A vertical machining center pallet changer

By designing movable positioning components and docking components, the problem that the clamping plates of vertical machining centers cannot fit workpieces of different shapes has been solved, enabling quick replacement of clamping plates and stable clamping, thereby improving the working efficiency of machining centers.

CN223588840UActive Publication Date: 2025-11-25QINGDAO XINXING SHENGDA MASCH EQUIP CO LTD
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Patent Information

Application Number
CN202423226646.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-11-25
Estimated Expiration
2034-12-25

AI Technical Summary

Technical Problem

The clamping plates of vertical machining centers cannot fully conform to the outer wall of workpieces of different shapes for clamping, affecting clamping stability. Furthermore, the clamping plates are fixedly connected to the threaded sleeve, making it difficult to quickly change to adapt to the shape of different batches of workpieces, thus reducing work efficiency.

Method used

A pallet exchange device is designed, comprising a movable positioning component, a docking component, a pressing component, and an abutment component. The movable positioning component drives the clamping plate to hold the workpiece, the docking component docks the clamping plate onto the placement seat, the pressing component unlocks the clamping plate position, and the abutment component locks the clamping plate position, thereby achieving rapid replacement of the clamping plate and stable clamping.

Benefits of technology

It improves the stability and efficiency of clamping, and makes it easier for workers to quickly change clamps of appropriate shapes and sizes according to different batches of workpieces, thus enhancing the practicality and processing efficiency of the device.

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Abstract

The utility model relates to vertical machining center technical field, concretely relates to a vertical machining center tray exchange device, including base, the inside embedded installation of base has first motor, the drive end of first motor is installed with rotary seat, the both ends of rotary seat's top are all installed with placing seat, install movable butt joint mechanism on placing seat, movable butt joint mechanism includes two groups of clamping plate, multiple fixed base, movable positioning assembly, butt joint subassembly, rotation pressure subassembly and abutment component, the side of clamping plate is installed with the plugboard, the side of fixed base is provided with the slot, the slot is the sliding connection with plugboard, fixed base installs on movable positioning assembly, the utility model discloses simple structure, convenient operation, and the staff is convenient for quick according to the workpiece of different batch model replacement corresponding shape size's clamping plate, further improved the practicality of device and work efficiency.
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Description

TECHNICAL FIELD

[0001] The utility model relates to vertical machining center technical field, concretely relates to a vertical machining center tray exchange device. BACKGROUND

[0002] The machining center is a kind of highly automated multifunctional numerical control machine tool with tool magazine and automatic tool changer.The equipment of vertical machining center can control machine tool to automatically select and replace tool, automatically change machine tool spindle speed, feed amount and the movement trajectory of tool relative to workpiece and other auxiliary functions according to different processes by digital control system after workpiece is clamped on machining center, to complete the machining of several processes on the surface of workpiece in turn, and there are multiple tool changing or tool selecting functions, so that production efficiency is greatly improved, at present, some vertical machining centers are mostly in the structure of tray to carry the workpiece to be processed, and the conventional machining equipment has only one tray, so that only the workpiece fixed on one tray can be machined in the whole opening and closing process of the equipment, which greatly reduces the machining efficiency.

[0003] In order to solve the above technical problems, the prior art disclosed in Chinese patent No.CN219094477U provides a vertical machining center tray exchange device, which comprises a circular table, a support fixed on the circular table, a tray fixed on the support, a rotating disc fixed at the lower end of the circular table, a rotating seat rotatably arranged on the rotating disc, a rolling ball rotatably arranged at the lower end of the circular table and the rotating seat.

