Efficient positioning tool for die-casting machine charging barrel assembly

Abstract

The invention discloses an efficient positioning tool for assembling a charging barrel of a die-casting machine, and relates to the technical field of die-casting machine reconditioning tools, a workbench is erected on a base in a sliding manner, a lifting hydraulic rod is fixedly arranged on the workbench, a bracket is fixedly arranged on an output shaft of the lifting hydraulic rod, and a positioning mechanism is arranged on the workbench; by designing the clamping type positioning structure which is symmetrical to the moving path of the back shore, positioning of equipment is conveniently achieved through positioning and clamping, namely, positioning of the charging barrel is achieved, and positioning and installation of the charging barrel can be achieved by jacking the charging barrel to be in butt joint with an equipment interface.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of die casting machine preparation tooling, in particular to a high-efficiency positioning tool for die casting machine barrel assembly. BACKGROUND

[0002] The die casting machine is a device that presses molten metal into the cavity of a mold through high pressure, and then cools and shapes the metal through a series of subsequent steps to obtain a cast metal workpiece. It is suitable for the production of castings with complex structures. The barrel is one of the core components of the die casting machine, which connects the discharge port and the feed port of the die casting machine, and needs to withstand the pressure of pressing the metal into the mold, as well as the backflow of the material. When maintaining and installing the barrel structure of the die casting machine, in order to ensure precise butt joint during installation, the barrel needs to be positioned and supported so that the barrel is aligned with the equipment interface, and then the barrel can be connected and fixed. The existing positioning tool needs to be adjusted in two or more axial directions when positioning is completed. When the equipment installation position is in a non-standard position, the adjustment operation is complex when adjusting in two directions. To facilitate the positioning operation during barrel installation, a new type of positioning tool is designed. SUMMARY

[0003] The present application aims to overcome the defects and shortcomings of the prior art, and provides a high-efficiency positioning tool for die casting machine barrel assembly. The tool is designed with a symmetrical clamping positioning structure to the top support movement path, which facilitates the positioning of the equipment through positioning clamping, i.e. the positioning of the barrel, so that the barrel can be positioned and installed by aligning the barrel with the equipment interface.

[0004] To achieve the above-mentioned purpose, the present application adopts the following technical scheme: It comprises a base, a workbench, wherein the workbench is slidably arranged on the base, and further comprises: a lifting hydraulic rod, which is fixedly arranged on the workbench; a bracket, which is fixedly arranged on the output shaft of the lifting hydraulic rod; and a positioning mechanism, which is arranged on the workbench.

[0005] Preferably, a guide sliding block is fixedly arranged on the lower side wall of the workbench, and the guide sliding block is slidably arranged on the crossbar of the base.

[0006] Preferably, two tertiary telescopic rods are fixedly arranged on the upper side wall of the workbench on both sides of the lifting hydraulic rod, and the output shaft of the tertiary telescopic rod is fixedly arranged on the lower side wall of the bracket.

[0007] Preferably, the base is fixedly provided with a support rod, a support seat is movably sleeved on the support rod, the support seat is symmetrically arranged on the wall on both sides of the support rod and is rotatably arranged on a rotating shaft, a support arm is rotatably arranged on the support seat through a bearing, one end of the support arm away from the support seat is rotatably arranged on a guide pin through a bearing, the guide pin is rotatably arranged on a connecting arm through a bearing, the other end of the connecting arm is rotatably arranged on the inner wall of the base through a rotating shaft, a guide groove is formed in the lower side wall of the workbench, and the guide pin is slidably arranged in the guide groove.

[0008] Preferably, the positioning mechanism comprises: two mounting seats symmetrically arranged on the workbench along the central axis of the bracket; a support shaft rotatably arranged on the mounting seat through a bearing; a positioning rod fixedly arranged on the support shaft, and the positioning rods on the left and right sides are symmetrically arranged; and a linkage assembly arranged between the two support shafts on the workbench.

[0009] Preferably, the linkage assembly comprises: a support frame fixedly arranged on the workbench; an internal hexagonal sleeve rotatably connected to the mounting seat through a bearing, and the internal hexagonal sleeve and the support shaft are transmissionally connected through a bevel gear set; and a hexagonal transmission rod rotatably arranged on the support frame through a bearing, and the internal hexagonal sleeve is movably sleeved on the hexagonal transmission rod.

[0010] Preferably, a threaded rod is arranged in parallel on the side of the hexagonal transmission rod, and the threaded rod is rotatably arranged on the support frame through a bearing; the left and right sections of the threaded rod are respectively provided with oppositely arranged threaded grooves; and two threaded sleeves are symmetrically rotatably connected to the two ends of the threaded rod through threads, and the two threaded sleeves are respectively fixedly arranged on the two mounting seats.

