Fixing mold for engineering plastic blank processing

Abstract

The utility model discloses a fixing die for engineering plastic blank processing. The fixing die comprises an assembling base, a clamping box is fixedly arranged on the upper side of the assembling base, a double-end locking screw is rotationally connected to the side of the clamping box, an outer hexagonal disc is fixedly connected to the left end of the double-end locking screw, and two evenly-distributed clamping holes are formed in the clamping box. The plastic blank clamping device effectively solves the problems that in the prior art, the plastic blank clamping efficiency is low, and the one-time clamping number is small.

Description

Technical Field

[0001] The utility model belongs to the technical field of fixed molds for processing engineering plastic blanks, and relates to a fixed mold for processing engineering plastic blanks. Background Art

[0002] Columnar plastic blanks are a common material in engineering and usually need to be fixed on a machine tool worktable for cutting. Chinese patent CN104227859B discloses a fixing device for a cylindrical silicon rod clamp, including a lower pressing block, and a guide column is provided on each of the four corners of the upper surface of the lower pressing block. The four guide columns are perpendicular to the upper surface of the lower pressing block, and the upper part of each guide column is provided with a thread; the fixing device also includes a lower module, an upper module, an upper pressing block, and four clamping nuts which are sequentially sleeved on the four guide columns from bottom to top; the lower surface of the upper module is provided with an upper arc groove matching the silicon rod, and the upper surface of the lower module is provided with a lower arc groove matching the silicon rod. The present invention is provided with an upper pressing block, a lower pressing block, an upper module and a lower module, which are convenient for disassembly and assembly. By replacing upper modules and lower modules of different specifications, cylinders of different diameters can be fixed, and the versatility is strong. The upper arc groove of the upper module and the lower arc groove of the lower module will not produce indentations when clamping silicon rods. However, the prior art has the problems of low clamping efficiency of plastic blanks and a small number of blanks that can be clamped at one time. Summary of the invention

[0003] In view of the above problems, the utility model proposes a fixed mold for processing engineering plastic blanks, which well solves the problems of low clamping efficiency and small number of plastic blanks clamped at one time in the prior art.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0005] A fixed mold for processing engineering plastic blanks comprises an assembly base, a clamping box is fixedly arranged on the upper side of the assembly base, a double-headed locking screw is rotatably connected to the clamping box side, an outer hexagonal disk is fixedly connected to the locking left end, the clamping box has two evenly distributed clamping holes, a placement groove is provided between adjacent clamping holes, clamping rods are threadedly connected to the left and right sides of the locking screw for clamping the blank inserted into the clamping hole; the clamping rod is slidably connected to the placement groove.

[0006] Preferably, the front and rear sides of the clamping rod are both provided with tightening holes, and the diameter of the tightening holes is the same as that of the clamping holes.

[0007] Preferably, a limiting plate is provided on the lower side of the clamping rod, a positioning groove is provided on the lower side of the placement groove, and the limiting plate is slidably connected to the positioning groove.

[0008] Preferably, the threads of the double-start locking screw have opposite rotation directions.

[0009] Preferably, a sleeve disc is fixedly connected to the right end of the double-head locking screw, and the sleeve disc is rotatably connected to the clamping box.

[0010] Preferably, a buffer spring is fixedly connected to the inner sides of the two clamping rods, and the buffer spring is sleeved on the outer side of the double-head locking screw.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. By placing two cylindrical blanks into two clamping holes, using an inner hexagonal wrench to rotate the outer hexagonal disk, the outer hexagonal disk drives the double-headed locking screw to rotate, thereby driving the two clamping rods to move toward the adjacent clamping holes at the same time, so that the clamping rods can quickly clamp the blanks in the clamping holes.

[0013] 2. The distance between the two clamping rods can be adjusted by using the double-ended locking screws with opposite threads, so that the cylindrical blank in the clamping hole can be quickly fixed by the two clamping rods. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model.

[0015] Figure 2 It is a partial cross-sectional view of the clamping box of the present utility model.

[0016] Figure 3 It is a schematic diagram of the limit plate structure of the utility model.

[0017] Figure 4 It is a schematic diagram of the position of the buffer spring of the utility model.

