CN218748887U - Injection molding round hole deburring machine - Google Patents

Abstract

The utility model discloses an injection molding round hole burr-grinding machine belongs to burring equipment technical field, the on-line screen storage device comprises a base, locate the drift subassembly of base top and be used for driving the driving piece of drift subassembly activity along vertical movably, be equipped with the fixing base that is used for placing the injection molding on the base, the drift subassembly includes the drift that corresponds with the round hole and connects the heating member on the drift, the up end epirelief of fixing base is equipped with the limiting plate and concavely establishes the C font adaptation groove around the limiting plate, the bottom and the adaptation groove of horizontal support portion are mutually supported, the limiting plate is laminated mutually with the lateral wall that the round hole was kept away from to the longitudinal plate. The utility model discloses an injection molding round hole burr-grinding machine heats the drift through setting up heating member, has reduced the fragility of injection molding, has prevented the fracture, and simultaneously, the clamping is simple convenient, and is with low costs, and the burring is efficient.

Description

Injection molding round hole deburring machine

Technical Field

The utility model relates to a burring equipment technical field especially relates to an injection molding round hole burr-grinding machine.

Background

Fig. 1 shows a connecting piece of a tv set fixing base produced by the applicant, which is an injection-molded piece and is provided with a circular hole 101 for passing a cable. This connecting piece is being moulded plastics and is accomplishing the back, more or less can remain the burr in the round hole 101, in order to prevent that the burr from destroying the cable and promoting the quality of product, generally need get rid of the burr in the round hole 101. The burr of round hole 101 is beaten to traditional burring mode adoption punch, and concrete process does, fixes the injection molding on the fixing base earlier, then starts the cylinder, installs and pass round hole 101 after the drift that the cylinder stretches out the end moves down, strikes off the burr under the drift is to the squeezing action of hole wall, and above-mentioned mode is efficient, easy operation to become the leading mode of burring gradually. However, the applicant finds that in the using process, when the deburring machine is used in autumn and winter, due to the fact that weather is relatively cold, the brittleness of the injection molding part is increased, the injection molding part is prone to cracking in the deburring process, and products are accordingly scrapped. In addition, the injection molding part is fixed on the fixed seat through the compression action of the air cylinder, so that the air cylinder special for extruding and fixing the injection molding part is required to be arranged, the production cost is increased, and meanwhile, the clamping and deburring efficiency of the injection molding part is reduced.

In view of this, the applicant needs to improve the structure of the deburring device, and aims to improve the deburring efficiency while improving the product yield.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that: among the prior art, carry out burring through the punching pin to the round hole in the cold environment, cause the injection molding fracture easily, product quality can't guarantee, and the mode of clamping injection molding is economic inadequately simultaneously, and efficiency is also not high, consequently, the utility model provides an injection molding round hole burr-grinding machine that product quality is guaranteed, with low costs and work efficiency is high.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an injection molding round hole burr-grinding machine, the injection molding including the horizontal support portion that has the round hole and with the vertical supporting part that the horizontal support portion connects and has the longitudinal plate, injection molding round hole burr-grinding machine includes the base, locates along vertical movably the drift subassembly of base top and be used for the drive the driving piece of drift subassembly activity, be equipped with the fixing base that is used for placing the injection molding on the base, the drift subassembly includes the drift that corresponds with the round hole and connects heating member on the drift, protruding limiting plate and the concave establishment of being equipped with on the up end of fixing base C font adaptation groove around the limiting plate, the bottom of horizontal support portion with the adaptation groove is mutually supported, the limiting plate with the lateral wall that the round hole was kept away from to the longitudinal plate is laminated mutually.

Further, the drift is the cavity tubular structure that both ends link up, add heat-insulating material and insert to in the cavity of drift, the bottom fixed mounting of drift has the end cap, the end cap is sealed the lower extreme opening of drift.

Further, set up the intercommunication on the lateral wall of drift the recess of the inner chamber of drift, detachably install on the lateral wall of drift with recess complex extruded piece, the heating member is the heating rod, the extruded piece with the outer wall counterbalance of heating rod is held.

Further, the extrusion is of

The shape structure, the extruded piece includes interconnect's connecting portion and extrusion portion, the fixed lug that is equipped with in tank bottom of recess, connecting portion with lug detachably connects, extrusion portion with the outer wall counterbalance of heating rod is held.

Further, the drift is including linkage segment, punching press section and the direction section that from top to bottom sets gradually, the external diameter of direction section is less than the external diameter of linkage segment just is greater than the external diameter of direction section, the lower extreme of linkage segment be provided with the chamfer portion that the punching press section is connected.

