CN112776253A - Secondary injection molding device and method for tool handle - Google Patents
Secondary injection molding device and method for tool handle Download PDFInfo
- Publication number
- CN112776253A CN112776253A CN202011505382.5A CN202011505382A CN112776253A CN 112776253 A CN112776253 A CN 112776253A CN 202011505382 A CN202011505382 A CN 202011505382A CN 112776253 A CN112776253 A CN 112776253A
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- injection molding
- color
- sliding table
- handle
- tool
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 252
- 238000000034 method Methods 0.000 title claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 17
- 239000005060 rubber Substances 0.000 claims description 17
- 239000004033 plastic Substances 0.000 claims description 11
- 229920003023 plastic Polymers 0.000 claims description 11
- 238000004321 preservation Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000017105 transposition Effects 0.000 abstract description 5
- 229920002725 thermoplastic elastomer Polymers 0.000 description 15
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14008—Inserting articles into the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/16—Making multilayered or multicoloured articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to a secondary injection molding device for a tool handle, which comprises: the three-color injection molding machine comprises a three-color injection molding machine, a mold frame, a lower mold arranged at the front end of the mold frame, an upper mold provided with a heater, an upper mold lifting device and a workpiece clamping and transposition device; the upper die and the lower die are surrounded to form a primary injection molding cavity, a secondary injection molding first color injection molding cavity and a secondary injection molding second color injection molding cavity which are sequentially arranged along the left-right direction, and three containing holes with the rear ends communicated with the primary injection molding cavity, the secondary injection molding first color injection molding cavity and the secondary injection molding second color injection molding cavity in a one-to-one correspondence manner; a trademark character lug is arranged on the upper side of the secondary injection molding first color injection molding cavity; the upper die is provided with a primary injection molding runner communicated with a primary injection molding cavity and a first injection molding port of the three-color injection molding machine, a secondary injection molding primary runner communicated with a secondary injection molding primary injection molding cavity and a secondary injection molding port of the three-color injection molding machine, and a secondary injection molding secondary runner communicated with a trademark character position arranged in the secondary injection molding cavity and a third injection molding port of the three-color injection molding machine.
Description
Technical Field
The invention relates to the technical field of tools, in particular to a secondary injection molding device and a secondary injection molding method for a tool handle.
Background
The structure of the tool handle can be found in the chinese patent application No.: 201921533125.5 to obtain knowledge of a screwdriver handle; traditional tool handle rigid plastic commonly used is made through the method of moulding plastics, has the surface after setting up the trade mark character not enough level and smooth, holds the relatively poor not enough of sense during the use, consequently, designs one kind and sets up trade mark character back surface level and smooth, holds the better tool handle secondary of sense and moulds plastics device and method during the use, becomes the problem that awaits a urgent need to solve.
Disclosure of Invention
The invention aims to overcome the defects that the outer surface of the tool handle is not smooth enough after trademark characters are arranged and the holding feeling is poor when the tool handle is used due to the fact that the conventional tool handle is made of hard plastic through an injection molding method, and provides a secondary injection molding device and a secondary injection molding method for the tool handle, wherein the outer surface of the tool handle is smooth after the trademark characters are arranged, and the holding feeling is good when the tool handle is used.
The specific technical scheme of the invention is as follows:
a tool handle overmolding device comprising: the three-color injection molding machine is provided with three injection molding openings, a mold frame, a lower mold arranged at the front end of the mold frame, an upper mold provided with a heater, an upper mold lifting device and a workpiece clamping and rotating device; the upper die and the lower die are surrounded to form a primary injection molding cavity, a secondary injection molding first color injection molding cavity and a secondary injection molding second color injection molding cavity which are sequentially arranged along the left-right direction, and three containing holes with the rear ends communicated with the primary injection molding cavity, the secondary injection molding first color injection molding cavity and the secondary injection molding second color injection molding cavity in a one-to-one correspondence manner; a trademark character lug is arranged on the upper side of the secondary injection molding first color injection molding cavity; the upper die is provided with a primary injection molding runner communicated with a primary injection molding cavity and a first injection molding port of the three-color injection molding machine, a secondary injection molding primary runner communicated with a secondary injection molding primary injection molding cavity and a secondary injection molding port of the three-color injection molding machine, and a secondary injection molding secondary runner communicated with a trademark character position arranged in the secondary injection molding cavity and a third injection molding port of the three-color injection molding machine.
