CN219094111U - Welding fixture for manufacturing precise plastic mold - Google Patents

Abstract

The utility model relates to a welding fixture for manufacturing a precision plastic mold, which comprises a bottom bin, wherein a strip hole is formed in the top surface of the bottom bin, a supporting rod is connected in the strip hole in a sliding mode, a rotary bin is fixed at the top end of the supporting rod, a rotating rod is connected to the inner wall of the rotary bin in a rotating mode, a rotating mechanism is arranged in the rotary bin, a T-shaped plate is fixed on one side of the rotating rod, a clamping mechanism is arranged on one side of the T-shaped plate, and a driving assembly is arranged in the bottom bin. This welding jig is used in accurate plastic mould manufacturing, when using, through two fixture quick clamping two moulds that need weld together, convenient to use, easy operation, then rotate the bull stick through slewing mechanism, make the bull stick drive fixture upset to this welded angle between two moulds of adjusting, can adapt to the requirement to the angle when the mould welding of difference like this, then make two fixture relative movement dock through drive assembly, degree of automation is higher, convenient to use more.

Description

Welding fixture for manufacturing precise plastic mold

Technical Field

The utility model relates to the technical field of welding fixtures for manufacturing plastic molds, in particular to a welding fixture for manufacturing precise plastic molds.

Background

The precise plastic mould is a kind of combined mould for compression moulding, extrusion moulding, injection, blow moulding and low foaming moulding, and the coordinated change of mould male and female mould and auxiliary moulding system can be used for processing a series of plastic parts with different shapes and different sizes.

The plastic mold is generally in a customized shape, and a clamp is needed to fix the mold during processing such as welding, for example, chinese patent (publication No. CN 213410907U) discloses a welding clamp for mold manufacturing, which is firstly provided with a workbench, a through hole is arranged on the workbench, a clamp device comprising a clamping bolt, a clamping block, a fixing nut, a fixing screw and the like is arranged on the through hole, the installation of the clamp device is more free through the through hole on the workbench, and the clamping work can be completed by matching molds with different sizes and styles, however, the clamp has a little defect that the operation of continuously screwing the bolt, the nut and the screw is complicated during clamping, and the clamping operation is adjusted each time, so that a welding clamp for manufacturing the precise plastic mold is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a welding fixture for manufacturing a precise plastic mold, which has the advantages of being capable of automatically clamping and adjusting clamping according to different sizes and shapes, and solves the problems that the clamping adjustment operation is complicated and the use is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a welding jig is used in accurate plastic mould manufacturing, includes the end storehouse, two rectangular holes that are left and right sides and distribute have been seted up to the top surface of end storehouse, sliding connection has branch in rectangular hole, the top of branch is fixed with rotatory storehouse, rotate between the inner wall around the rotatory storehouse and be connected with the bull stick, be equipped with in the rotatory storehouse and be used for controlling the rotatory slewing mechanism of bull stick, two one side that the bull stick is relative all is fixed with the T template, two one side that the T template is relative all is equipped with the fixture that is used for the centre gripping, be equipped with the drive assembly who makes two branches remove in the end storehouse.

Clamping mechanism keeps away from the centre gripping storehouse of bull stick one side including fixing at T template, be fixed with four slide bars between the upper and lower inner wall in centre gripping storehouse, sliding connection has two splint that are distributed from top to bottom on the slide bar, the bull stick one side is kept away from to T template is fixed with electric putter, electric putter's the other end is fixed with the U template, two inclined holes that are distributed from top to bottom have all been seted up to both sides around the U template, both sides all are fixed with the quarter butt that one end runs through the inclined hole around the splint.

Further, the rectangular hole is used for limiting the support rod to do left and right linear movement in the interior of the rectangular hole, the shape of the two rotary bins is cuboid with hollow interior and missing opposite faces, the middle vertical line of the inclined hole inclines to one side far away from the electric push rod, the middle vertical line of the inclined hole inclines to one side close to the electric push rod, and the inclined holes are in a splayed shape.

Further, the shape of centre gripping storehouse is inside cavity and the cuboid that left and right sides face all lacks, four the slide bar is equallyd divide into two sets of and is left and right sides and distributes, and every two slide bars of group are the front and back and distribute, set up four guiding holes that supply four slide bars to run through respectively on the splint.

Further, the slewing mechanism includes the pivot of being connected with inner wall rotation around the rotatory storehouse, all be fixed with two transmission gears that are the front and back and distribute on the periphery wall of pivot and bull stick, in the pivot transmission gear meshes with on the bull stick transmission gear mutually, the rectangular hole has all been seted up to the front and back both sides of rotatory storehouse, two sliding connection has the gag lever post between the rectangular hole, the bottom surface of gag lever post is fixed with two and is the pinion rack that distributes around being and be located transmission gear top, the top surface rotation of gag lever post is connected with one end run through rotatory storehouse and rather than threaded connection's screw rod.

