Blanking clamping device for injection molding machine

Abstract

The utility model discloses a blanking clamping device for an injection molding machine, which comprises a mounting rack, three wheel shafts are rotatably mounted on one side of the mounting rack, the three wheel shafts are arranged in an equilateral triangle shape, turntables are fixedly mounted on the wheel shafts, the turntables and the mounting rack are arranged at intervals, rotating arms are fixedly mounted on the turntables, and the rotating arms are fixedly mounted on the mounting rack. The outer end of the rotating arm is located on the outer side of the rotating disc and provided with a clamping block through a connecting structure. And a rotating structure for driving the three wheel shafts to synchronously rotate is mounted on the mounting frame. The discharging clamping device for the injection molding machine has the advantages that the clamping diameter can be changed, disassembly and assembly are not needed, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine technical field especially is related to a discharging clamping device for injection molding machine. BACKGROUND

[0002] With the continuous development of society, the continuous progress of science, the production technology of injection molding part is more and more advanced, and the injection molding part is the part formed by injection molding, but the injection molding part needs to be taken out from the mold after completion, and the traditional taking part mode is taking part by manual, but manual is prone to fatigue after long time work, which affects the taking part effect.

[0003] At present, the clamping device is driven by the mechanical arm to clamp the columnar workpiece, but the clamping device can only be used for clamping columnar workpieces with single diameter, and when clamping columnar workpieces with different diameters, the corresponding clamping plate needs to be replaced, so the clamping device needs to be disassembled, which is time-consuming and laborious and inconvenient to use. SUMMARY

[0004] In view of the above technical problems of the prior art, the technical problem to be solved by the present application is to provide a discharging clamping device for injection molding machine which can change the clamping diameter without disassembly and is convenient to use.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0006] A discharging clamping device for injection molding machine, comprising a mounting frame, three wheel shafts are rotatably installed on one side of the mounting frame, the three wheel shafts are arranged in an equilateral triangle, a turntable is fixedly installed on each wheel shaft, the turntable is spaced apart from the mounting frame, a rotating arm is fixedly installed on the turntable, the outer end of the rotating arm is located outside the turntable and is installed with a clamping block through a connecting structure; a rotating structure for driving the three wheel shafts to rotate synchronously is installed on the mounting frame.

[0007] In this way, the mounting frame is connected with the mechanical arm, the mechanical arm drives the mounting frame to move, when clamping the columnar workpiece, the three turntables are driven to rotate synchronously by the rotating structure, and then the three rotating arms are driven to rotate synchronously, and the clamping blocks at the outer ends rotate inward, so that the columnar workpiece is clamped by the three clamping blocks.

[0008] The rotating structure comprises a servo motor fixedly installed on the mounting frame, the output shaft of the servo motor penetrates through the mounting frame and is fixedly installed with a driving gear, a driven gear meshing with the driving gear is fixedly installed on each wheel shaft, and the driven gear is located between the turntable and the mounting frame.

[0009] The turntable is provided with a mounting groove, and one end of the rotating arm is located in the mounting groove and the rotating arm is fixedly connected with the turntable through bolts.

[0010] The connecting structure comprises an insertion block, the end of the rotating arm is provided with an insertion hole, the insertion block is located in the through hole, the insertion block and the rotating arm are provided with through holes opposite to each other, a nut is welded to one end of the rotating arm opposite to the through hole, a bolt passes through the through hole and is connected with the nut, a sleeve is fixed to the outer end of the insertion block, the end of the clamping block is provided with a clamping shaft, and the clamping shaft is connected with the sleeve through a bearing.

[0011] The clamping block is provided in a triangular pyramid shape, and each surface of the clamping block is concave to form an arc surface.

[0012] The device further comprises a cover shell, the cover shell is fixedly installed on the mounting frame through bolts, and the cover shell is provided with a clearance hole opposite to the rotating disc.

[0013] The middle part of the cover shell is fixedly installed with a limiting block, the outer end of the limiting block is fixedly installed with a limiting disc, and the distance between the limiting disc and the cover shell is greater than the thickness of the rotating arm.

[0014] In summary, the feeding clamping device for the injection molding machine has the advantages of being capable of changing the clamping diameter, without disassembly and assembly, and being convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the feeding clamping device for the injection molding machine.

[0016] Figure 2 It is a schematic diagram in a clamping state. Figure 1

[0017] Figure 3 It is a schematic diagram in another orientation. Figure 2

[0018] Figure 4 It is a schematic diagram without the cover shell. Figure 1

[0019] Figure 5 It is a schematic diagram without the columnar workpiece. Figure 2

[0020] Figure 6 It is a split view of the connecting structure.

[0021] Figure 7 It is a schematic diagram of the driving gear and the driven gear. DETAILED DESCRIPTION

[0022] ​​​​The utility model makes further detailed description below combining with the drawings. In the description of the utility model, it is understood that the orientation words such as " upper, lower " and " top, bottom " and so on indicated orientation or position relation is usually based on the orientation or position relation shown in the drawing, just for the convenience of describing the utility model and simplifying the description, under the condition of not making opposite statement, these orientation words do not indicate and imply the device or element must have specific orientation or with specific orientation construction and operation, therefore can not be understood as the restriction of the protection scope of the utility model;The orientation words " inner, outer " refer to the inner and outer of the contour of each component itself.