Preferably, the upper mold lifting device includes: the die carrier is provided with a die carrier, a mounting plate, guide posts and an oil cylinder, wherein the mounting plate is provided with a plurality of guide holes, the rear end of the mounting plate is connected with the front end of the die carrier; a piston rod of the oil cylinder penetrates through the mounting plate and is connected with the upper end of the upper die; the guide posts penetrate through the guide holes in a one-to-one correspondence mode, and the lower ends of the guide posts are connected with the upper end of the upper die respectively.
Preferably, the upper end of the upper die is provided with three rotary joints which are correspondingly communicated with the primary injection molding runner, the secondary injection molding first color runner and the secondary injection molding second color runner one by one; the mounting plate is provided with three through holes and three heat-preservation communicating pipes which are correspondingly arranged in the three through holes in a penetrating way one by one; one end of each of the three heat-preservation communicating pipes is communicated with the three rotary joints in a one-to-one correspondence manner; the other ends of the three heat-preservation communicating pipes are communicated with the three injection molding ports in a one-to-one correspondence mode in sequence.
Preferably, the workpiece clamping and indexing device includes: a three-dimensional electric sliding table and a clamping assembly; the clamping assembly includes: the lower end of the clamping seat is detachably connected with the clamping cover at the upper end of the clamping seat; three-dimensional electronic slip table includes: the lifting device comprises a front-back electric linear sliding table, a left-right electric linear sliding table, a lifting electric linear sliding table and a lifting linear sliding table, wherein the front-back electric linear sliding table and the front-back electric linear sliding table are arranged in parallel; the left and right electric linear sliding tables are provided with two sliding blocks; the lower end of the lifting electric linear sliding table is connected with one sliding block of the left-right electric linear sliding table, and the lower end of the lifting electric linear sliding table is connected with the other sliding block of the left-right electric linear sliding table; two ends of the clamping seat are connected with the sliding blocks of the lifting electric linear sliding table and the sliding blocks of the lifting linear sliding table in a one-to-one correspondence manner; the lower end of the clamping cover and the upper end of the clamping seat are surrounded to form a plurality of clamping holes which are arranged in the left-right direction.
Preferably, the left side and the right side of the upper end of the lower die are respectively provided with a positioning recess, and the left side and the right side of the lower end of the upper die are respectively provided with a positioning lug matched with the positioning recess.
A secondary injection molding method of a tool handle adopts the secondary injection molding device of the tool handle; (1) sequentially placing the use sections of the tools with the number equal to or less than that of the clamping holes into the clamping holes of the clamping and indexing device from right to left, and connecting the lower end of the clamping cover with the upper end of the clamping seat to clamp the use sections; (2) the three-dimensional electric sliding table drives the clamping assembly to move, so that a handle core section of a first tool on the right side is placed in the one-time injection molding cavity, the upper mold lifting device drives the upper mold to descend, and the rear end of the using section is located in the accommodating hole; hard plastic is extruded from the first injection molding port and injected into the one-time injection molding cavity to complete one-time injection molding of the handle of the first tool; (3) the upper die lifting device drives the upper die to ascend, the three-dimensional electric sliding table drives the clamping assembly to move, so that a handle core section of a first tool on the right side is placed in the secondary injection molding first-color injection molding cavity, the upper die lifting device drives the upper die to descend, and the rear end of the using section is located in the containing hole; extruding the first-color TPE soft rubber from the second injection molding port and injecting the first-color TPE soft rubber into the second-injection molding first-color injection molding cavity to complete the second-injection molding first-color injection molding of the handle of the first tool; the upper side of the handle side wall after the secondary injection molding and the first color injection molding is provided with trademark character depressions; (4) the upper die lifting device drives the upper die to ascend, the three-dimensional electric sliding table drives the clamping assembly to move, so that the handle core section of the first tool on the right side is placed in the secondary injection molding second color injection molding cavity, the upper die lifting device drives the upper die to descend, and the rear end of the using section is located in the containing hole; extruding second-color TPE soft rubber from a third injection molding port and injecting the second-color TPE soft rubber into a second-color injection molding cavity for secondary injection molding, so as to complete secondary injection molding of the trademark character concave part of the handle of the first tool; (5) the handles of the other tools move rightwards along with the handle of the first tool in sequence, and the first injection molding, the second injection molding of the first color injection molding and the second injection molding of the trademark character position of the handles of the tools are completed one by one.