[0011] Preferably, a mounting frame is fixedly arranged on the workbench, a transmission shaft is rotatably arranged on the mounting frame through a bearing, the transmission shaft and the hexagonal transmission rod are transmissionally connected through a bevel gear set, an indicating needle is fixedly arranged on one end of the transmission shaft away from the hexagonal transmission rod, a scale disc is fixedly arranged on the mounting frame, and the scale disc is arranged in cooperation with the indicating needle.

[0012] Preferably, a torsional spring is sleeved on the transmission shaft, one leg of the torsional spring is fixedly arranged on the transmission shaft, and the other leg of the torsional spring is fixedly arranged on the mounting frame.

[0013] Compared with the prior art, the present application has the following advantages: The positioning rod of the linkage opening and closing movement is arranged, the positioning rod abuts against the outer side wall of the equipment interface, the positioning of the overlapping of the moving path of the bracket and the axis of the equipment interface is realized, the material cylinder is lifted by the bracket, the butt joint of the material cylinder and the equipment interface is realized, and the positioning installation of the material cylinder is realized. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic diagram of the application.

[0015] Figure 2 is a right side view of Figure 1 .

[0016] Figure 3 is a rear side view of Figure 1 .

[0017] Figure 4 is a structural schematic diagram of the base, support arm and connecting arm in the application.

[0018] Figure 5 is a structural schematic diagram of the workbench, bracket and positioning rod in the application.

[0019] Figure 6 is a lower side view of Figure 5 .

[0020] Figure 7 is a structural schematic diagram of the workbench, mounting bracket and transmission shaft in the application.

[0021] Figure 8 is a structural schematic diagram of the mounting seat, hexagonal transmission rod and threaded rod in the application.

[0022] Explanation of reference signs: base 1, workbench 2, lifting hydraulic rod 3, bracket 4, positioning mechanism 5, mounting seat 5-1, support shaft 5-2, positioning rod 5-3, linkage assembly 6, support bracket 6-1, inner hexagonal sleeve 6-2, hexagonal transmission rod 6-3, guide sliding block 7, three-stage telescopic rod 8, support rod 9, support seat 10, support arm 11, guide pin 12, connecting arm 13, guide groove 14, threaded rod 15, threaded sleeve 16, mounting bracket 17, transmission shaft 18, indicating needle 19, scale disc 20, torsional spring 21. DETAILED DESCRIPTION

[0023] The technical solutions in the application will be described clearly and completely below in conjunction with the drawings, and the preferred embodiments in the description are only as examples, and all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0024] As shown in Figures 1-8 , the specific embodiment adopts the following technical solutions: The specific embodiment comprises a base 1, a workbench 2, wherein the workbench 2 is erected on the base 1, a guide sliding block 7 is fixedly arranged on the lower side wall of the workbench 2 and is slidably erected on the cross bar of the base 1, a support rod 9 is fixedly arranged in the interior of the base 1, a support seat 10 is movably sleeved on the support rod 9, support arms 11 are symmetrically rotatably arranged on the front and rear side walls of the support seat 10 through pivots, guide pins 12 are rotatably connected through bearings and are arranged on the ends of the support arms 11 away from the support seat 10, guide grooves 14 are arranged on the lower side wall of the workbench 2 and are perpendicular to the sliding direction of the workbench 2, connecting arms 13 are rotatably sleeved through bearings and are arranged on the guide pins 12, and the other ends of the connecting arms 13 are rotatably arranged on the wall of the base 1 away from the support seat 10 through pivots; a lifting hydraulic rod 3 is fixedly arranged on the upper side wall of the workbench 2, a bracket 4 is fixedly arranged on the output shaft of the lifting hydraulic rod 3, three-stage telescopic rods 8 are fixedly arranged on the front and rear sides of the workbench 2, and the output shafts of the three-stage telescopic rods 8 are fixedly arranged on the lower side wall of the bracket 4; two mounting seats 5-1 are arranged on the workbench 2 and are symmetrically arranged with the central axis of the bracket 4 as the center, support shafts 5-2 are rotatably arranged on the mounting seats 5-1 through bearings, positioning rods 5-3 are fixedly arranged on the support shafts 5-2, the left and right positioning rods 5-3 are symmetrically arranged, a support frame 6-1 is fixedly arranged on the workbench 2, a hexagonal transmission rod 6-3 is rotatably arranged on the support frame 6-1 through a bearing, an internal hexagonal sleeve 6-2 is rotatably arranged on the mounting seat 5-1 through a bearing and is movably sleeved on the hexagonal transmission rod 6-3, the internal hexagonal sleeve 6-2 and the support shaft 5-2 are connected through a bevel gear set, a mounting frame 17 is fixedly arranged on the workbench 2 and is arranged on the right side of the base, a transmission shaft 18 is rotatably arranged on the mounting frame 17 through a bearing, the rear end of the transmission shaft 18 and the right end of the hexagonal transmission rod 6-3 are connected through a bevel gear set, a pointer 19 is fixedly arranged on the front end of the transmission shaft 18, a scale disc 20 is fixedly arranged on the front side wall of the mounting frame 17, the pointer 19 and the scale disc 20 are arranged in cooperation, a torsional spring 21 is sleeved on the transmission shaft 18, one leg of the torsional spring 21 is fixedly arranged on the transmission shaft 18, and the other leg of the torsional spring 21 is fixedly arranged on the mounting frame 17.

