper end of the worm gear is rotatably mounted on the lower surface of the work platform, and the lower end of the worm gear is connected to the rotating plate. One end of the pair of rotating rods is rotatably connected to the opposite ends of the rotating plate, and the other end of the pair of rotating rods is rotatably connected to the pair of positioning plates. The worm gear is rotatably mounted on the lower surface of the work platform, and the worm gear meshes with the worm gear.
[0008] A pushing structure is mounted on the working platform;
[0009] A welded structure, which is installed on the main body of the equipment.
[0010] As a preferred embodiment, the working platform also has a pair of parallel push grooves. The push structure includes push blocks. The pair of push grooves are placed between the two sets of positioning grooves, and the push grooves are perpendicular to the positioning grooves. A pair of push blocks are provided, and the pair of push blocks are slidably placed in the pair of push grooves.
[0011] As a preferred embodiment, the pushing structure further includes pulleys, a transmission belt, a connecting rod, and a drive motor. Both the pulleys and the transmission belt are provided in two sets, with two pulleys in each set, and one of the pulleys in each set is arranged in parallel. The transmission belt connects to the two pulleys, and the connecting rod connects to the two parallel pulleys in each set. The pulleys are rotatably mounted on the lower surface of the work platform. The output shaft of the drive motor is connected to the connecting rod, and a pair of pushing blocks are respectively fixedly mounted on the upper end faces of the pair of transmission belts.
[0012] As a preferred embodiment, the lower end of the positioning plate has a slider, and the positioning structure further includes a pair of connecting plates. The slider is slidably placed in the positioning groove, the upper end face of the connecting plate is connected to the slider, and the lower end face of the connecting plate is rotatably connected to the end of the rotating rod away from the rotating plate.
[0013] As a preferred embodiment, the main body of the equipment further includes a mounting frame, the welding structure includes a welding torch and a conveyor belt, the mounting frame is mounted on one end of the working platform, the conveyor belt is slidably mounted on the mounting frame and positioned at a predetermined distance above the working platform, and the welding torch is mounted below the conveyor belt.
[0014] As a preferred embodiment, the welding structure further includes an upper connecting rod, a lower connecting rod, a rotating motor, and a connecting block. Each upper and lower connecting rod is provided in pairs. The upper end of the upper connecting rod is rotatably connected to the belt shifting block, and the lower end of the upper connecting rod is rotatably connected to the upper end of the lower connecting rod. The lower end of the lower connecting rod is rotatably connected to the connecting block. The welding torch is mounted on the belt shifting block. The upper ends of the pair of upper connecting rods mesh with each other. The rotating motor is mounted on the belt shifting block, and the output shaft of the rotating motor is connected to one of the upper connecting rods.
[0015] Compared with the prior art, the beneficial effects of this utility model are:
[0016] This invention utilizes a positioning structure comprising a positioning plate, a rotating rod, a rotating plate, a worm gear, and a worm. The positioning plate is slidably mounted in a positioning groove, the worm gear is rotatably mounted on a work platform and connected to the rotating plate, the rotating rod is rotatably connected to the rotating plate and the positioning plate, and the worm gear meshes with the worm gear. The worker places the injection molding machine frame to be welded on the work platform and rotates the worm gear, causing the worm gear and rotating plate to rotate. This reduces the distance between the pair of rotating rods, causing the positioning plates to move closer together in the positioning groove, thereby fixing the frame between the positioning plates to the work platform and preventing frame misalignment during processing, which could affect subsequent welding quality.