Preferably, the depth of the trademark characters is 1.5mm to 2 mm.
TPE is an abbreviation for Thermoplastic Elastomer, english; the TPE has the characteristics of rubber, can be injected and is insensitive to temperature, and the surface of a base body of the hard plastic which is injected and molded firstly is coated with a layer of thinner TPE soft rubber through secondary injection molding, so that the touch comfort of a product can be improved, and the slip resistance and the impact buffering performance are improved.
Compared with the prior art, the invention has the beneficial effects that: the tool handle secondary injection molding device completes primary injection molding of the handle of the tool by extruding hard plastics injected into the primary injection molding cavity from the first injection molding port of the three-color injection molding machine, completes secondary injection molding and primary injection molding of the handle of the tool by extruding first-color TPE soft rubbers injected into the secondary injection molding first-color injection molding cavity from the second injection molding port, and the upper side of the side wall of the handle after the secondary injection molding and the primary injection molding is provided with trademark character depressions; second-color TPE soft rubber injected into the second-color injection molding cavity is extruded from the third injection molding port, so that second-color injection molding of the handle of the tool is completed, the outer surface of the handle of the tool is smooth after trademark characters are arranged on the handle, the trademark characters are clear and striking, and the holding feeling is good during use; the secondary injection molding of the handle is carried out in a pair of dies, and the workpiece clamping and transposition device is used for transposition, so that repeated mould rotation is avoided. The lower end of the clamping cover is detachably connected with the upper end of the clamping seat, so that the use section of the tool is favorably placed in the clamping hole and clamped. The positioning lug is matched with the positioning recess, so that the positioning of the upper die and the lower die is facilitated. The depth of the trademark characters is 1.5mm to 2 mm, the convenience of secondary injection molding second color is considered, and the definition of the trademark characters is improved.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure at the injection molding cavity;
FIG. 3 is a schematic view of the structure at the over-molding first-color molding cavity;
FIG. 4 is a schematic view of the structure at the second overmold cavity.
In the figure: the three-color injection molding machine 1, the mold base 2, the lower mold 3, the heater 4, the upper mold 5, the one-time injection molding cavity 6, the one-time injection molding first color injection molding cavity 7, the two-time injection molding second color injection molding cavity 8, the accommodating hole 9, the trademark character bump 10, the first injection molding port 11, the one-time injection molding runner 12, the second injection molding port 13, the two-time injection molding first color runner 14, the third injection molding port 15, the two-time injection molding second color runner 16, the mounting plate 17, the stopper 18, the guide pillar 19, the oil cylinder 20, the rotary joint 21, the through hole 22, the heat preservation communicating pipe 23, the clamping seat 24, the clamping cover 25, the front and back electric linear sliding table 26, the front and back electric linear sliding table 27, the left and right electric linear sliding table 28, the lifting electric linear sliding table 29, the lifting linear sliding table 30, the clamping hole 31, the positioning recess 32, the.
Detailed Description
The invention will be further described with reference to the drawings.