[0025] In use of the device, the cartridge is placed on the bracket 4, then the base 1 is placed at the cartridge installation position of the equipment, and the position of the base 1 is adjusted so that the axis of the cartridge is parallel to the axis of the equipment interface, then the two positioning rods 5-3 are opened, and the workbench 2 is moved so that the two positioning rods 5-3 are respectively supported on the two sides of the equipment interface, then the positioning rods 5-3 are loosened, the transmission shaft 18 is pushed to rotate by the torsional spring 21, the hexagonal transmission rod 6-3 is driven to rotate by the transmission shaft 18, the inner hexagonal sleeve 6-2 is driven to rotate by the hexagonal transmission rod 6-3, and the support shaft 5-2 is driven to rotate by the inner hexagonal sleeve 6-2, so that the two support shafts 5-2 on the two sides drive the two positioning rods 5-3 to rotate and close, and the positioning rods 5-3 are abutted against the outer side wall of the equipment interface, then the workbench 2 is reciprocated slightly to adjust the position of the workbench 2, so that the positioning rods 5-3 are moved left and right, until the two positioning rods 5-3 are all abutted against the side wall of the equipment interface, in the process of adjusting the workbench 2, the two inner hexagonal sleeves 6-2 on the two sides are driven to rotate synchronously by the hexagonal transmission rod 6-3, so that the two positioning rods 5-3 on the two sides are driven to open and close synchronously by the support shaft 5-2, when the positioning rods 5-3 are abutted against the outer side wall of the equipment interface, the two positioning rods 5-3 are all abutted against the equipment interface, that is, the two positioning rods 5-3 are in the minimum closed state, and when only one of the positioning rods 5-3 is abutted against the outer side wall of the equipment interface, the two positioning rods 5-3 are opened to a larger extent, with the adjustment of the workbench 2 to rotate the positioning rods 5-3, the positioning rods 5-3 are rotated and the transmission shaft 18 is rotated by the hexagonal transmission rod 6-3, so that the transmission shaft 18 drives the indicating needle 19 to rotate, and the indicating needle 19 is observed by cooperating with the dial 20, when the indicating needle 19 points to the minimum scale that can be observed on the dial 20, that is, the two positioning rods 5-3 are all abutted against the outer side wall of the equipment interface, at this time, the bracket 4 is pushed by the lifting hydraulic rod 3, and the cartridge is moved by the bracket 4, so that the axis of the cartridge overlaps with the axis of the equipment interface, thereby realizing the butt joint of the cartridge and the equipment interface, and then the installation butt joint of the cartridge is carried out. When the equipment interface with different diameters is used, the threaded rod 15 is rotated to drive the two mounting seats 5-1 on the two sides to open and close, so as to adjust the span between the two mounting seats 5-1, and the span between the two positioning rods 5-3 is adjusted, so that the span between the two positioning rods 5-3 matches the diameter of the equipment interface, and the positioning rods 5-3 can abut against the outer side wall of the equipment interface.

[0026] Compared with the prior art, the device has the following advantages: 1、The device is provided with two positioning rods 5-3 that can be opened and closed, the positioning rods 5-3 are abutted against the outer side wall of the equipment interface, the positioning of the workbench 2 is realized, the cartridge is placed on the bracket 4, the positioning between the cartridge and the equipment interface is realized, and the positioning and installation of the cartridge are facilitated. 2、The device realizes the transmission between the two supporting shafts 5-2 through the hexagonal transmission rod 6-3, that is, realizes the opening and closing transmission between the positioning rods 5-3 on the two sides, so that the positioning rods 5-3 on the two sides simultaneously abut against the equipment interface to the minimum closing degree, realizes the positioning judgment of the equipment by observing the pointing position of the indicating needle 19, and realizes the positioning judgment of the equipment.

