Pressing rod structure of exchange platform type laser machine

Abstract

The utility model discloses an exchange platform type laser machine pressing rod structure which comprises a supporting frame, the supporting frame is arranged on one side of a left bed frame, pressing and holding assemblies used for positioning the end of an upper exchange platform are symmetrically arranged on the left bed frame on one side of the supporting frame, each pressing and holding assembly comprises a pressing plate, and two sets of longitudinal rods are arranged at the bottom of each pressing plate. The longitudinal rod is movably arranged on the upper support, the bottom of the longitudinal rod is connected with the connecting plate, the upper support is arranged on the mounting frame, the mounting frame is arranged on the bottom plate, a longitudinal air cylinder is arranged on the bottom plate, and a piston rod of the longitudinal air cylinder is connected with the connecting plate. The end of the upper exchange platform is locked and fixed through the pressing plate, the situation that in the workpiece cutting process, the upper exchange platform vibrates, and consequently the workpiece warps or deviates can be effectively prevented, and the workpiece cutting stability and precision are greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser cutting machine technical field especially relates to a kind of exchange platform formula laser machine pressure rod structure. BACKGROUND

[0002] Laser cutting machine, a high-precision cutting tool with laser technology as core, focuses high-energy laser into a very thin and high-power beam through advanced optical system. When the beam irradiates to the workpiece surface, its huge energy can quickly heat the workpiece to melting point or even boiling point. At this time, the high-pressure gas coaxial with the beam plays its role, quickly removes the melted or vaporized metal. With the precise movement of the beam on the workpiece, the fine cutting of the material is realized. To meet the market's higher pursuit of efficiency and productivity, the innovative design of laser cutting machine exchange table emerges as the times require

[0003] The exchange platform formula laser machine in prior art cannot lock and position the end position of platform after platform exchange. In the workpiece cutting process, the platform is prone to vibration, causing workpiece warping or displacement, affecting workpiece cutting precision. UTILITY MODEL CONTENT

[0004] The technical problem to be solved by the utility model is to provide an exchange platform formula laser machine pressure rod structure, which solves the problem of the exchange platform formula laser machine in prior art that cannot lock and position the end position of platform after platform exchange, the platform is prone to vibration in the workpiece cutting process, causing workpiece warping or displacement, and affecting workpiece cutting precision.

[0005] To solve the above technical problem, the utility model provides an exchange platform formula laser machine pressure rod structure, which comprises a support frame. The support frame is arranged on one side of a left bed frame. A pressure holding assembly for positioning the end of an upper exchange platform is symmetrically arranged on the left bed frame on one side of the support frame. The pressure holding assembly comprises a pressure plate. Two groups of longitudinal rods are arranged at the bottom of the pressure plate. The longitudinal rods are movably arranged on an upper support. The longitudinal rods are connected with a link plate at the bottom. The upper support is arranged on a mounting frame. The mounting frame is arranged on a bottom plate. A longitudinal cylinder is arranged on the bottom plate. The piston rod of the longitudinal cylinder is connected with the link plate.

[0006] Preferably, the bottom plate is arranged on the left bed frame on one side of the support frame. Bolt mounting holes are further arranged on both sides of the bottom plate, so that the bottom plate and the left bed frame can be fixedly connected.

[0007] Preferably, the upper exchange platform is movably arranged in the left bed frame. A positioning pin is further arranged on one side surface of the upper exchange platform. The positioning pin can be fixed by the pressure holding of the pressure plate, so that the end of the upper exchange platform can be fixed.

[0008] Preferably, the positioning pin side is also provided with a positioning clamping groove, which corresponds to the pressing plate and can accurately move the positioning pin to below the pressing plate.

[0009] Preferably, the positioning clamping groove and the pressing plate are both inverted trapezoidal in cross section, improving the fit of the pressing plate and the positioning clamping groove and further improving the locking stability of the pressing plate to the positioning pin.

[0010] Preferably, the support frame is also provided with a through hole for guiding the positioning pin and facilitating the positioning pin to pass through the through hole.

[0011] Preferably, the upper support frame is also provided with a guide sleeve, and the longitudinal rod is movably arranged in the guide sleeve, improving the guidance of the longitudinal rod during movement.

[0012] Preferably, the bottom plate and the mounting frame are connected and provided with a reinforcing rib.