[0018] In the figure: 1. Clamping box; 2. Clamping hole; 3. External hexagonal disk; 4. Assembly base; 5. Clamping rod; 6. Tightening hole; 7. Double-head locking screw; 8. Placement slot; 9. Positioning slot; 10. Sleeve disk; 11. Limit plate; 12. Buffer spring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4The utility model provides a technical solution: a fixed mold for processing engineering plastic blanks, including an assembly base 4, a clamping box 1 is fixedly arranged on the upper side of the assembly base 4, a double-headed locking screw 7 is rotatably connected to one side of the clamping box 1, and an outer hexagonal disk 3 is fixedly connected to the left end of the locking, the clamping box 1 has two evenly distributed clamping holes 2, and a placement groove 8 is opened between adjacent clamping holes 2. Clamping rods 5 are threadedly connected to the left and right sides of the locking screw for clamping the blank inserted into the clamping hole 2; the clamping rod 5 is slidably connected to the placement groove 8.

[0021] First, after fixing the assembly base plate to the position of the workbench, place the two cylindrical blanks into the two clamping holes 2, and use the inner hexagonal wrench to rotate the outer hexagonal disk 3. The outer hexagonal disk 3 drives the double-headed locking screw 7 to rotate, thereby driving the two clamping rods 5 to move toward the direction of the adjacent clamping holes 2 at the same time, so that the clamping rods 5 can quickly clamp the blanks in the clamping holes 2.

[0022] The front and rear sides of the clamping rod 5 are both provided with tightening holes 6 , and the diameter of the tightening hole 6 is the same as that of the clamping hole 2 .

[0023] The clamping rod 5 has a limit plate 11 at its lower side, the placement slot 8 has a positioning slot 9 at its lower side, and the limit plate 11 is slidably connected to the positioning slot 9 .

[0024] The sliding connection between the limiting plate 11 and the limiting groove facilitates the two clamping rods 5 to move simultaneously in the left and right directions of the placement groove 8 .

[0025] The threads of the double-ended locking screw 7 are in opposite directions.

[0026] The distance between the two clamping rods 5 can be adjusted conveniently by means of the double-headed locking screw 7 with opposite thread directions, thereby facilitating the rapid fixing of the cylindrical blank in the clamping hole 2 by means of the two clamping rods 5 .

[0027] The right end of the double-head locking screw 7 is fixedly connected with a sleeve disc 10, and the sleeve disc 10 is rotatably connected to the clamping box 1.

[0028] The sleeve 10 has a supporting function.

[0029] The inner sides of the two clamping rods 5 are fixedly connected with a buffer spring 12 , and the buffer spring 12 is sleeved on the outer side of the double-head locking screw 7 .

[0030] The buffer spring 12 is used to assist in controlling the distance between the two clamping plates.

[0031] When the utility model is in use, firstly, the assembly base 4 is fixed to the position of the workbench by bolts, and then the cylindrical blank is placed in the two clamping holes 2. By using an inner hexagonal wrench to rotate the outer hexagonal disk 3, the outer hexagonal disk 3 drives the double-headed locking screw 7 to rotate, thereby driving the two clamping rods 5 to move toward the direction of the adjacent clamping holes 2 at the same time, so that the clamping rods 5 can quickly clamp the blank in the clamping hole 2.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fixed mold for processing engineering plastic blanks, characterized in that: It includes an assembly base, a clamping box is fixedly arranged on the upper side of the assembly base, a double-headed locking screw is rotatably connected to the clamping box side, an outer hexagonal disk is fixedly connected to the locking left end, the clamping box has two evenly distributed clamping holes, a placement groove is provided between adjacent clamping holes, clamping rods are threadedly connected to the left and right sides of the locking screw, and are used to clamp the blank inserted into the clamping hole; the clamping rod is slidably connected to the placement groove.

2. The fixed mold for processing engineering plastic blanks according to claim 1, characterized in that: The front and rear sides of the clamping rod are both provided with tightening holes, and the diameter of the tightening holes is the same as that of the clamping holes.

3. The fixed mold for processing engineering plastic blanks according to claim 2, characterized in that: A limiting plate is provided at the lower side of the clamping rod, a positioning groove is provided at the lower side of the placement groove, and the limiting plate is slidably connected with the positioning groove.

4. The fixed mold for processing engineering plastic blanks according to claim 3, characterized in that: The threads of the double-start locking screw are in opposite directions.

5. The fixed mold for processing engineering plastic blanks according to claim 4, characterized in that: The right end of the double-head locking screw is fixedly connected with a sleeve disc, and the sleeve disc is rotatably connected with the clamping box.

6. The fixed mold for processing engineering plastic blanks according to claim 5, characterized in that: A buffer spring is fixedly connected to the inner sides of the two clamping rods, and the buffer spring is sleeved on the outer sides of the double-head locking screws.

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