[0017] This invention features a pushing structure comprising a pushing block, pulleys, a transmission belt, a connecting rod, and a drive motor. The pushing block is slidably positioned in a pushing groove. The transmission belt connects to two pulleys, and the connecting rod connects to two pulleys. The pushing block is fixedly mounted on the upper surface of the transmission belt. The drive motor drives one of the pulleys to rotate axially around the connecting rod, thereby causing the pulley connected to the other end of the connecting rod to rotate. This causes the transmission belt, positioned between a set of pulleys, to rotate, which in turn causes the pushing block to slide in the pushing groove. As the drive motor continues to operate, the pushing block pushes the frame gradually past the welding torch, facilitating welding of various positions on the frame body. This eliminates the need for manual operation, saving labor costs and increasing the automation level of the equipment. Attached Figure Description
[0018] Figure 1 This is a three-dimensional schematic diagram of the present invention from one angle;
[0019] Figure 2 This is a three-dimensional schematic diagram of the present invention from another angle;
[0020] Figure 3 This is a schematic diagram of the positioning structure of this utility model;
[0021] Figure 4 This is a schematic diagram of the main body of the device according to this utility model;
[0022] Figure 5 This is a schematic diagram of the welding structure of this utility model.
[0023] In the diagram: 1. Main body of the equipment; 11. Working platform; 111. Positioning slide; 112. Push slide; 12. Mounting frame; 2. Positioning structure; 21. Positioning plate; 211. Slider; 22. Rotating rod; 23. Rotating plate; 24. Worm gear; 25. Worm; 26. Connecting plate; 3. Pushing structure; 31. Pushing block; 32. Pulley; 33. Transmission belt; 34. Connecting rod; 35. Drive motor; 4. Welding structure; 41. Welding torch; 42. Belt moving block; 43. Upper connecting rod; 44. Lower connecting rod; 45. Rotating motor; 46. Connecting block. Detailed Implementation
[0024] The present invention will be further described below with reference to the embodiments.
[0025] The following embodiments are used to illustrate the present invention, but should not be used to limit the scope of protection of the present invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.
[0026] Please see Figure 1-5 This utility model provides a welding device for an injection molding machine frame with a positioning structure, comprising:
[0027] The equipment body 1 includes a working platform 11, which has a positioning slide 111. There are two sets of positioning slides 111, which are arranged opposite to each other. Each set of positioning slides 111 has multiple positioning slides 111, and the multiple positioning slides 111 are parallel to each other.
[0028] Positioning structure 2 includes positioning plate 21, rotating rod 22, rotating plate 23, worm gear 24, and worm 25. Positioning plate 21 and rotating rod 22 are provided in pairs. A pair of positioning plates 21 are slidably disposed in positioning groove 111. The upper end of worm gear 24 is rotatably mounted on the lower surface of work platform 11, and the lower end of worm gear 24 is connected to rotating plate 23. One end of a pair of rotating rods 22 is rotatably connected to the opposite ends of rotating plate 23, and the other end of a pair of rotating rods 22 is rotatably connected to a pair of positioning plates 21 respectively. Worm 25 is rotatably mounted on the lower surface of work platform 11 and meshes with worm gear 24.
[0029] Drive structure 3, which is installed on work platform 11;
[0030] Welded structure 4 is installed on the main body of the equipment 1;
[0031] The work platform 11 also has a pair of parallel push slides 112. The push structure 3 includes a push block 31. The pair of push slides 112 are placed between two sets of positioning slides 111, and the push slides 112 are perpendicular to the positioning slides 111. A pair of push blocks 31 are provided, and the pair of push blocks 31 are slidably placed in the pair of push slides 112 respectively.
[0032] The pushing structure 3 also includes a pulley 32, a transmission belt 33, a connecting rod 34, and a drive motor 35. Both the pulley 32 and the transmission belt 33 are provided in two sets. Each set of pulleys 32 has two pulleys, and one of the pulleys 32 in each set is arranged in parallel. The transmission belt 33 is connected to the two pulleys 32. The connecting rod 34 is connected to the two parallel pulleys 32 in the two sets. The pulleys 32 are rotatably mounted on the lower surface of the work platform 11. The output shaft of the drive motor 35 is connected to the connecting rod 34. A pair of push blocks 31 are respectively fixedly mounted on the upper end face of a pair of transmission belts 33.