As shown in the attached figures 1, 2, 3 and 4: a tool handle overmolding device comprising: the three-color injection molding machine comprises a three-color injection molding machine 1 with three injection molding openings, a mold frame 2, a lower mold 3 arranged at the front end of the mold frame 2, an upper mold 5 with a heater 4, an upper mold lifting device and a workpiece clamping and rotating device; the lower end of the upper die 5 and the upper end of the lower die 3 are surrounded to form a primary injection molding cavity 6, a secondary injection molding first color injection molding cavity 7 and a secondary injection molding second color injection molding cavity 8 which are sequentially arranged along the left-right direction, and three containing holes 9 with the rear ends communicated with the primary injection molding cavity 6, the secondary injection molding first color injection molding cavity 7 and the secondary injection molding second color injection molding cavity 8 in a one-to-one correspondence manner; a trademark character bump 10 is arranged on the upper side of the secondary injection molding first color injection molding cavity 7; the upper die 5 is provided with a primary injection molding runner 12 communicated with the primary injection molding cavity 6 and a first injection molding port 11 of the three-color injection molding machine 1, a secondary injection molding first color runner 14 communicated with a secondary injection molding first color injection molding cavity 7 and a second injection molding port 13 of the three-color injection molding machine 1, and a secondary injection molding second color runner 16 communicated with a trademark character position 37 arranged in the secondary injection molding second color injection molding cavity 8 and a third injection molding port 15 of the three-color injection molding machine 1. The cross section of the primary injection molding cavity 6 is circular; the heater 4 is an electric heater.
Go up mould elevating gear include: a mounting plate 17 provided with two guide holes (not shown) and having a rear end screwed with the front end of the die carrier 2, guide posts 19 having the same number as the guide holes and having stoppers 18 at upper ends thereof, and an oil cylinder 20 screwed with the upper end of the mounting plate 17; a piston rod of the oil cylinder 20 penetrates through the mounting plate 17 and is in threaded connection with the upper end of the upper die 5; the guide posts 19 are correspondingly arranged in the guide holes in a penetrating way, and the lower ends of the guide posts 19 are respectively screwed with the upper end of the upper die 5.
The upper end of the upper die 5 is provided with three rotary joints 21 which are correspondingly communicated with the primary injection molding runner 12, the secondary injection molding first color runner 14 and the secondary injection molding second color runner 16 one by one; the mounting plate 17 is provided with three through holes 22 and three heat-preservation communicating pipes 23 which are correspondingly arranged in the three through holes 22 in a penetrating way one by one; one end of each of the three heat-insulating communicating pipes 23 is communicated with the three rotary joints 21 in a one-to-one correspondence manner; the other ends of the three heat-insulating communicating pipes 23 are communicated with the three injection molding ports in a one-to-one correspondence manner in sequence.
The workpiece clamping and indexing device comprises: a three-dimensional electric sliding table and a clamping assembly; the clamping assembly includes: a clamping base 24, a clamping cover 25 with the lower end screwed with the upper end of the clamping base 24; three-dimensional electronic slip table includes: a front-back electric linear sliding table 26 and a front-back electric linear sliding table 27 which are arranged in parallel, a left-right electric linear sliding table 28 which is arranged at the front side of the lower die 3 and the lower end of which is respectively screwed with a sliding block of the front-back electric linear sliding table 26 and a sliding block of the front-back electric linear sliding table 27, a lifting electric linear sliding table 29 and a lifting linear sliding table 30; the left and right electric linear sliding table 28 is provided with two sliding blocks; the lower end of the lifting electric linear sliding table 29 is in threaded connection with one sliding block of the left-right electric linear sliding table 28, and the lower end of the lifting linear sliding table 30 is in threaded connection with the other sliding block of the left-right electric linear sliding table 28; two ends of the clamping seat 24 are in one-to-one corresponding threaded connection with the sliding blocks of the lifting electric linear sliding table 29 and the lifting linear sliding table 30; five clamping holes 31 which are arranged in the left-right direction are enclosed between the lower end of the clamping cover 25 and the upper end of the clamping seat 24.
The left side and the right side of the upper end of the lower die 3 are respectively provided with a positioning recess 32, and the left side and the right side of the lower end of the upper die 5 are respectively provided with a positioning lug 33 matched with the positioning recess 32.
