CN215703560U - Accurate positioning device for injection mold - Google Patents

Abstract

The utility model relates to the technical field of injection mold positioning equipment, in particular to an accurate positioning device for an injection mold, which comprises a base, wherein a track is fixedly arranged at the top of the base, clamping grooves are formed in two sides in the track, a plurality of forming assemblies distributed at equal intervals are arranged at the top end of the base, each forming assembly comprises a U-shaped frame, a sliding block is fixedly arranged at the bottom of the U-shaped frame, the sliding block is arranged in the track in a sliding manner, clamping blocks are fixedly arranged on two sides of the sliding block and are respectively arranged in the clamping grooves in a sliding manner, two mutually matched side molds are arranged in the U-shaped frame, strip-shaped friction layers are arranged on two sides of the top of the base, blocks are fixedly arranged at the lower ends of two sides of the U-shaped frame, a screw rod is in threaded connection with the blocks, the lower end of the screw rod penetrates through the blocks, and a rotating handle is fixedly connected with the upper end of the screw rod; the U-shaped frame can slide along the track direction, so that the position of the forming assembly is accurately adjusted, and the position of the U-shaped frame is fixed by using the friction force between the friction block and the strip-shaped friction layer.

Description

Accurate positioning device for injection mold

Technical Field

The utility model relates to the technical field of injection mold positioning equipment, in particular to an accurate positioning device for an injection mold.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the material melted by heating is injected into a die cavity from high pressure, and a formed product is obtained after cooling and solidification. The existing injection mold is provided with a plurality of mold cavities and injects materials into the mold cavities through a high-pressure material injection nozzle, the high-pressure material injection nozzle moves along the arrangement direction of the mold cavities and injects the materials into the mold cavities automatically, however, after the mold cavities or the high-pressure material injection nozzle works for a long time, the positions of the mold cavities or the high-pressure material injection nozzle are slightly changed, the positions of the mold cavities or the high-pressure material injection nozzle are not matched due to the change of the positions of the mold cavities or the high-pressure material injection nozzle, and therefore the position of the injection mold is required to have a fine adjustment function, and the accurate positioning device for the injection mold is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defect that the position of an injection mold does not have a fine adjustment function in the prior art, and provides an accurate positioning device for the injection mold.

In order to achieve the purpose, the utility model adopts the following technical scheme:

designing an accurate positioning device for an injection mold, comprising a base, wherein a track is fixedly arranged at the top of the base, clamping grooves are respectively arranged at two sides in the track, a plurality of molding assemblies distributed at equal intervals are arranged at the top end of the base, each molding assembly comprises a U-shaped frame, a sliding block is fixedly arranged at the bottom of the U-shaped frame and is arranged in the track in a sliding manner, clamping blocks are respectively and fixedly arranged at two sides of the sliding block and are respectively arranged in the clamping grooves in a sliding manner, two mutually matched side molds are arranged in the U-shaped frame, supporting guide rods are respectively and fixedly arranged outside the side molds, one end of each supporting guide rod penetrates through the U-shaped frame, hydraulic cylinders are respectively and fixedly arranged at two sides in the U-shaped frame, the output ends of the hydraulic cylinders are respectively and fixedly connected to the side molds, strip-shaped friction layers are respectively arranged at two sides of the top of the base, blocks are respectively and fixedly arranged at the lower ends of two sides of the U-shaped frame, the screw rod is connected to the block in a threaded mode, the screw rod penetrates through the block, the lower end of the screw rod is fixedly connected with the friction block, and the upper end of the screw rod is fixedly connected with the rotating handle.

Preferably, the track is externally provided with scale marks which are uniformly distributed along the track.

Preferably, two ends of the top of the U-shaped frame are provided with auxiliary demoulding mechanisms.

Preferably, supplementary demoulding mechanism includes two risers, two riser fixed connection is at U-shaped frame top and symmetric distribution, two be equipped with the movable rod between the riser, the solid sphere of movable rod bottom portion fixedly connected with, fixed mounting has the pivot on the movable rod, the pivot runs through movable rod and pivot both ends rotatable installation respectively on the riser, the pivot runs through the riser, just pivot tip fixed mounting has the gear, is located one side fixed mounting has the motor on the riser, the output shaft fixed mounting of motor has incomplete gear, incomplete gear and gear engagement.