[0004] Although the prior art can clamp and position the workpiece by the approaching or moving away of the two clamping plates, ensure the stability of rotation and machining process, but the clamping plate cannot completely fit the outer wall of workpieces of different shapes for clamping, which affects the stability during clamping, and the clamping plate is directly fixedly connected on the threaded sleeve, so that the staff cannot quickly replace the clamping plate of corresponding shape and size according to the shape of workpieces of different batches, thereby reducing the work efficiency, and the practicability of the device is insufficient. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a vertical machining center tray exchange device to solve the problem that the clamping plate cannot completely fit the outer wall of workpieces of different shapes for clamping, which affects the stability during clamping, and the clamping plate is directly fixedly connected on the threaded sleeve, so that the staff cannot quickly replace the clamping plate of corresponding shape and size according to the shape of workpieces of different batches, thereby reducing the work efficiency, and the practicability of the device is insufficient.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] The utility model provides a vertical machining center tray exchange device, including the base, the inside embedding installation of base has first motor, the drive end of first motor installs the rotary seat, the top both ends of rotary seat all install the placing seat, install movable docking mechanism on placing seat, movable docking mechanism includes two groups of clamping plate, a plurality of fixed seat, movable positioning assembly, docking assembly, rotation pressure subassembly and abutment component, one side of clamping plate installs the plugboard, one side of fixed seat is provided with the insertion slot, the insertion slot is slidably connected with the plugboard, fixed seat installs on movable positioning assembly, movable positioning assembly is used for driving clamping plate to clamp work piece, docking assembly is used for docking clamping plate on placing seat, rotation pressure subassembly is used for cooperation docking assembly and is used for unlocking the position of clamping plate, abutment component is used for cooperation rotation pressure subassembly and is used for locking the position of clamping plate.

[0008] As the preferred scheme of the utility model, the docking assembly includes a movable rod slidably connected inside the fixed seat, a rotating groove is formed on the outside of the movable rod inside the fixed seat, a rotating disc is slidably connected inside the rotating groove, the rotating disc is rotatably connected with the movable rod, first springs are installed between the two ends of one side of the rotating disc and the inner wall of the rotating groove, and a plurality of docking grooves extending to one side of the inside of the fixed seat are formed inside the plugboard.

[0009] As the preferred scheme of the utility model, a retraction groove is formed on the side of the fixed seat close to the docking groove, a clamping block is installed at one end of the movable rod, the docking groove is a cross groove, the docking groove is slidably connected with the clamping block, the width of the clamping block in the longitudinal direction is the same as that of the movable rod, the movable rod is slidably connected with the center of the docking groove, and the diameter of the movable rod is greater than the width of the longitudinal and transverse openings of the docking groove.

[0010] As the preferred scheme of the utility model, the rotation pressure subassembly includes an installation groove formed on one side of the docking groove inside the fixed seat, the installation groove is a circular groove, a bottom disc is rotatably connected inside the installation groove, second springs are installed at the two ends of the top of the bottom disc, a docking disc is installed at the top end of the second spring, a positioning block is installed at the top of the docking disc, a positioning groove is formed at the bottom end of the clamping block and engaged with the positioning block, and the docking disc is slidably connected with the inside of the installation groove.

[0011] As the preferred scheme of the utility model, the abutment component includes an abutment groove formed on the inner wall of the installation groove inside the fixed seat, a third spring is installed inside the abutment groove, an abutment block is installed at one end of the third spring, the abutment block is snapingly connected with the abutment groove, the side section of the clamping block is in U shape, and the bottom end of the opposite surface of each of the two abutment blocks is provided with a clamping groove engaged with the protruding end on the two sides of the clamping block.

[0012] As the preferred scheme of the utility model, the first slope surface is arranged at both ends of the clamping block, the second slope surface is arranged at one end of the abutting block close to the clamping block, and the first slope surface and the second slope surface are mutually attached, and the one end of the movable rod extending to the outside of the fixed seat is rotationally connected with a pull ring.