Further, the rectangular hole is used for limiting the limit rod to linearly move up and down in the limit rod, the toothed plate is meshed with the transmission gear, a threaded hole for threaded connection of a screw rod is formed in the inner top wall of the rotary bin, and a hand wheel is fixed at the front end of the rotary shaft.

Further, the drive assembly is including fixing the slide rail on the diapire in the end storehouse, the bottom mounting of branch has the slider with slide rail sliding connection, be fixed with the motor on the interior roof in end storehouse, be fixed with drive gear on the output shaft of motor, be fixed with the rack on the periphery wall of branch, the rack meshes with drive gear.

Further, the left side rack is fixed at the front side of the left side branch, the right side rack is fixed at the rear side of the right side branch, the left side rack is meshed with the front side of the driving gear, and the right side rack is meshed with the rear side of the driving gear.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this welding jig is used in accurate plastic mould manufacturing, when using, through two fixture quick clamping two moulds that need weld together, convenient to use, easy operation, then rotate the bull stick through slewing mechanism, make the bull stick drive fixture upset to this welded angle between two moulds of adjusting, can adapt to the requirement to the angle when the mould welding of difference like this, then make two fixture relative movement dock through drive assembly, degree of automation is higher, convenient to use more.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a clamping mechanism according to the present utility model;

FIG. 3 is a top view of the U-shaped plate of the present utility model;

FIG. 4 is a top view of the rotary mechanism of the present utility model;

fig. 5 is an interior elevation view of the rotary bin of the present utility model.

In the figure: 1 bottom bin, 2 strip holes, 3 support rods, 4 rotary bins, 5 rotating rods, 6 rotating mechanisms, 601 rotating shafts, 602 transmission gears, 603 rectangular holes, 604 limit rods, 605 toothed plates, 606 screws, 7T plates, 8 clamping mechanisms, 801 clamping bins, 802 sliding rods, 803 clamping plates, 804 electric push rods, 805U plates, 806 inclined holes, 807 short rods, 9 driving components, 901 sliding rails, 902 sliding blocks, 903 motors, 904 driving gears and 905 racks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a welding fixture for manufacturing a precision plastic mold in this embodiment includes a bottom bin 1, two elongated holes 2 distributed left and right are provided on the top surface of the bottom bin 1, and a supporting rod 3 is slidably connected in the elongated holes 2, so that the supporting rod 3 can move left and right in the elongated holes 2, a rotating bin 4 is fixed at the top end of the supporting rod 3, a rotating rod 5 is rotatably connected between the front and rear inner walls of the rotating bin 4, a rotating mechanism 6 for controlling the rotating rod 5 to rotate is provided in the rotating bin 4, the rotating rod 5 can be rotated and fixed by the rotating mechanism 6, T-shaped plates 7 are fixed on opposite sides of the two rotating rods 5, a clamping mechanism 8 for clamping is provided on opposite sides of the two T-shaped plates 7, a driving component 9 for moving the two supporting rods 3 is provided in the bottom bin 1, the two clamping mechanisms 8 are rapidly clamped, the operation is simple, and then the two clamping mechanisms 8 are relatively moved to butt joint by the driving component 9, so that the degree of automation is higher, and the use is more convenient.

The fixture 8 is including fixing the centre gripping storehouse 801 that keeps away from bull stick 5 one side at T template 7, be fixed with four slide bars 802 between the upper and lower inner wall in centre gripping storehouse 801, sliding connection has two clamp plates 803 that are distributed from top to bottom on the slide bar 802, like this, slide through clamp plates 803 in slide bars 802 and go on centre gripping from top to bottom, T template 7 keeps away from bull stick 5 one side and is fixed with electric putter 804, electric putter 804's the other end is fixed with U template 805, start electric putter 804 can promote U template 805 horizontal migration, two inclined holes 806 that are distributed from top to bottom have all been seted up to the front and back both sides of U template 805, the front and back both sides of clamp plate 803 all are fixed with the quarter link 807 that one end runs through inclined hole 806, when U template 805 horizontal migration, make quarter link 807 make up and reciprocate linear movement for slide bar 802 through inclined hole 806 on U template 805, drive two clamp plates 803 and reciprocate and carry out centre gripping, the operation is simple, the centre gripping is convenient.

Wherein, rectangular hole 2 is used for restricting branch 3 and is done left and right linear movement in its inside, can increase the stability of branch 3 when horizontal migration, and the shape of two rotatory warehouses 4 is the cuboid that inside cavity and opposite face were absent, and the well vertical line of upper inclined hole 806 inclines to the side that keeps away from electric putter 804, and the well vertical line of lower inclined hole 806 inclines to the side that is close to electric putter 804, and two inclined holes 806 are "eight" font, like this when U template 805 moves about, can make the quarter butt 807 do upper and lower linear movement in its inside for slide bar 802 to this drives splint 803 and reciprocates and carry out the centre gripping.