The utility model provides an accurate positioning device for an injection mold, which has the beneficial effects that: through setting up track, draw-in groove, U-shaped frame, slider, fixture block, bar frictional layer, piece, screw rod, clutch blocks, turning handle, scale mark and mutually supporting, the U-shaped frame can slide along the track direction to carry out the accurate regulation to the position of shaping subassembly, the cooperation is simultaneously rotated the turning handle and is driven the screw rod and rotate and move down, thereby makes the clutch blocks compress tightly the bar frictional layer, utilizes the frictional force between clutch blocks and the bar frictional layer to fix the position of U-shaped frame.

Drawings

Fig. 1 is a schematic structural diagram of an accurate positioning device for an injection mold according to the present invention.

Fig. 2 is an enlarged schematic view of a point a in fig. 1 of the precise positioning device for an injection mold according to the present invention.

Fig. 3 is an enlarged schematic view of a molding assembly of a precise positioning device for an injection mold according to the present invention.

In the figure: the device comprises a base 1, a rail 2, a clamping groove 3, a U-shaped frame 4, a sliding block 5, a clamping block 6, a side die 7, a supporting guide rod 8, a hydraulic cylinder 9, a strip-shaped friction layer 10, a block 11, a screw rod 12, a friction block 13, a rotating handle 14, a scale mark 15, a vertical plate 16, a movable rod 17, a solid ball 18, a rotating shaft 19, a gear 20, a motor 21 and an incomplete gear 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example 1:

referring to fig. 1-3, an accurate positioning device for an injection mold comprises a base 1, a track 2 is fixedly arranged on the top of the base 1, clamping grooves 3 are respectively arranged on two sides in the track 2, a plurality of molding assemblies distributed at equal intervals are arranged on the top of the base 1, each molding assembly comprises a U-shaped frame 4, a sliding block 5 is fixedly arranged on the bottom of each U-shaped frame 4, each sliding block 5 is slidably arranged in the track 2, clamping blocks 6 are respectively and fixedly arranged on two sides of each sliding block 5, each clamping block 6 is slidably arranged in each clamping groove 3, two mutually matched side molds 7 are arranged in each U-shaped frame 4, a supporting guide rod 8 is respectively and fixedly arranged outside each side mold 7, one end of each supporting guide rod 8 penetrates through each U-shaped frame 4, hydraulic cylinders 9 are respectively and fixedly arranged on two sides in each U-shaped frame 4, output ends of the hydraulic cylinders 9 are respectively and fixedly connected to the side molds 7, strip-shaped friction layers 10 are respectively arranged on two sides of the top of the base 1, blocks 11 are respectively and fixedly arranged at the lower ends of two sides of each U-shaped frame 4, the block 11 is connected with a screw 12 in a threaded manner, the screw 12 penetrates through the block 11, the lower end of the screw 12 is fixedly connected with a friction block 13, the upper end of the screw 12 is fixedly connected with a rotating handle 14, and scale marks 15 which are uniformly distributed along the track 2 are arranged outside the track 2. Through setting up track 2, draw-in groove 3, U-shaped frame 4, slider 5, fixture block 6, bar frictional layer 10, piece 11, screw rod 12, clutch blocks 13, turning handle 14, scale mark 15 mutually supports, U-shaped frame 4 can slide along 2 directions on the track, thereby carry out the accuracy control to the position of shaping subassembly, the cooperation is rotated turning handle 14 simultaneously and is driven screw rod 12 and rotate and downstream, thereby make clutch blocks 13 compress tightly bar frictional layer 10, utilize frictional force between clutch blocks 13 and the bar frictional layer 10 to fix the position of U-shaped frame 4.