[0033] The lower end of the positioning plate 21 has a slider 211. The positioning structure 2 also includes a pair of connecting plates 26. The slider 211 is slidably placed in the positioning groove 111. The upper end face of the connecting plate 26 is connected to the slider 211. The lower end face of the connecting plate 26 is rotatably connected to the end of the rotating rod 22 away from the connecting rotating plate 23.
[0034] The main body of the equipment 1 also includes a mounting frame 12, and the welding structure 4 includes a welding torch 41 and a moving block 42. The mounting frame 12 is installed at one end of the working platform 11, the moving block 42 is slidably installed on the mounting frame 12, and the moving block 42 is positioned above the working platform 11 at a predetermined distance. The welding torch 41 is installed below the moving block 42.
[0035] The welding structure 4 also includes an upper connecting rod 43, a lower connecting rod 44, a rotating motor 45, and a connecting block 46. There is a pair of upper connecting rods 43 and lower connecting rods 44. The upper end of the upper connecting rod 43 is rotatably connected to the belt shifting block 42, and the lower end of the upper connecting rod 43 is rotatably connected to the upper end of the lower connecting rod 44. The lower end of the lower connecting rod 44 is rotatably connected to the connecting block 46. The welding torch 41 is mounted on the belt shifting block 42. The upper ends of the pair of upper connecting rods 43 mesh with each other. The rotating motor 45 is mounted on the belt shifting block 42, and the output shaft of the rotating motor 45 is connected to one of the upper connecting rods 43.
[0036] Working principle and usage process of this utility model:
[0037] First, the worker places the injection molding machine frame to be welded on the work platform 11 and between a pair of positioning plates 21. Then, the worm gear 25 is rotated so that the worm wheel 24 meshing with the worm gear 25 and the rotating plate 23 connected to the worm wheel 24 also rotate. The two opposite ends of the rotating plate 23 make a circular motion around the center of the worm wheel 24, thereby reducing the distance between the pair of rotating rods 22. In this way, the connecting plate 26 and the slider 211 connected to the pair of rotating rods 22 move towards each other, so that the positioning plates 21 move towards each other in the positioning groove 111, thereby fixing the frame placed between the positioning plates 21 to the work platform 11 and preventing the frame from shifting during the processing, which would affect the subsequent welding quality.
[0038] After the frame is fixed to the work platform 11 by the positioning structure 2, the driven motor 35, after starting, drives one of the pulleys 32 to rotate around the axis of the connecting rod 34, thereby driving the pulley 32 connected to the other end of the connecting rod 34 to rotate, causing the transmission belt 33 placed between a set of pulleys 32 to rotate, thereby driving the push block 31 to slide in the push groove 112 until the push block 31 moves to abut against one end of the frame; as the driven motor 35 continues to run, the push block 31 pushes the frame gradually past the welding gun 41, so that the welding gun 41 welds on various positions of the frame body, eliminating the need for manual operation by workers, saving labor costs, and improving the automation level of the equipment;
[0039] At the same time, the rotating motor 45, after starting, drives one of the upper connecting rods 43 to rotate, and also drives the other upper connecting rod 43 meshing with it to rotate. The rotation of the pair of upper connecting rods 43 increases or decreases the included angle between them, which in turn increases or decreases the included angle between the lower connecting rods 44 that are rotatably connected to the upper connecting rods 43. This causes the connecting block 46 and the welding torch 41 connected to the connecting block 46 to move up and down in the direction away from or towards the work platform 11, so as to meet the welding needs of different positions in the vertical direction of the frame. In addition, the worker can move the belt shifting block 42 on the mounting frame 12 to the required position to meet the welding needs of different positions in the horizontal direction of the frame, thus expanding the applicability of the equipment.