Furthermore, the upper end face of the fixing seat is recessed downwards to form a limiting hole, and the limiting hole is matched with the guide section.

Further, the punch assembly further comprises a thermocouple mounted on an outer wall of the punch.

Furthermore, a plurality of guide posts are vertically and fixedly connected to the upper end face of the base, a supporting plate is fixedly connected to the upper ends of the guide posts, movable plates are arranged on the guide posts in a sliding mode along the longitudinal direction, the movable plates are fixedly connected with the punch, the driving piece is an air cylinder arranged on the supporting plate, and the extending end of the air cylinder is fixedly connected with the movable plates.

Further, injection molding round hole burr-grinding machine still includes the frame, the pedestal mounting is in the frame, the bottom of base is installed anti-skidding callus on the sole.

The beneficial effects of the utility model are that: the utility model provides an injection molding round hole burr-grinding machine, the heat that produces after the heating-up member circular telegram can heat the drift, has reduced the fragility of injection molding to the easy problem of ftractureing of injection molding has been avoided adding man-hour in cold weather. Simultaneously, set up limiting plate and C font adaptation groove on the fixing base, make the user place the injection molding when the fixing base alright inject the position of injection molding, easy operation, convenient, with low costs, and improved clamping and burring efficiency.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a perspective view of an injection molded part;

FIG. 2 is a perspective view from another perspective of the injection molded part shown in FIG. 1;

FIG. 3 is a perspective view of the injection molding round hole deburring machine of the present invention;

FIG. 4 is another perspective view (with the frame omitted) of the injection molded round hole deburring machine of FIG. 3;

FIG. 5 is a further perspective view of FIG. 4 (with injection molded parts omitted);

FIG. 6 is a perspective view of the anchor block of FIG. 5;

FIG. 7 is a perspective view of the punch assembly of FIG. 5;

FIG. 8 is an exploded view of the punch assembly shown in FIG. 7;

FIG. 9 is a front view of the punch assembly of FIG. 7;

figure 10 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of the punch assembly shown in figure 9.

In the figure: 1. the injection molding part comprises an injection molding part, 101, a round hole, 102, a horizontal supporting part, 103, a vertical supporting part, 104, a longitudinal plate, 10, a rack, 11, an anti-skidding foot pad, 20, a base, 21, a fixed seat, 210, a limiting hole, 211, a limiting plate, 212, a C-shaped adapting groove, 22, a guide column, 23, a supporting plate, 24, a movable plate, 30, a punch component, 31, a punch, 311, a connecting section, 3111, a chamfering part, 312, a punching section, 313, a guiding section, 301, a plug, 302, a groove, 3021, a bump, 32, a heating part, 33, an extrusion part, 331, a connecting part, 332, an extrusion part, 34, a thermocouple, 40 and a driving part.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

Please refer to fig. 1-5, the utility model provides an injection molding round hole deburring machine for the round hole 101 to injection molding 1 deburs, this injection molding round hole deburring machine includes frame 10, install base 20 in frame 10, locate the drift subassembly 30 of base 20 top and be used for driving the driving piece 40 of drift subassembly 30 activity along vertical movably, during the use, place injection molding 1 on base 20, start driving piece 40, thereby drive drift subassembly 30 downward movement, and make drift subassembly 30 rush into to the round hole 101 in, and then strike off the burr in the round hole 101.

Specifically, the frame 10 is a frame structure formed by connecting cross beams and longitudinal beams, the anti-slip foot pads 11 are installed at the bottom of the frame 10, the anti-slip foot pads 11 are made of anti-slip materials, and the anti-slip foot pads 11 are used for being supported on a bearing plane (for example, a factory floor or a table top) and increasing friction force, so that the frame 10 can be prevented from being easily moved. It is understood that the anti-slip mat 11 is made of a silicone or rubber material.

Referring to fig. 7-10, the punch assembly 30 includes a punch 31 and a heating member 32, the heating member 32 is connected to the punch 31, and when the punch 31 is used, the heating member 32 can generate heat after being electrified, so as to heat the punch 31, so that when the punch 31 is punched downwards into the circular hole 101, the punch 31 can heat the periphery of the circular hole 101 of the injection molded part 1, thereby reducing the brittleness of the material at the circular hole 101, and effectively avoiding cracking of the injection molded part 1. In this embodiment, the punch 31 is a hollow cylindrical structure with two through ends, the heating member 32 is a heating rod, the heating member 32 is inserted into the cavity of the punch 31, the bottom of the punch 31 is fixedly provided with a plug 301, the plug 301 seals the lower end opening of the punch 31, so that the heating member 32 is effectively prevented from falling from the bottom of the punch 31, and a wire on the heating member 32 passes through the upper end opening of the punch 31 and then is connected with a power supply. In other embodiments, which are not shown, the heating member 32 may also be a heating sheet or a heating wire or a heating cylinder mounted on the punch 31, which can generate heat after being electrified, and is not limited herein.