Example 2:

referring to fig. 1-3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that two ends of the top of the U-shaped frame 4 are provided with auxiliary demolding mechanisms, each of the auxiliary demolding mechanisms includes two vertical plates 16, the two vertical plates 16 are fixedly connected to the top of the U-shaped frame 4 and symmetrically distributed, a movable rod 17 is disposed between the two vertical plates 16, a solid ball 18 is fixedly connected to the bottom end of the movable rod 17, a rotating shaft 19 is fixedly mounted on the movable rod 17, the rotating shaft 19 penetrates through the movable rod 17, two ends of the rotating shaft 19 are respectively rotatably mounted on the vertical plates 16, the rotating shaft 19 penetrates through the vertical plates 16, a gear 20 is fixedly mounted at the end of the rotating shaft 19, a motor 21 is fixedly mounted on the vertical plate 16 located on one side, an incomplete gear 22 is fixedly mounted at an output shaft of the motor 21, and the incomplete gear 22 is engaged with the gear 20. By arranging the auxiliary demoulding mechanism, the motor 21 works and drives the incomplete gear 22 to rotate, the incomplete gear 22 intermittently drives the gear 20 to rotate, so that the movable rod 17 is driven to rotate around the rotating shaft 19, the solid ball 18 rotates and can be knocked on the side die 7, when the solid ball 18 rotates to collide with the side die 7, the incomplete gear 22 is separated from the gear 20, the solid ball 18 continuously moves due to inertia and collides on the side die 7, then the solid ball moves reversely, then the incomplete gear 22 is meshed with the gear 20 again, so that the solid ball 18 can be driven to collide on the side die 7 again, and therefore the impact force is utilized to accelerate the formed part to be separated from the inner wall of the side die 7.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (4)

1. The utility model provides an accurate positioner for injection mold, includes base (1), its characterized in that, base (1) top fixed mounting has track (2), draw-in groove (3) have all been seted up to both sides in track (2), base (1) top is equipped with the shaping subassembly of a plurality of equidistance distributions, the shaping subassembly includes U-shaped frame (4), U-shaped frame (4) bottom fixed mounting has slider (5), slider (5) slide and set up in track (2), slider (5) both sides all fixed mounting has fixture block (6), fixture block (6) slide respectively and set up in draw-in groove (3), be equipped with two side forms (7) of mutually supporting in U-shaped frame (4), the outer equal fixed mounting of side form (7) has support guide bar (8), support guide bar (8) one end runs through U-shaped frame (4), the utility model discloses a die, including U-shaped frame (4), the equal fixed mounting in both sides has pneumatic cylinder (9), the output of pneumatic cylinder (9) is fixed connection respectively on side form (7), base (1) top both sides all are equipped with bar frictional layer (10), the equal fixed mounting of U-shaped frame (4) both sides lower extreme has piece (11), threaded connection has screw rod (12) on piece (11), piece (11) are run through in screw rod (12), screw rod (12) lower extreme fixedly connected with clutch blocks (13), screw rod (12) upper end fixedly connected with turning handle (14).

2. A precision positioning device for injection molds according to claim 1, characterized in that outside the rail (2) there are graduations (15) evenly distributed along the rail (2).

3. The precise positioning device for the injection mold according to claim 1, characterized in that the two ends of the top of the U-shaped frame (4) are provided with auxiliary demolding mechanisms.

4. The accurate positioning device for the injection mold according to claim 3, characterized in that, the auxiliary demolding mechanism comprises two vertical plates (16), two vertical plates (16) are fixedly connected at the top of the U-shaped frame (4) and are symmetrically distributed, two movable rods (17) are arranged between the vertical plates (16), solid balls (18) are fixedly connected at the bottom ends of the movable rods (17), a rotating shaft (19) is fixedly installed on the movable rods (17), the rotating shaft (19) penetrates through the movable rods (17) and the two ends of the rotating shaft (19) are respectively rotatably installed on the vertical plates (16), the rotating shaft (19) penetrates through the vertical plates (16), a gear (20) is fixedly installed at the end part of the rotating shaft (19), a motor (21) is fixedly installed on the vertical plate (16) at one side, and an incomplete gear (22) is fixedly installed at the output shaft end of the motor (21), the partial gear (22) meshes with the gear (20).

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