[0013] The beneficial effects of the present application are:

[0014] The present application can effectively prevent the upper exchange platform from vibrating during workpiece cutting, causing workpiece warping or deviation, greatly improving the workpiece cutting stability and precision. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the exchange platform type laser cutting machine.

[0016] Figure 2 It is Figure 1 A local enlarged structure schematic diagram of the middle A part.

[0017] Figure 3 It is Figure 2 A local enlarged structure schematic diagram of the middle B part.

[0018] Figure 4 It is a structure schematic diagram of the pressing assembly in the present application.

[0019] In the figure: 1, left bed frame, 2, cross beam, 3, laser cutting head, 4, right bed frame, 5, upper exchange platform, 6, lower exchange platform, 7, material receiving trolley, 8, exchange platform driving motor, 9, pressing assembly, 10, positioning pin, 11, positioning clamping groove, 12, support frame, 13, through hole, 91, mounting frame, 92, upper support frame, 93, longitudinal rod, 94, pressing plate, 95, adapter plate, 96, bottom plate, 97, longitudinal cylinder, 98, guide sleeve, 961, reinforcing rib, 962, bolt mounting hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, all the directionality indications (such as up, down, left, right, front, back, etc.) in the utility model are only used for explaining the relative position relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directionality indications also change accordingly.

[0021] Please refer to Figures 1-4 A kind of exchange platform type laser machine pressing rod structure, support frame 12 is arranged on the left bed frame 1 side, the left bed frame 1 on the side of support frame 12 is symmetrically arranged and is used to position the end of upper exchange platform 5 The pressing assembly 9 is arranged, the upper exchange platform 5 is movably arranged in the left bed frame 1, the left bed frame 1 side is also provided with right bed frame 4, and the right bed frame 4 is movably arranged in the lower exchange platform 6, the left bed frame 1 is also provided with exchange platform drive motor 8 for controlling the upper exchange platform 5 and the lower exchange platform 6 move towards each other, and the upper exchange platform 5 and the lower exchange platform are moved by the chain wheel structure driven by the exchange platform drive motor 8;

[0022] The left bed frame 1 is also provided with a cross beam 2, and a laser cutting head 3 is arranged on the cross beam 2. A cutting head drive motor is also arranged on the cross beam 2. The cutting head drive motor drives a screw nut transmission structure, drives the laser cutting head 3 to move along the cross beam 2, and adjusts the switching position of the laser cutting head 3.

[0023] The pressing assembly 9 comprises a pressing plate 94, two groups of longitudinal rods 93 are arranged at the bottom of the pressing plate 94, the longitudinal rods 93 are movably arranged on the upper support 92, the bottom of the longitudinal rods 93 is connected with the adapter plate 95, the upper support 92 is arranged on the mounting bracket 91, the mounting bracket 91 is arranged on the bottom plate 96, the longitudinal cylinder 97 is arranged on the bottom plate 96, the piston rod of the longitudinal cylinder 97 is connected with the adapter plate 95, the longitudinal movement of the adapter plate 95 can be driven by the extension and retraction of the longitudinal cylinder 97, the longitudinal movement of the pressing plate 94 is realized by the longitudinal movement of the adapter plate 95, and the end of the upper exchange platform 5 is pressed and locked.

[0024] The upper exchange platform 5 is movably arranged in the left bed frame 1, and a positioning pin 10 is arranged on one side surface of the upper exchange platform 5. The positioning pin 10 can be fixed by the pressing of the pressing plate 94, so as to fix the end of the upper exchange platform 5.

[0025] Further, the bottom plate 96 is arranged on the left bed frame 1 on the side of the support frame 12, and bolt mounting holes 962 are arranged on both sides of the bottom plate 96. The bottom plate 96 and the left bed frame 1 can be fixedly connected by locking bolts.

[0026] Further, the positioning pin 10 side is also provided with a positioning clamping groove 11, and the positioning clamping groove 11 corresponds to the pressing plate 94, when the positioning pin 10 moves to the lower side of the pressing plate 94, the pressing plate 94 can be clamped into the positioning clamping groove 11 through the extension and retraction of the vertical cylinder 97.