Furthermore, a groove 302 communicated with the inner cavity of the punch 3 is formed on the side wall of the punch 3, a lug 3021 is fixedly arranged at the bottom of the groove 302, an extrusion part 33 matched with the groove 302 is detachably arranged on the side wall of the punch 3, and the extrusion part 33 is approximately in the shape of a whole

In the shape of a structure, the pressing member 33 includes a connection portion 331 and a pressing portion 332 connected to each other, the connection portion 331 is detachably connected to the protrusion 3021, and the pressing portion 332 abuts against the outer wall of the heating rod. In use, the pressing member 33 is correspondingly placed in the recess 302, and the connecting portion 331 is connected to the boss 3021 by a bolt (not shown), and when the pressing member 33 and the boss are mounted in place, the end portion of the pressing member 33 presses the outer wall of the heating member 32, so that the heating member 32 is fixed in the inner cavity of the punch 3. In other embodiments, which are not shown, the recess 302, the cam 3021 and the pressing element 33 can also be omitted, in which case a locking screw is screwed onto the outer wall of the punch 3, the end of the locking screw projecting into the inner cavity of the punch 3 and abutting against the heating element 32, likewise pressing and fixing the heating element 32 inside the punch 3.

The punch assembly 30 further comprises a thermocouple 34, the thermocouple 34 being mounted on an outer wall of the punch 3, the thermocouple 34 being adapted to sense the temperature of the punch 3, thereby facilitating accurate control of the temperature of the punch 3.

The punch 31 comprises a connecting section 311, a punching section 312 and a guiding section 313 which are sequentially arranged from top to bottom, the outer diameter of the guiding section 313 is smaller than the outer diameter of the connecting section 311 and is larger than the outer diameter of the guiding section 313, the connecting section 311 is used for being connected with the driving part 40, the diameter of the punching section 312 is slightly larger than the aperture of the round hole 101 and is used for punching into the round hole 101 to scrape burrs, the guiding section 313 is used for guiding the up-and-down movement of the punch 31, the heating part 32 is correspondingly installed in the connecting section 311, and the plug 301 is correspondingly installed in the guiding section 313. In the present embodiment, the punch 31 is an integrally formed structure and is made of a stainless steel material. Referring to fig. 4 to 6, a fixing seat 21 is fixedly mounted on a base 20, a limiting hole 210 is formed in the upper end surface of the fixing seat 21 in a downward recessed manner, the limiting hole 210 is matched with a guiding section 313, and after the injection molded part 1 is mounted on the base 20 in place, the circular hole 101 and the limiting hole 210 are in a coaxial position, so that when the punch 31 moves downward, the guiding section 313 can be firstly matched with the limiting hole 210 and slide downward along the limiting hole 210. Further, the lower end of the connecting section 311 is provided with a chamfer 3111 connected with the punching section 312, and during operation, after the punching section 312 passes through the circular hole 101 completely and continues to move downwards for a certain distance, the chamfer 3111 can leave a chamfer at the edge of the upper port of the circular hole 101, so that the edge of the circular hole 101 cannot scratch a conducting wire passing through the circular hole 101 due to the edge angle. In addition, the bottom of the guiding section 313 is provided with a round, which is beneficial for the guiding section 313 to smoothly enter the limiting hole 210.

In this embodiment, fixing base 21's structure carries out the special design according to the constitutional features of injection molding 1, specifically, injection molding 1 includes interconnect's horizontal support portion 102 and vertical support portion 103, round hole 101 sets up on horizontal support portion 102, vertical support portion 103 is including being located a vertical plate 104 of round hole 101 one side, fixing base 21's up end epirelief is equipped with limiting plate 211 and the concave C font adaptation groove 212 of establishing around limiting plate 211, when installing injection molding 1, horizontal support portion 102's bottom and adaptation groove 212 mutually support, limiting plate 211 and vertical plate 104 keep away from the lateral wall of round hole 101 and laminate mutually, so, injection molding 1 is just locked in the ascending trend of motion of horizontal direction, make injection molding 1 difficult relative fixing base 21 remove. During the user's installation, only need to put into the horizontal support portion 102 of injection molding 1 bottom to C font adaptation groove 212 along the vertical direction downwards alright realize the installation effect to injection molding 1, easy operation, convenient, compare in traditional mode of fixing the injection molding through the cylinder extrusion, reduced manufacturing cost, also improved clamping efficiency simultaneously.