A secondary injection molding method of a tool handle adopts the secondary injection molding device of the tool handle; (1) placing the using sections 34 of the tools with the number equal to that of the clamping holes 31 into the clamping holes 31 of the clamping indexing device from right to left in sequence, and screwing the lower end of the clamping cover 25 and the upper end of the clamping seat 24 to clamp the using sections 34; (2) the three-dimensional electric sliding table drives the clamping assembly to move, so that a handle core section 35 of a first tool on the right side is placed in the one-time injection molding cavity 6, the upper mold lifting device drives the upper mold 5 to descend, and the rear end of the using section 34 is located in the accommodating hole 9; hard plastic is extruded from the first injection port 11 and injected into the one-time injection molding cavity 6 to finish one-time injection molding of the handle of the first tool; (3) the upper die lifting device drives the upper die 5 to ascend, the three-dimensional electric sliding table drives the clamping assembly to move, so that the handle core section 35 of the first tool on the right side is placed in the primary injection molding cavity 7 for secondary injection molding, the upper die lifting device drives the upper die 5 to descend, and the rear end of the using section 34 is located in the containing hole 9; extruding the first color TPE soft rubber from the second injection molding port 13 and injecting the first color TPE soft rubber into the second injection molding first color injection molding cavity 7 to complete the second injection molding first color injection molding of the handle of the first tool; the upper side of the handle side wall which finishes the secondary injection molding and the first color injection molding is provided with a trademark character recess 36; (4) the upper die lifting device drives the upper die 5 to ascend, the three-dimensional electric sliding table drives the clamping assembly to move, so that the handle core section 35 of the first tool on the right side is placed in the secondary injection molding second color injection molding cavity 8, the upper die lifting device drives the upper die 5 to descend, and the rear end of the using section 34 is located in the containing hole 9; second-color TPE soft rubber is extruded from a third injection molding port 15 and injected into the second-color injection molding cavity 8 for secondary injection molding, so that the second-color injection molding at the trademark character recess 36 of the handle of the first tool is completed; (5) the handles of the other tools move rightwards along with the handle of the first tool in sequence, and the first injection molding, the second injection molding and the first color injection molding of the handles of the tools and the second injection molding of the trademark character positions 37 are completed one by one.
The depth of the trademark characters is 1.5mm to 2 mm.
The invention has the beneficial effects that: the tool handle secondary injection molding device completes primary injection molding of the handle of the tool by extruding hard plastics injected into the primary injection molding cavity from the first injection molding port of the three-color injection molding machine, completes secondary injection molding and primary injection molding of the handle of the tool by extruding first-color TPE soft rubbers injected into the secondary injection molding first-color injection molding cavity from the second injection molding port, and the upper side of the side wall of the handle after the secondary injection molding and the primary injection molding is provided with trademark character depressions; second-color TPE soft rubber injected into the second-color injection molding cavity is extruded from the third injection molding port, so that second-color injection molding of the handle of the tool is completed, the outer surface of the handle of the tool is smooth after trademark characters are arranged on the handle, the trademark characters are clear and striking, and the holding feeling is good during use; the secondary injection molding of the handle is carried out in a pair of dies, and the workpiece clamping and transposition device is used for transposition, so that repeated mould rotation is avoided. The lower end of the clamping cover is detachably connected with the upper end of the clamping seat, so that the use section of the tool is favorably placed in the clamping hole and clamped. The positioning lug is matched with the positioning recess, so that the positioning of the upper die and the lower die is facilitated. The depth of the trademark characters is 1.5mm to 2 mm, the convenience of secondary injection molding second color is considered, and the definition of the trademark characters is improved.
In addition to the above embodiments, the technical features or technical data of the present invention may be reselected and combined to form new embodiments within the scope of the claims and the specification of the present invention, which are all realized by those skilled in the art without creative efforts, and thus, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and are within the protection scope of the present invention.