[0013] As the preferred scheme of the utility model, the movable positioning assembly comprises an adjusting groove arranged at the top of the placing seat, a first threaded rod is rotationally connected to the inside of the adjusting groove, the threads of the two ends of the outside of the first threaded rod are opposite, the two ends of the outside of the first threaded rod are both threadedly connected with an adjusting plate, the adjusting plate and the adjusting groove are slidingly connected, a second motor is installed on one side of the placing seat, the driving end of the second motor extends to the inside of the adjusting groove and is fixedly connected with one end of the first threaded rod, and one side of the adjusting plate is fixedly connected with one side of the fixed seat.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] In the utility model, the movable positioning assembly drives the clamping plate to clamp the workpiece, the butt joint assembly butts the clamping plate on the placing seat, the rotating and pressing assembly cooperates with the butt joint assembly to unlock the position of the clamping plate, and the abutting assembly cooperates with the rotating and pressing assembly to lock the position of the clamping plate, so that the structure is simple, the operation is convenient, the staff can quickly replace the clamping plate of the corresponding shape and size according to different batches of workpieces, and the practicability and the work efficiency of the device are further improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the overall structure schematic view of the utility model;

[0017] Figure 2 It is the fixed seat and the clamping plate partial three-dimensional structure schematic view of the utility model;

[0018] Figure 3 It is the movable rod partial three-dimensional structure schematic view of the utility model;

[0019] Figure 4 It is the fixed seat partial sectional structure schematic view of the utility model.

[0020] In the drawing: 1, base; 2, rotating seat; 3, placing seat; 4, clamping plate; 5, fixed seat; 6, rotating disc; 7, butt joint groove; 8, clamping block; 9, base plate; 10, butt joint disc; 11, positioning block; 12, abutting groove; 13, abutting block; 14, pull ring; 15, first slope surface; 16, first threaded rod; 17, adjusting plate; 18, second motor; 19, plugboard. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0022] Embodiment

[0023] Please refer to Figures 1-4 The present application provides a technical solution:

[0024] The vertical machining center tray exchange device comprises a base 1, a first motor is embedded and installed in the base 1, a rotating seat 2 is installed at the driving end of the first motor, a placing seat 3 is installed at the top of the rotating seat 2, a movable butt joint mechanism is installed on the placing seat 3, the movable butt joint mechanism comprises two groups of clamping plates 4, a plurality of fixed seats 5, a movable positioning assembly, a butt joint assembly, a rotating and pressing assembly and an abutting assembly, a plugboard 19 is installed on one side of the clamping plate 4, a plug groove is formed in one side of the fixed seat 5, the plug groove and the plugboard 19 are in sliding connection, the fixed seat 5 is installed on the movable positioning assembly, the movable positioning assembly is used for driving the clamping plate 4 to clamp a workpiece, the butt joint assembly is used for butt joining the clamping plate 4 on the placing seat 3, the rotating and pressing assembly is used for unlocking the position of the clamping plate 4 in cooperation with the butt joint assembly, and the abutting assembly is used for locking the position of the clamping plate 4 in cooperation with the rotating and pressing assembly. When the device is used, the movable positioning assembly can drive the clamping plate 4 to clamp the workpiece, the butt joint assembly can butt join the clamping plate 4 on the placing seat 3, the rotating and pressing assembly can unlock the position of the clamping plate 4 in cooperation with the butt joint assembly, and the abutting assembly can lock the position of the clamping plate 4 in cooperation with the rotating and pressing assembly. The device has the advantages of simple structure, convenient operation, convenience for workers to quickly replace the clamping plate 4 of a corresponding shape and size according to workpieces of different batches and models, and further improved practicability and work efficiency.

[0025] In the present embodiment, as Figure 1 , Figure 2 and Figure 3As shown, the docking assembly includes a movable rod slidingly connected inside the fixed seat 5, a rotating groove is formed on the outside of the movable rod inside the fixed seat 5, a rotating disc 6 is slidingly connected inside the rotating groove, the rotating disc 6 is rotatably connected with the movable rod, first springs are installed between the two ends of one side of the rotating disc 6 and the inner wall of the rotating groove, a plurality of docking grooves 7 extending to one side of the inside of the fixed seat 5 are arranged in the inside of the plug plate 19, a retraction groove is formed on the side of the fixed seat 5 close to the docking groove 7, a clamping block 8 is installed at one end of the movable rod, the docking groove 7 is a cross groove, the docking groove 7 is slidingly connected with the clamping block 8, the width of the clamping block 8 in the longitudinal direction is the same as that of the movable rod, the center of the movable rod and the docking groove 7 is slidingly connected, the diameter of the movable rod is greater than the width of the longitudinal and transverse openings of the docking groove 7. First, the corresponding clamping plate 4 is attached to the fixed seat 5, the plug plate 19 is inserted into the inside of the plug groove, the pull ring 14 can be buckled, the clamping block 8 is rotated to the longitudinal direction by twisting the movable rod, then the pull ring 14 is pressed to drive the clamping block 8 to rotate to the transverse direction after entering the inside of the docking groove 7, and then the clamping block 8 is continuously pressed to enter the installation groove, achieving the effect of docking and attaching.