Referring to fig. 4 and 5 again, a plurality of guide posts 22 are fixedly and vertically connected to the upper end surface of the base 20, a support plate 23 is fixedly connected to the upper ends of the guide posts 22, a movable plate 24 is slidably disposed on the guide posts 22 along the longitudinal direction, the movable plate 24 is fixedly connected to a connection section 311 of the punch 31, the driving member 40 is a cylinder, the cylinder is mounted on the support plate 23, and the extending end of the cylinder is fixedly connected to the movable plate 24. In operation, the extending end of the cylinder extends downward to drive the movable plate 24 and the punch assembly 30 to move downward, so that the bottom of the punch 31 is punched into the circular hole 101.

The utility model discloses an injection molding round hole burr-grinding machine adds heating member 32 on drift 31, can heat drift 31 after heating member 32 circular telegram, and the drift after the heating can heat around the round hole 101 of injection molding 1 to reduced the material fragility of round hole 101 department, effectively avoided injection molding 1 to split, improved product quality. Simultaneously, set up limiting plate 211 and C font adaptation groove 212 on fixing base 21, make the user place injection molding 1 alright inject the position of injection molding 1 when fixing base 21, easy operation, convenient, with low costs, and improved clamping and burring efficiency, convenient to popularize and use.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (9)

1. The utility model provides an injection molding round hole burr-grinding machine, the injection molding including the horizontal support portion that has the round hole and with the horizontal support portion is connected and is had the vertical support portion of vertical plate, injection molding round hole burr-grinding machine includes the base, along vertical movably locating the drift subassembly of base top and being used for the drive the driving piece of drift subassembly activity, be equipped with the fixing base that is used for placing the injection molding on the base, its characterized in that: the drift subassembly includes the drift that corresponds with the round hole and connects heating member on the drift, the protruding limiting plate that is equipped with on the up end of fixing base and concave establishing C font adaptation groove around the limiting plate, the bottom of horizontal support portion with the adaptation groove is mutually supported, the limiting plate with the lateral wall that the round hole was kept away from to the longitudinal slab is laminated mutually.

2. The injection molding round hole deburring machine of claim 1, characterized in that: the drift is the cavity tubular structure that both ends link up, it inserts to add the heat-insulating material in the cavity of drift, the bottom fixed mounting of drift has the end cap, the end cap is sealed the lower extreme opening of drift.

3. The injection molding round hole deburring machine of claim 2 wherein: seted up the intercommunication on the lateral wall of drift the recess of the inner chamber of drift, detachably install on the lateral wall of drift with recess complex extruded piece, the heating member is the heating rod, the extruded piece with the outer wall counterbalance of heating rod is held.

4. The injection molding round hole deburring machine of claim 3 wherein: the extrusion part is

The shape structure, the extruded piece includes interconnect's connecting portion and extrusion portion, the fixed lug that is equipped with in tank bottom of recess, connecting portion with lug detachably connects, extrusion portion with the outer wall counterbalance of heating rod is held.

5. The injection molding round hole deburring machine of claim 1 wherein: the drift is including linkage segment, punching press section and the direction section that from top to bottom sets gradually, the external diameter of direction section is less than the external diameter of linkage segment just is greater than the external diameter of direction section, the lower extreme of linkage segment be provided with the chamfer portion that the punching press section is connected.

6. The injection molding round hole deburring machine of claim 5 wherein: the upper end face of the fixing seat is sunken downwards to form a limiting hole, and the limiting hole is matched with the guide section.

7. The injection molding round hole deburring machine of claim 1 wherein: the punch assembly further includes a thermocouple mounted on an outer wall of the punch.

8. The injection molding round hole deburring machine of claim 1 wherein: the punch punching machine is characterized in that a plurality of guide columns are vertically and fixedly connected to the upper end face of the base, a supporting plate is fixedly connected to the upper ends of the guide columns, movable plates are arranged on the guide columns in a sliding mode along the longitudinal direction, the movable plates are fixedly connected with the punch, the driving piece is an air cylinder arranged on the supporting plate, and the extending end of the air cylinder is fixedly connected with the movable plates.

9. The injection molding round hole deburring machine of claim 1 wherein: the injection molding round hole deburring machine further comprises a rack, the base is installed on the rack, and an anti-skidding foot pad is installed at the bottom of the base.

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