Claims (7)
1. A tool handle overmolding device comprising: three-colour injection molding machine, characterized by, tool handle secondary device of moulding plastics still include: the device comprises a die frame, a lower die arranged at the front end of the die frame, an upper die provided with a heater, an upper die lifting device and a workpiece clamping and rotating device; the upper die and the lower die are surrounded to form a primary injection molding cavity, a secondary injection molding first color injection molding cavity and a secondary injection molding second color injection molding cavity which are sequentially arranged along the left-right direction, and three containing holes with the rear ends communicated with the primary injection molding cavity, the secondary injection molding first color injection molding cavity and the secondary injection molding second color injection molding cavity in a one-to-one correspondence manner; a trademark character lug is arranged on the upper side of the secondary injection molding first color injection molding cavity; the upper die is provided with a primary injection molding runner communicated with a primary injection molding cavity and a first injection molding port of the three-color injection molding machine, a secondary injection molding primary runner communicated with a secondary injection molding primary injection molding cavity and a secondary injection molding port of the three-color injection molding machine, and a secondary injection molding secondary runner communicated with a trademark character position arranged in the secondary injection molding cavity and a third injection molding port of the three-color injection molding machine.
2. The tool handle overmolding device of claim 1, wherein the upper mold lifting device comprises: the die carrier is provided with a die carrier, a mounting plate, guide posts and an oil cylinder, wherein the mounting plate is provided with a plurality of guide holes, the rear end of the mounting plate is connected with the front end of the die carrier; a piston rod of the oil cylinder is connected with the upper end of the upper die; the guide posts penetrate through the guide holes in a one-to-one correspondence mode, and the lower ends of the guide posts are connected with the upper end of the upper die respectively.
3. The tool handle secondary injection molding device as claimed in claim 2, wherein the upper end of the upper mold is provided with three rotary joints which are in one-to-one correspondence communication with the primary injection molding runner, the secondary injection molding first color runner and the secondary injection molding second color runner; the mounting plate is provided with three through holes and three heat-preservation communicating pipes which are correspondingly arranged in the three through holes in a penetrating way one by one; one end of each of the three heat-preservation communicating pipes is communicated with the three rotary joints in a one-to-one correspondence manner; the other ends of the three heat-preservation communicating pipes are communicated with the three injection molding ports in a one-to-one correspondence mode in sequence.
4. The tool handle overmolding apparatus according to claim 1, wherein the workpiece-holding indexing device comprises: a three-dimensional electric sliding table and a clamping assembly; the clamping assembly includes: the lower end of the clamping seat is detachably connected with the clamping cover at the upper end of the clamping seat; three-dimensional electronic slip table includes: the lifting device comprises a front-back electric linear sliding table, a left-right electric linear sliding table, a lifting electric linear sliding table and a lifting linear sliding table, wherein the front-back electric linear sliding table and the front-back electric linear sliding table are arranged in parallel; the left and right electric linear sliding tables are provided with two sliding blocks; the lower end of the lifting electric linear sliding table is connected with one sliding block of the left-right electric linear sliding table, and the lower end of the lifting electric linear sliding table is connected with the other sliding block of the left-right electric linear sliding table; two ends of the clamping seat are connected with the sliding blocks of the lifting electric linear sliding table and the sliding blocks of the lifting linear sliding table in a one-to-one correspondence manner; the lower end of the clamping cover and the upper end of the clamping seat are surrounded to form a plurality of clamping holes which are arranged in the left-right direction.
5. The tool handle secondary injection molding device as claimed in claim 1, 2, 3 or 4, wherein the upper lower mold is provided with a positioning recess on each of the left and right sides of the upper end thereof, and the upper mold is provided with a positioning protrusion on each of the left and right sides of the lower end thereof, the positioning protrusion being adapted to the positioning recess.