[0040] Although 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 alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An injection molding machine frame welding apparatus with a positioning structure, characterized by, Include: The device body (1) includes a work platform (11), the work platform (11) has a positioning slot (111), the positioning slot (111) is provided with two groups, two groups of the positioning slot (111) are oppositely arranged, and each group of the positioning slot (111) is provided with a plurality of, a plurality of the positioning slot (111) are parallel to each other; The positioning structure (2) includes a positioning plate (21), a rotating rod (22), a rotating plate (23), a worm wheel (24) and a worm (25), the positioning plate (21) and the rotating rod (22) are provided with a pair, a pair of the positioning plate (21) is slidably arranged in the positioning slot (111), the upper end of the worm wheel (24) is rotatably mounted on the lower surface of the work platform (11), the lower end of the worm wheel (24) is connected to the rotating plate (23), one end of a pair of the rotating rod (22) is rotatably connected to the opposite ends of the rotating plate (23), the other end of a pair of the rotating rod (22) is rotatably connected to a pair of the positioning plate (21), the worm (25) is rotatably mounted on the lower surface of the work platform (11), and the worm (25) is engaged with the worm wheel (24); The pushing structure (3) is installed on the work platform (11); The welding structure (4) is installed on the device body (1).
2. An injection molding machine frame welding apparatus with a positioning structure according to claim 1, characterized in that: The work platform (11) also has a pair of parallelly arranged pushing sliding grooves (112), the pushing structure (3) includes a pushing block (31), a pair of the pushing sliding grooves (112) are arranged between two groups of the positioning sliding grooves (111), and the pushing sliding grooves (112) are vertically arranged with the positioning sliding grooves (111), the pushing block (31) is provided with a pair, and a pair of the pushing block (31) is slidably arranged in a pair of the pushing sliding grooves (112).
3. An injection molding machine frame welding apparatus with a positioning structure according to claim 2, characterized in that: The pushing structure (3) further includes a pulley (32), a transmission belt (33), a connecting rod (34) and a driving motor (35), the pulley (32) and the transmission belt (33) are provided with two groups, one group of the pulley (32) is provided with two, and one of the pulley (32) in each group is arranged in parallel, the transmission belt (33) is connected to the two pulleys (32), the connecting rod (34) is connected to the two parallel pulleys (32) in two groups, the pulley (32) is rotatably mounted on the lower surface of the work platform (11), the output shaft of the driving motor (35) is connected to the connecting rod (34), and a pair of the pushing block (31) is fixedly installed on the upper end surface of a pair of the transmission belt (33).
4. An injection molding machine frame welding apparatus with a positioning structure according to claim 3, characterized in that: The lower end of the positioning plate (21) is provided with a sliding block (211), the positioning structure (2) further comprises a pair of connecting plates (26), the sliding block (211) is slidably arranged in the positioning sliding groove (111), the upper end surface of the connecting plate (26) is connected with the sliding block (211), and the lower end surface of the connecting plate (26) is rotationally connected with the end of the rotating rod (22) away from the rotating plate (23).
5. An injection molding machine frame welding apparatus with a positioning structure according to claim 4, characterized in that: The equipment body (1) further comprises a mounting frame (12), the welding structure (4) comprises a welding gun (41) and a belt moving block (42), the mounting frame (12) is mounted at one end of the working platform (11), the belt moving block (42) is slidably mounted on the mounting frame (12), and the belt moving block (42) is arranged at a predetermined distance above the working platform (11), and the welding gun (41) is mounted below the belt moving block (42).
6. An injection molding machine frame welding apparatus with a positioning structure according to claim 5, characterized in that: The welding structure (4) further comprises an upper connecting rod (43), a lower connecting rod (44), a rotating motor (45) and a connecting block (46), the upper connecting rod (43) and the lower connecting rod (44) are both provided with a pair, the upper end of the upper connecting rod (43) is rotationally connected with the belt moving block (42), the lower end of the upper connecting rod (43) is rotationally connected with the upper end of the lower connecting rod (44), the lower end of the lower connecting rod (44) is rotationally connected with the connecting block (46), the welding gun (41) is mounted on the belt moving block (42), the upper ends of the pair of upper connecting rods (43) are engaged with each other, the rotating motor (45) is mounted on the belt moving block (42), and the output shaft of the rotating motor (45) is connected with one of the upper connecting rods (43).