[0027] Further, the positioning clamping groove 11 and the pressing plate 94 are both inverted trapezoidal in cross section, which improves the fit of the pressing plate 94 and the positioning clamping groove 11, and further improves the locking stability of the pressing plate 94 to the positioning pin 10.

[0028] Further, the support frame 12 is also provided with a through hole 13, which is used for guiding the positioning pin 10 and facilitating the positioning pin 10 to pass through the through hole 13.

[0029] Further, the upper support 92 is also provided with a guide sleeve 98, and the vertical rod 93 is movably arranged in the guide sleeve 98, when the vertical cylinder 97 drives the connecting plate 95 to move vertically, the connecting plate 95 drives the two groups of vertical rods 93 to move in the guide sleeve 98 at the same time, which improves the guidance of the vertical rod 93 when moving.

[0030] Further, the bottom plate 96 is also provided with a reinforcing rib 961

[0031] Further, the left bed frame 1 is also provided with a plurality of movable material receiving trolleys 7, which can carry the cut workpieces.

[0032] The working principle and use process of the utility model are as follows:

[0033] In use, the vertical screw rod is in an extended state, and then the pressing plate 94 is located on the upper side of the through hole 13, under the driving of the exchange platform driving motor 8, the exchange platform 6 and the upper exchange platform 5 move, the upper exchange platform 5 drives the positioning pin 10 to move, and the positioning pin 10 moves out of the through hole 13, when the upper exchange platform 5 moves to the cutting station, the vertical cylinder 97 drives the connecting plate 95 to move downward, the connecting plate 95 drives the two groups of vertical rods 93 to move downward, the two groups of vertical rods 93 drive the pressing plate 94 to move downward, and the pressing plate 94 is clamped into the positioning clamping groove 11, the positioning pin 10 is clamped and fixed by the pressing plate 94, at this time, the end of the upper exchange platform 5 is auxiliary positioned, then the laser cutting head 3 is driven to move by the cutting head driving motor, and the workpiece on the upper exchange platform 5 is cut, during the cutting process, the upper exchange platform 5 is prevented from vibrating due to the locking and positioning of the pressing plate 94, and then the workpiece is prevented from warping or deviating, the workpiece cutting stability is improved, and the cutting precision of the workpiece is ensured.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A switching platform laser machine presser bar structure, characterized in that: The utility model provides a left bed frame (1) and right bed frame (2) are connected through the support frame (12), the support frame (12) is provided on the left bed frame (1) one side, the support frame (12) one side left bed frame (1) is provided with the pressure holding assembly (9) for positioning the end of upper exchange platform (5) symmetrically, the pressure holding assembly (9) includes the pressing plate (94), the bottom of pressing plate (94) is provided with two sets of longitudinal rod (93), longitudinal rod (93) is movably arranged on the upper support (92), the bottom of longitudinal rod (93) is connected with the link plate (95), the upper support (92) is arranged on the mounting bracket (91), the mounting bracket (91) is arranged on the bottom plate (96), the bottom plate (96) is provided with longitudinal cylinder (97), the piston rod of longitudinal cylinder (97) is connected with the link plate (95).

2. The laser machine press bar structure of claim 1, wherein: The bottom plate (96) is arranged on the left bed frame (1) of the support frame (12) one side, and bolt mounting holes (962) are further arranged on the two sides of the bottom plate (96).

3. The laser machine press bar structure of claim 1, wherein: The upper exchange platform (5) is movably arranged in the left bed frame (1), and a positioning pin (10) is further arranged on the side surface of the upper exchange platform (5).

4. The laser machine press bar structure of claim 3, wherein: The positioning pin (10) is further provided with a positioning clamping groove (11) on one side, and the positioning clamping groove (11) corresponds to the pressing plate (94).

5. The laser machine press ram structure of claim 4, wherein: The positioning clamping groove (11) and the pressing plate (94) are both inverted trapezoidal in cross section.

6. The laser machine press ram structure of claim 1, wherein: The support frame (12) is further provided with a through hole (13) for guiding the positioning pin (10).

7. The laser machine press ram structure of claim 1, wherein: The bottom of the upper support (92) is further provided with a guide sleeve (98), and the longitudinal rod (93) is movably arranged in the guide sleeve (98).

8. The laser machine press ram structure of claim 1, wherein: The bottom plate (96) and the mounting bracket (91) are further provided with a reinforcing rib (961) at the connection position.

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