6. A tool handle overmolding process using the tool handle overmolding apparatus of any one of claims 1 to 6; the device is characterized in that (1) the using sections of the tools with the number equal to or less than that of the clamping holes are sequentially placed in the clamping holes of the clamping and indexing device from right to left, and the lower end of the clamping cover and the upper end of the clamping seat are connected to clamp the using sections; (2) the three-dimensional electric sliding table drives the clamping assembly to move, so that a handle core section of a first tool on the right side is placed in the one-time injection molding cavity, the upper mold lifting device drives the upper mold to descend, and the rear end of the using section is located in the accommodating hole; hard plastic is extruded from the first injection molding port and injected into the one-time injection molding cavity to complete one-time injection molding of the handle of the first tool; (3) the upper die lifting device drives the upper die to ascend, the three-dimensional electric sliding table drives the clamping assembly to move, so that a handle core section of a first tool on the right side is placed in the secondary injection molding first-color injection molding cavity, the upper die lifting device drives the upper die to descend, and the rear end of the using section is located in the containing hole; extruding the first-color TPE soft rubber from the second injection molding port and injecting the first-color TPE soft rubber into the second-injection molding first-color injection molding cavity to complete the second-injection molding first-color injection molding of the handle of the first tool; the upper side of the handle side wall after the secondary injection molding and the first color injection molding is provided with trademark character depressions; (4) the upper die lifting device drives the upper die to ascend, the three-dimensional electric sliding table drives the clamping assembly to move, so that the handle core section of the first tool on the right side is placed in the secondary injection molding second color injection molding cavity, the upper die lifting device drives the upper die to descend, and the rear end of the using section is located in the containing hole; extruding second-color TPE soft rubber from a third injection molding port and injecting the second-color TPE soft rubber into a second-color injection molding cavity for secondary injection molding, so as to complete secondary injection molding of the trademark character concave part of the handle of the first tool; (5) the handles of the other tools move rightwards along with the handle of the first tool in sequence, and the first injection molding, the second injection molding of the first color injection molding and the second injection molding of the trademark character position of the handles of the tools are completed one by one.
7. A tool handle overmolding process according to claim 6 wherein the trademark characters have a depth of 1.5mm to 2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505382.5A CN112776253A (en) | 2020-12-18 | 2020-12-18 | Secondary injection molding device and method for tool handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505382.5A CN112776253A (en) | 2020-12-18 | 2020-12-18 | Secondary injection molding device and method for tool handle |
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| CN112776253A true CN112776253A (en) | 2021-05-11 |
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| CN202011505382.5A Pending CN112776253A (en) | 2020-12-18 | 2020-12-18 | Secondary injection molding device and method for tool handle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474613A (en) * | 2022-02-14 | 2022-05-13 | 浙江颢屹汽车技术有限公司 | Secondary injection mold and machining process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2483065A1 (en) * | 2002-05-09 | 2003-11-20 | The Gillette Company | Insert molding razor cartridges |
| CN106985343A (en) * | 2016-01-21 | 2017-07-28 | 杨志钢 | A kind of double-colored keycap production mould, method and its double-colored keycap of production |
| CN111605133A (en) * | 2020-06-01 | 2020-09-01 | 温州市朗琪光学有限公司 | Double-shot automatic molding device |
| CN211492559U (en) * | 2019-11-29 | 2020-09-15 | 金裕泰(惠州)实业有限公司 | Continuous transition different-color shell injection mold |
| CN214926455U (en) * | 2020-12-18 | 2021-11-30 | 杭州联和工具制造有限公司 | Secondary injection molding device for tool handle |
-
2020
- 2020-12-18 CN CN202011505382.5A patent/CN112776253A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2483065A1 (en) * | 2002-05-09 | 2003-11-20 | The Gillette Company | Insert molding razor cartridges |
| CN106985343A (en) * | 2016-01-21 | 2017-07-28 | 杨志钢 | A kind of double-colored keycap production mould, method and its double-colored keycap of production |
| CN211492559U (en) * | 2019-11-29 | 2020-09-15 | 金裕泰(惠州)实业有限公司 | Continuous transition different-color shell injection mold |
| CN111605133A (en) * | 2020-06-01 | 2020-09-01 | 温州市朗琪光学有限公司 | Double-shot automatic molding device |
| CN214926455U (en) * | 2020-12-18 | 2021-11-30 | 杭州联和工具制造有限公司 | Secondary injection molding device for tool handle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114474613A (en) * | 2022-02-14 | 2022-05-13 | 浙江颢屹汽车技术有限公司 | Secondary injection mold and machining process thereof |
| CN114474613B (en) * | 2022-02-14 | 2024-02-20 | 浙江颢屹汽车技术有限公司 | Secondary injection mold and processing technology thereof |
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Application publication date: 20210511 |