[0026] In this embodiment, as shown in Figure 2 、 Figure 3 and Figure 4 , the pressure conversion assembly includes an installation groove formed in the inside of the fixed seat 5 on one side of the docking groove 7, the installation groove is a circular groove, a bottom disc 9 is rotatably connected inside the installation groove, second springs are installed at the top of both ends of the bottom disc 9, a docking disc 10 is installed at the top of the bottom disc 9, a positioning block 11 is installed at the top of the docking disc 10, a positioning groove is formed at the bottom end of the clamping block 8 and is clamped with the positioning block 11, the docking disc 10 is slidingly connected with the inside of the installation groove, the abutting assembly includes abutting grooves 12 formed in the inside of the fixed seat 5 on both ends of the inner wall of the installation groove, third springs are installed inside the abutting grooves 12, one end of the third spring is installed with an abutting block 13, the abutting block 13 is clamped with the abutting groove 12, the side section of the clamping block 8 is U-shaped, the bottom ends of the opposite faces of the two abutting blocks 13 are formed with clamping grooves clamped with the protruding ends on both sides of the clamping block 8, then the pull ring 14 is buckled and continuously pressed downward to stretch the first spring by driving the rotating disc 6, the two ends of the clamping block 8 contact the abutting blocks 13 on both sides, the first slope 15 and the second slope 15 contact and press each other, the abutting block 13 is compressed to drive the third spring to retract, after the clamping block 8 continues to move downward and is offset from the abutting block 13, the abutting block 13 is reset by the rebound of the third spring, at this time the positioning block 11 is clamped into the positioning groove, the docking disc 10 compresses the second spring to retract, then it is pulled back for a distance, the protruding ends on both sides of the clamping block 8 are also clamped into the inside of the fixed groove, the abutting block 13 and the docking disc 10 tightly abut the clamping block 8, locking the position of the clamping plate 4.

[0027] In this embodiment, as shown in Figure 2 、 Figure 3 and Figure 4As shown, the two ends of the clamping block 8 are provided with first inclined surfaces 15, and the two groups of abutting blocks 13 are provided with second inclined surfaces close to one end of the clamping block 8, the first inclined surfaces 15 and the second inclined surfaces are matched with each other, the end of the movable rod extending to the outside of the fixed seat 5 is rotationally connected with a pull ring 14, further, when it is necessary to replace the clamping plate 4 of different sizes again, the movable rod can be pressed again to drive the clamping block 8, the butt joint disc 10 and the first spring to move downward by a distance, so that the clamping block 8 is away from the inner side of the fixed groove, and then the bottom disc 9 is rotated, the abutting blocks 13 are staggered, and then pulled and moved, the clamping block 8 is moved to the inner side of the butt joint groove 7, and then rotated to the longitudinal direction, and then pulled back after the port is matched, the clamping block 8 enters the retraction groove, at this time, one end of the clamping plate 4 can be pulled away from the fixed seat 5, so that the clamping plate 4 can be replaced according to the shape of the workpiece of different batches, and the practicability and working efficiency of the device are further improved.