[0023] As Figures 1-7 The utility model discloses a blanking clamping device for injection molding machine, including the mount 1, one side of the mount is rotatably installed with three wheel shafts 2, and three wheel shafts are arranged in equilateral triangle, all are fixedly installed with carousel 3 on the wheel shaft, and the carousel is spaced apart with the mount, and carousel fixedly installs the swing arm 4 on, and the outer end of swing arm is located the outside of carousel and is installed with the clamping block 5 through the connecting structure, and the mount is installed with the rotation structure for driving three wheel shafts synchronous rotation.

[0024] In this way, the mount is connected with the mechanical arm, the mechanical arm drives the mount to move, when clamping the columnar workpiece 6, three carousels are driven to rotate synchronously through the rotation structure, and then three swing arms are driven to rotate synchronously, and the clamping block at the outer end rotates inward, and the columnar workpiece is clamped through three clamping blocks.

[0025] When implementing, the rotation structure includes a servo motor 7 fixedly installed on the mount, the output shaft of the servo motor penetrates through the mount and is fixedly installed with a driving gear 8, a driven gear 9 engaged with the driving gear is fixedly installed on the wheel shaft, and the driven gear is located between the carousel and the mount. The servo motor drives the driving gear to rotate, and then drives three driven gears and the carousel to rotate synchronously.

[0026] When implementing, the carousel is provided with a mounting slot, and one end of the swing arm is located in the mounting slot and the swing arm is fixedly connected with the carousel through bolts. It is convenient to install.

[0027] When implementing, the connecting structure includes an insertion block 10, the end of the swing arm is provided with an insertion hole, the insertion block is located in the perforation, the insertion block and the swing arm are provided with a perforation opposite, one end of the swing arm is welded with a nut 11 opposite the perforation, a bolt 12 penetrates through the perforation and is connected with the nut, the outer end of the insertion block is fixedly provided with a sleeve 13, the clamping block end is provided with a clamping shaft, and the clamping shaft is connected with the sleeve through a bearing. The insertion block is inserted into the insertion hole and is fixedly connected with the swing arm through the bolt and the nut, and is connected with the sleeve through the bearing, so that the clamping block rotates conveniently. In the process of clamping the columnar workpiece, the clamping block can rotate through the contact between the clamping block and the columnar workpiece, so that the clamping block can clamp the columnar workpiece.

[0028] In the implementation, the clamping block is in the shape of a triangular pyramid, and each surface of the clamping block is concave and forms an arc surface. The arc surface is designed to allow the clamping block to better clamp the cylindrical workpiece.

[0029] In the implementation, the housing 14 is fixedly installed on the mounting frame by bolts, and a clearance hole is formed in the housing 14 opposite the rotating disc. The gear structure is covered.

[0030] In the implementation, a limiting block is fixedly installed in the middle of the housing, a limiting disc 15 is fixedly installed at the outer end of the limiting block, and the distance between the limiting disc and the housing is greater than the thickness of the rotating arm. The limiting block abuts against the cylindrical workpiece to limit the movement of the cylindrical workpiece, thereby avoiding the collision between the cylindrical workpiece and the rotating arm.

[0031] Finally, it should be noted that those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Therefore, if these modifications and variations of the present application fall within the scope of the claims of the present application and the statistical number, the present application also intends to include these modifications and variations.

Claims

1. A material feeding clamping device for an injection molding machine, characterized in that, The utility model provides a kind of three-wheeled vehicle, including mounting frame (1), one side of the mounting frame is rotatably mounted with three wheel shafts (2), three wheel shafts are arranged in equilateral triangle, the wheel shaft is fixedly installed with rotating disc (3) on, the rotating disc is spaced apart with mounting frame, the rotating disc is fixedly installed with rotating arm (4) on, the outer end of the rotating arm is located the outside of rotating disc and is installed with clamping block (5) by connecting structure;Rotating structure for driving three wheel shafts synchronous rotation is installed on the mounting frame.

2. The stripper plate clamping device for an injection molding machine according to claim 1, wherein The rotating structure includes servo motor (7) fixedly installed on mounting frame, the output shaft of the servo motor passes through mounting frame and is fixedly installed with driving gear (8), the wheel shaft is fixedly installed with driven gear (9) engaged with driving gear on, and the driven gear is located between rotating disc and mounting frame.

3. The stripper clamp apparatus for an injection molding machine according to claim 2, wherein Mounting slot is opened on the rotating disc, and one end of the rotating arm is located in the mounting slot, and the rotating arm is fixedly connected with the rotating disc by bolt.

4. The stripper clamp apparatus for an injection molding machine according to claim 3, wherein The connecting structure includes plug block (10), the end of the rotating arm is provided with insertion hole, the plug block is located in the perforation, the plug block and the rotating arm are provided with perforation opposite, the end of the rotating arm is welded with nut (11) opposite the perforation, bolt (12) is connected with nut by passing through the perforation, the outer end of the plug block is fixed with sleeve (13), the clamping block end has clamping shaft, and the clamping shaft is connected with sleeve by bearing.

5. The stripper clamp apparatus for an injection molding machine according to claim 4, wherein The clamping block is arranged as three pyramids, and each surface of the clamping block is concave to form cambered surface.

6. The stripper clamp apparatus for an injection molding machine according to claim 5, wherein It also includes a cover (14), which is fixedly installed on the mounting frame by bolts, and a clearance hole is formed in the cover opposite the rotating disc.

7. The stripper clamp apparatus for an injection molding machine according to claim 6, wherein The middle part of the cover is fixedly installed with a limiting block, the outer end of the limiting block is fixedly installed with a limiting disc (15), and the distance between the limiting disc and the cover is greater than the thickness of the rotating arm.

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