[0027] For those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, and equivalent replacement of part of the technical features can be made, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An efficient positioning tool for assembling a barrel of a die-casting machine, comprising a base (1) and a workbench (2), wherein the workbench (2) is slidably mounted on the base (1); characterized in that: It also includes: a lifting hydraulic rod (3), the lifting hydraulic rod (3) is fixedly arranged on the workbench (2); a bracket (4), the bracket (4) is fixedly arranged on the output shaft of the lifting hydraulic rod (3); and a positioning mechanism (5), the positioning mechanism (5) is arranged on the workbench (2).

2. The efficient positioning tool for assembling the barrel of a die-casting machine according to claim 1, characterized in that: A guide slide block (7) is fixedly provided on the lower side wall of the workbench (2), and the guide slide block (7) is slidably mounted on the crossbar of the base (1).

3. The efficient positioning tool for assembling the barrel of a die-casting machine according to claim 1, characterized in that: Two three-stage telescopic rods (8) are fixedly arranged on both sides of the lifting hydraulic rod (3) on the upper side wall of the workbench (2), and the output shafts of the three-stage telescopic rods (8) are fixedly arranged on the lower side wall of the bracket (4).

4. The efficient positioning tool for assembling the barrel of a die-casting machine according to claim 1, characterized in that: A support rod (9) is fixedly provided on the base (1), and a support seat (10) is movably sleeved on the support rod (9). The support seat (10) is symmetrically located on the walls on both sides of the support rod (9) and is symmetrically provided with support arms (11) through a rotating shaft. A guide pin (12) is rotated on one end of the support arm (11) away from the support seat (10) through a bearing. A connecting arm (13) is rotated on the guide pin (12) through a bearing. The other end of the connecting arm (13) is rotated on the inner wall of the base (1) through a rotating shaft. A guide groove (14) is opened on the lower side wall of the workbench (2), and the guide pin (12) is slidably provided in the guide groove (14).

5. The efficient positioning tool for assembling the barrel of a die-casting machine according to claim 1, characterized in that: The positioning mechanism (5) comprises: a mounting seat (5-1), wherein the mounting seats (5-1) are two and are symmetrically arranged on the workbench (2) with the central axis of the bracket (4); a support shaft (5-2), wherein the support shaft (5-2) is rotated on the mounting seat (5-1) through a bearing; a positioning rod (5-3), wherein the positioning rod (5-3) is fixedly arranged on the support shaft (5-2), and the positioning rods (5-3) on the left and right sides are symmetrically arranged; and a linkage component (6), wherein the linkage component (6) is mounted on the workbench (2), and the left and right support shafts (5-2) are connected by the linkage component (6).

6. The efficient positioning tool for assembling the barrel of a die-casting machine according to claim 5, characterized in that: The linkage assembly (6) comprises: a support frame (6-1), the support frame (6-1) is fixedly arranged on the workbench (2); a hexagonal sleeve (6-2), the hexagonal sleeve (6-2) is screwed through the mounting seat (5-1) through a bearing, and the hexagonal sleeve (6-2) and the support shaft (5-2) are connected and arranged through a bevel gear set; a hexagonal transmission rod (6-3), the hexagonal transmission rod (6-3) is screwed on the support frame (6-1) through a bearing, and the hexagonal sleeve (6-2) is movably sleeved on the hexagonal transmission rod (6-3).

7. The efficient positioning tool for assembling the barrel of a die-casting machine according to claim 6, characterized in that: A threaded rod (15) is provided parallel to the side of the hexagonal transmission rod (6-3), and the threaded rod (15) is screwed onto the support frame (6-1) through a bearing. Threaded grooves arranged oppositely are provided on the left and right sections of the threaded rod (15). Threaded sleeves (16) are symmetrically provided at both ends of the threaded rod (15) through threaded connection sleeves, and the two threaded sleeves (16) are respectively inserted and fixed on the mounting seats (5-1) on both sides.

8. The efficient positioning tool for assembling the barrel of a die-casting machine according to claim 7, characterized in that: The workbench (2) is fixedly provided with a mounting frame (17), a transmission shaft (18) is rotatably provided on the mounting frame (17) through a bearing, the transmission shaft (18) and the hexagonal transmission rod (6-3) are connected to each other through a bevel gear set, an indicator needle (19) is fixedly provided on one end of the transmission shaft (18) away from the hexagonal transmission rod (6-3), a scale plate (20) is fixedly provided on the mounting frame (17), and the scale plate (20) and the indicator needle (19) are arranged in coordination.

9. The efficient positioning tool for assembling the barrel of a die-casting machine according to claim 8, characterized in that: The transmission shaft (18) is sleeved with a torsion spring (21), wherein one column foot of the torsion spring (21) is fixedly arranged on the transmission shaft (18), and the other column foot of the torsion spring (21) is fixedly arranged on the mounting frame (17).

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