Meanwhile, the clamping bin 801 is in a cuboid shape with hollow inside and missing left and right side surfaces, four sliding rods 802 are equally divided into two groups and distributed left and right, each group of two sliding rods 802 are distributed front and back, four guide holes for the four sliding rods 802 to penetrate through are formed in the clamping plate 803, and the clamping plate 803 is beneficial to moving up and down and guaranteeing stability of the clamping plate 803.

Referring to fig. 4-5, in this embodiment, the rotating mechanism 6 includes a rotating shaft 601 rotatably connected to front and rear inner walls of the rotating bin 4, two transmission gears 602 distributed front and rear are fixed on the outer peripheral walls of the rotating shaft 601 and the rotating rod 5, the transmission gears 602 on the rotating shaft 601 are meshed with the transmission gears 602 on the rotating rod 5, the rotating shaft 601 can drive the rotating rod 5 to rotate, the rotating rod 5 drives the clamping mechanism 8 to turn over to complete adjustment, rectangular holes 603 are formed on front and rear sides of the rotating bin 4, a limiting rod 604 is slidably connected between the two rectangular holes 603, two toothed plates 605 distributed front and rear and located above the transmission gears 602 are fixed on the bottom surface of the limiting rod 604, when the toothed plates 605 are meshed with the transmission gears 602, the toothed plates 605 can be prevented from rotating any more, so as to fix the rotating rod 5, and the top surface of the limiting rod 604 is rotatably connected with a screw 606 with one end penetrating through the rotating bin 4 and being in threaded connection with the toothed plates 605, so that the toothed plates 605 can be driven to move up and down by the screw 606.

The rectangular hole 603 is used for limiting the limiting rod 604 to move up and down linearly in the limiting rod, so that the limiting rod 604 can be prevented from rotating along with the rotating screw 606, the toothed plate 605 cannot be meshed with the transmission gear 602, the toothed plate 605 is meshed with the transmission gear 602, a threaded hole for the threaded connection of the screw 606 is formed in the inner top wall of the rotary bin 4, and a hand wheel is fixed at the front end of the rotary shaft 601.

Referring to fig. 1, in this embodiment, the driving assembly 9 includes a sliding rail 901 fixed on the inner bottom wall of the bottom bin 1, a sliding block 902 slidably connected with the sliding rail 901 is fixed at the bottom end of the supporting rod 3, stability of the supporting rod 3 in the horizontal moving process can be increased through the sliding rail 901 and the sliding block 902, a motor 903 is fixed on the inner top wall of the bottom bin 1, a driving gear 904 is fixed on an output shaft of the motor 903, a rack 905 is fixed on the outer peripheral wall of the supporting rod 3, and the rack 905 is meshed with the driving gear 904.

The left rack 905 is fixed on the front side of the left strut 3, the right rack 905 is fixed on the rear side of the right strut 3, the left rack 905 is meshed with the front side of the driving gear 904, the right rack 905 is meshed with the rear side of the driving gear 904, the driving motor 903 drives the driving gear 904 to rotate, the two racks 905 are meshed with the front side and the rear side of the driving gear 904 respectively, when the driving gear 904 rotates, the two racks 905 relatively move, the strut 3 is driven to slide on the sliding rail 901 through the racks 905, and therefore the distance between the two clamping mechanisms 8 is shortened, and the two clamped dies are butted.

The working principle of the embodiment is as follows:

in use, the die is placed between the two clamping plates 803, the electric push rod 804 is started, the electric push rod 804 pushes the U-shaped plate 805 to move horizontally, the short rod 807 moves linearly up and down relative to the slide rod 802 through the inclined hole 806 on the U-shaped plate 805, and the two clamping plates 803 are driven to move up and down through the short rod 807 to clamp the die.

When the clamping angle of the die needs to be adjusted, the screw 606 is rotated, so that the screw 606 drives the toothed plate 605 to move upwards to be separated from the transmission gear 602, the rotating shaft 601 is rotated, the rotating shaft 601 drives the rotating rod 5 to rotate through the transmission gear 602, the rotating rod 5 drives the clamping mechanism 8 to overturn for adjustment, and after adjustment, the screw 606 is reversely screwed, so that the toothed plate 605 is meshed with the transmission gear 602 for fixing.

After the adjustment, the motor 903 is driven, the motor 903 drives the driving gear 904 to rotate, two racks 905 are respectively meshed with the front side and the rear side of the driving gear 904, when the driving gear 904 rotates, the two racks 905 relatively move, and the supporting rod 3 is driven by the racks 905 to slide on the sliding rail 901, so that the distance between the two clamping mechanisms 8 is shortened, and the two clamped dies are butted.