[0028] In this embodiment, as shown in Figure 1 and Figure 2 The movable positioning assembly includes an adjusting groove provided on the top of the placing seat 3, the inner side of the adjusting groove is rotationally connected with a first threaded rod 16, the threads of the two ends of the outer side of the first threaded rod 16 are opposite, the two ends of the outer side of the first threaded rod 16 are threadedly connected with adjusting plates 17, the adjusting plates 17 are slidingly connected with the adjusting groove, one side of the placing seat 3 is provided with a second motor 18, the driving end of the second motor 18 extends to the inner side of the adjusting groove and is fixedly connected with one end of the first threaded rod 16, one side of the adjusting plate 17 is fixedly connected with one side of the fixed seat 5, further, the first motor is started to drive the rotating seat 2 and the clamped workpiece to rotate, the second motor 18 is started to drive the first threaded rod 16 to rotate, so that the two groups of adjusting plates 17 slide in the adjusting groove, and the adjusting plates 17 drive the clamping plate 4 on the fixed seat 5 to move oppositely and clamp and position the workpiece.

[0029] The implementation principle of the tray exchange device of the vertical machining center embodiment of the application is as follows: the corresponding clamping plate 4 is attached to the fixed seat 5, the plug plate 19 is inserted into the inner side of the plug groove, the pull ring 14 is buckled, the movable rod is twisted to make the clamping block 8 rotate to the longitudinal direction, the pull ring 14 is pressed to drive the clamping block 8 to rotate to the transverse direction after the clamping block 8 is driven into the inner side of the butt joint groove 7, the clamping block 8 is continuously pressed into the mounting groove, the butt joint effect is achieved, the pull ring 14 is buckled and continuously pressed downward to extrude the movable rod, the rotating disc 6 is stretched to drive the first spring, the two ends of the clamping block 8 contact the abutting blocks 13 on the two sides, the first slope surface 15 and the second slope surface are extruded and contacted, the abutting blocks 13 are pressed to drive the third spring to retract, after the clamping block 8 is continuously moved to disengage the abutting blocks 13, the abutting blocks 13 are reset by the third spring, at this time, the positioning block 11 is clamped into the positioning groove, the second spring is retracted by the butt joint disc 10, then the clamping block 8 is pulled back by a distance, the protruding ends on the two sides of the clamping block 8 are also clamped into the inner side of the fixed groove, the abutting blocks 13 and the butt joint disc 10 abut the clamping block 8, and the position of the clamping plate 4 is locked, when different sizes and models of clamping plates 4 need to be replaced, the movable rod is pressed again to drive the clamping block 8, the butt joint disc 10 and the first spring to move downward by a distance, the clamping block 8 is away from the inner side of the fixed groove, and the bottom disc 9 is rotated to disengage the abutting blocks 13 and then pulled and moved, the clamping block 8 is moved to the inner side of the butt joint groove 7 and then rotated to the longitudinal direction, the port is aligned, and then pulled back, the clamping block 8 is clamped into the retraction groove, at this time, one end of the clamping plate 4 is pulled away from the fixed seat 5, so that the clamping plate 4 is replaced according to the shapes of workpieces in different batches, and the practicability and working efficiency of the device are further improved, the first motor is started to drive the rotating seat 2 and the clamped workpiece to rotate, and the second motor 18 is started to drive the first threaded rod 16 to rotate, so that the two groups of adjusting plates 17 slide in the adjusting grooves, the adjusting plates 17 drive the clamping plate 4 on the fixed seat 5 to move in opposite directions, and the workpiece is clamped and positioned.

[0030] The control mode of the utility model is controlled through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the power supply also belongs to the public knowledge in the field, and the utility model is used to protect the mechanical device, so the control mode and the circuit connection of the utility model will not be explained in detail.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A vertical machining center pallet exchange device, comprising a base (1), characterized in that: The base (1) is internally embedded with a first motor. The drive end of the first motor is equipped with a rotating seat (2). Both ends of the top of the rotating seat (2) are equipped with a placement seat (3). The placement seat (3) is equipped with a movable docking mechanism. The movable docking mechanism includes two sets of clamping plates (4), multiple sets of fixed seats (5), a movable positioning component, a docking component, a pressing component, and an abutting component. One side of the clamping plate (4) is equipped with an insert plate (19). One side of the fixed seat (5) is provided with a slot. The slot and the insert plate (19) are slidably connected. The fixed seat (5) is installed on the movable positioning component. The movable positioning component is used to drive the clamping plate (4) to clamp the workpiece. The docking component is used to dock the clamping plate (4) onto the placement seat (3). The pressing component is used to cooperate with the docking component to unlock the position of the clamping plate (4). The abutting component is used to cooperate with the pressing component to lock the position of the clamping plate (4).