The control mode of the utility model is controlled by the controller, the control circuit of the controller can be realized by simple programming by a person skilled in the art, the supply of power also belongs to common knowledge in the art, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and circuit connection in detail.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Welding jig for precision plastic mould manufacturing, including end storehouse (1), its characterized in that: two strip holes (2) which are distributed left and right are formed in the top surface of the bottom bin (1), a supporting rod (3) is connected in the strip holes (2) in a sliding mode, a rotary bin (4) is fixed at the top end of the supporting rod (3), a rotating rod (5) is connected between the front inner wall and the rear inner wall of the rotary bin (4) in a rotating mode, a rotating mechanism (6) used for controlling the rotating rod (5) to rotate is arranged in the rotary bin (4), T-shaped plates (7) are fixed on opposite sides of the two rotating rods (5), clamping mechanisms (8) used for clamping are arranged on opposite sides of the two T-shaped plates (7), and a driving assembly (9) used for enabling the two supporting rods (3) to move is arranged in the bottom bin (1);

clamping mechanism (8) are including fixing clamping bin (801) of keeping away from bull stick (5) one side at T template (7), be fixed with four slide bars (802) between the upper and lower inner wall in clamping bin (801), sliding connection has splint (803) that distribute about being on slide bar (802), bull stick (5) one side is kept away from to T template (7) is fixed with electric putter (804), the other end of electric putter (804) is fixed with U template (805), two inclined holes (806) that distribute about being have all been seted up to the front and back both sides of U template (805), both sides all are fixed with quarter (807) that one end runs through inclined hole (806) around splint (803).

2. The welding jig for manufacturing a precision plastic mold according to claim 1, wherein: rectangular hole (2) are used for restricting branch (3) and do left and right sides linear movement in its inside, two rotatory storehouse (4) shape is inside cavity and opposite face missing cuboid, upside the well vertical line of inclined hole (806) inclines to the one side that keeps away from electric putter (804), and the lower side inclined hole the well vertical line of inclined hole (806) inclines to the one side that is close to electric putter (804), two inclined hole (806) are "eight" font.

3. The welding jig for manufacturing a precision plastic mold according to claim 1, wherein: the shape of centre gripping storehouse (801) is inside cavity and the cuboid that both sides face all lacks about, four slide bar (802) divide equally into two sets of and are left and right sides and distribute, and every two slide bar (802) of group are the front and back and distribute, set up four guiding holes that supply four slide bars (802) to run through respectively on splint (803).

4. The welding jig for manufacturing a precision plastic mold according to claim 1, wherein: the rotating mechanism (6) comprises a rotating shaft (601) which is rotationally connected with the front and rear inner walls of the rotating bin (4), two transmission gears (602) which are distributed front and rear are fixed on the peripheral walls of the rotating shaft (601) and the rotating rod (5), the transmission gears (602) are meshed with the transmission gears (602) on the rotating shaft (601), rectangular holes (603) are formed in the front side and the rear side of the rotating bin (4), limiting rods (604) are connected between the rectangular holes (603) in a sliding mode, two toothed plates (605) which are distributed front and rear and are located above the transmission gears (602) are fixed on the bottom face of the limiting rods (604), and one end of each top face of each limiting rod (604) is rotationally connected with a screw rod (606) which penetrates through the rotating bin (4) and is in threaded connection with the rotating bin.

5. The welding jig for manufacturing a precision plastic mold according to claim 4, wherein: rectangular hole (603) are used for limiting stop lever (604) and do the linear motion about its inside, pinion rack (605) mesh with drive gear (602), offer the screw hole that supplies screw rod (606) threaded connection on the interior roof of rotatory storehouse (4), the front end of pivot (601) is fixed with the hand wheel.

6. The welding jig for manufacturing a precision plastic mold according to claim 1, wherein: the driving assembly (9) comprises a sliding rail (901) fixed on the inner bottom wall of the bottom bin (1), a sliding block (902) which is in sliding connection with the sliding rail (901) is fixed at the bottom end of the supporting rod (3), a motor (903) is fixed on the inner top wall of the bottom bin (1), a driving gear (904) is fixed on an output shaft of the motor (903), a rack (905) is fixed on the outer peripheral wall of the supporting rod (3), and the rack (905) is meshed with the driving gear (904).

7. The welding jig for manufacturing a precision plastic mold according to claim 6, wherein: the left side rack (905) is fixed on the front side of the left side supporting rod (3), the right side rack (905) is fixed on the rear side of the right side supporting rod (3), the left side rack (905) is meshed with the front side of the driving gear (904), and the right side rack (905) is meshed with the rear side of the driving gear (904).

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