2. The pallet exchange device for a vertical machining center according to claim 1, characterized in that: The docking assembly includes a movable rod slidably connected inside the fixed base (5). A rotating groove is provided inside the fixed base (5) on the outside of the movable rod. A rotating disk (6) is slidably connected inside the rotating groove. The rotating disk (6) is rotatably connected to the movable rod. A first spring is installed between the two ends of one side of the rotating disk (6) and the inner wall of the rotating groove. Multiple sets of docking grooves (7) extending to one side of the fixed base (5) are arranged inside the insert plate (19).

3. A pallet exchange device for a vertical machining center according to claim 2, characterized in that: The fixed base (5) has a retraction groove on the side near the docking groove (7). A locking block (8) is installed at one end of the movable rod. The docking groove (7) is a cross groove. The docking groove (7) and the locking block (8) are slidably connected. The width of the locking block (8) in the longitudinal direction is the same as that of the movable rod. The movable rod is slidably connected to the center of the docking groove (7). The diameter of the movable rod is greater than the width of the longitudinal and transverse openings of the docking groove (7).

4. A pallet exchange device for a vertical machining center according to claim 3, characterized in that: The pressure-reducing assembly includes an installation groove located inside the fixed base (5) on one side of the docking groove (7). The installation groove is a circular groove. A chassis (9) is rotatably connected to the inner side of the installation groove. A second spring is installed at both ends of the top of the chassis (9). A docking plate (10) is installed at the top of the second spring. A positioning block (11) is installed at the top of the docking plate (10). A positioning groove is opened at the bottom of the locking block (8) to engage with the positioning block (11). The docking plate (10) is slidably connected to the inner side of the installation groove.

5. A pallet exchange device for a vertical machining center according to claim 4, characterized in that: The abutting assembly includes abutting grooves (12) located at both ends of the inner wall of the mounting groove inside the fixing base (5). A third spring is installed inside the abutting groove (12), and an abutting block (13) is installed at one end of the third spring. The abutting block (13) and the abutting groove (12) are engaged. The side cross section of the locking block (8) is U-shaped. The bottom ends of the opposite surfaces of the two sets of abutting blocks (13) are provided with locking grooves that engage with the protruding ends on both sides of the locking block (8).

6. A pallet exchange device for a vertical machining center according to claim 5, characterized in that: Both ends of the locking block (8) are provided with a first slope (15), and the two sets of abutting blocks (13) are provided with a second slope at the end near the locking block (8). The first slope (15) and the second slope are in contact with each other. The end of the movable rod extending to the outside of the fixed seat (5) is rotatably connected with a pull ring (14).

7. A pallet exchange device for a vertical machining center according to claim 6, characterized in that: The movable positioning component includes an adjustment groove on the top of the placement seat (3). A first threaded rod (16) is rotatably connected to the inner side of the adjustment groove. The threads at both ends of the outer side of the first threaded rod (16) are opposite. Both ends of the outer side of the first threaded rod (16) are threadedly connected to adjustment plates (17). The adjustment plates (17) are slidably connected to the adjustment groove. A second motor (18) is installed on one side of the placement seat (3). The drive end of the second motor (18) extends to the inner side of the adjustment groove and is fixedly connected to one end of the first threaded rod (16). One side of the adjustment plate (17) is fixedly connected to one side of the fixed seat (5).

Citation Information

Patent Citations

  • Tray exchange device of vertical machining center

    CN219094477U