CN214766592U - Constant-temperature glue dispensing device capable of rapidly replacing needle head - Google Patents

Abstract

The utility model discloses a but constant temperature adhesive deposite device of quick replacement syringe needle, including insulation construction, insulation construction's inboard is provided with constant temperature subassembly, disconnected gluey subassembly and hybrid tube, the outside of hybrid tube is provided with constant temperature lid and constant temperature seat, the hot groove has been seted up at the top of constant temperature seat, the inboard of hot groove is provided with the heating rod, the bottom of constant temperature seat is provided with the valve and passes through the groove, the outside of constant temperature seat is provided with the refrigeration piece, the outside of constant temperature lid is provided with inside thermal-insulated lid, the outside of inside thermal-insulated lid is provided with outside thermal-insulated lid, the outside of constant temperature seat is provided with inside thermal-insulated seat. This but constant temperature adhesive deposite device of quick replacement syringe needle unscrews the bracket catch from the constant temperature seat, rotates syringe needle bracket ninety degrees, and syringe needle bracket drives point and glues syringe needle, disconnected gluey valve rotation ninety degrees, makes disconnected gluey valve pass through groove roll-off from the valve, makes point and glues syringe needle, disconnected gluey valve and be convenient for quick replacement.

Description

Constant-temperature glue dispensing device capable of rapidly replacing needle head

Technical Field

The utility model relates to an equipment technical field is glued to the point, specifically is a but constant temperature adhesive deposite device of quick replacement syringe needle.

Background

With the development of electronic technology towards the direction of precision, the market puts higher demands on the electronic packaging technology, the dispensing technology is one of the core technologies in the electronic packaging process and is also making progress towards micro and refinement, and the two-component glue is used as a common raw material in the dispensing technology, in particular to a constant-temperature dispensing device capable of quickly replacing a needle.

The patent provides a water condensation preventing glue-breaking refrigerating assembly and a glue dispenser thereof, the structure is that the mixing tube is arranged at a temperature below a freezing point through a refrigerating structure, the structure has no universality, because different double-component glue needs different mixing temperatures, some of the glue needs refrigeration and some of the glue needs heating, some of the glue needs automatic adjustment of a refrigerating or heating mode according to the environmental temperature, and in addition, the common problem of the glue dispenser of the double-component glue is that the needle head is troublesome to replace, taking the structure in the patent as an example, the mixing tube needs to be removed first, then the cylinder with a series of parts such as the needle head is pulled out, the needle head is replaced outside, and then the cylinder is installed in the dispensing device, and the process is complicated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but constant temperature adhesive deposite device of quick replacement syringe needle to in the most point gum machine that proposes to have now among the solution above-mentioned background art arranges the hybrid tube in the below-freezing temperature through refrigeration structure, do not have the universality, the loaded down with trivial details complicacy of syringe needle replacement process, and equipment does not have the problem that leads to personnel to scald easily at a distance from temperature protective structure.

In order to achieve the above object, the utility model provides a following technical scheme: a constant-temperature dispensing device with a quickly replaceable needle head comprises a heat insulation structure, wherein a constant-temperature assembly, a glue breaking assembly and a mixing pipe are arranged on the inner side of the heat insulation structure, a constant-temperature cover and a constant-temperature seat are arranged on the outer side of the mixing pipe, a heating groove is formed in the top of the constant-temperature seat, a heating rod is arranged on the inner side of the heating groove, a valve passing groove is formed in the bottom of the constant-temperature seat, a refrigerating sheet is arranged on the outer side of the constant-temperature seat, an internal heat insulation cover is arranged on the outer side of the constant-temperature cover, an external heat insulation cover is arranged on the outer side of the internal heat insulation cover, an internal heat insulation seat is arranged on the outer side of the constant-temperature seat, an external heat insulation seat is arranged on the outer side of the internal heat insulation seat, a heat radiation water tank is arranged on the outer side of the refrigerating sheet, a water inlet pipe and a water outlet pipe are arranged on the outer side of the heat insulation structure, a cable joint is arranged on the outer side of the heat insulation structure, and a power cylinder is fixedly mounted at the top of the heat insulation structure, the outside of power cylinder is provided with the transfer line, the inboard of constant temperature seat is provided with disconnected gluey valve, the bottom of disconnected gluey valve is provided with some gluey syringe needles, the outside of some gluey syringe needles is provided with the syringe needle bracket, the outside of syringe needle bracket is provided with the bracket catch, the outside of syringe needle bracket is provided with the syringe needle radiation shield.

Preferably, the mixing pipe is in intercommunication connection with the glue breaking valve, the glue breaking valve is in intercommunication connection with the glue dispensing needle head, the transmission rod is in transmission connection with the power cylinder, glue enters from the mixing pipe and flows into the glue breaking valve, the power cylinder is started, the transmission rod controls the on-off of the glue breaking valve, and the start-stop of glue dispensing is realized.

Preferably, the bracket lock ring is in threaded connection with the constant temperature seat, the glue breaking valve is in sliding connection with the valve through the groove, the needle head bracket is in clamping connection with the glue dispensing needle head, the bracket lock ring is screwed off from the constant temperature seat, the needle head bracket is rotated by ninety degrees, the needle head bracket drives the glue dispensing needle head and the glue breaking valve to rotate by ninety degrees, the glue breaking valve slides out from the valve through the groove, and the glue dispensing needle head and the glue breaking valve are convenient to replace.

Preferably, the constant temperature seat and the constant temperature cover are connected with each other, the constant temperature seat and the constant temperature cover are made of aluminum or copper metal, the heating rod is positioned outside the mixing tube, the constant temperature seat is in adhesive connection with the refrigerating sheet through heat-conducting silicone grease, the refrigerating sheet is in adhesive connection with the radiating water tank through heat-conducting silicone grease, the constant temperature seat is in heat-conducting connection with the refrigerating sheet, the heating rod is in heat-conducting connection with the mixing tube, the heating rod and the refrigerating sheet are electrically connected with the external controller through cable connectors, the external controller is operated to control the temperature of the device, three temperature control modes of a refrigerating mode, a heating mode and a constant temperature mode can be realized, in the heating mode, only the heating rod needs to work to provide a high-temperature environment for the mixing tube, in the refrigerating mode, the refrigerating sheet works, and the surface in contact with the constant temperature seat generates cold energy to provide a low-temperature environment for the mixing tube, under the constant temperature mode, the temperature value required by the mixing tube is set through external control, the system automatically selects the heating rod to work or the refrigerating sheet to work according to the change of the ambient temperature, when the ambient temperature is lower than a set value, the heating rod is started to heat the temperature of the mixing tube to the set value, when the ambient temperature is higher than the set value, the refrigerating sheet is started to refrigerate the temperature of the mixing tube to the set value, and the constant temperature seat is easy to transfer heat through the aluminum or copper metal material adopted by the constant temperature seat and the constant temperature cover.

Preferably, the refrigeration piece is heat transfer connection with the radiator tank, the inlet tube is interconnect with the radiator tank, the outlet pipe is interconnect with the radiator tank, through energy conservation law, and the one side that the seat of constant temperature was kept away from to the refrigeration piece is the state of generating heat, and this part heat needs in time to be discharged to avoid damaging the refrigeration piece, the face of generating heat and the radiator tank laminating of refrigeration piece, the radiator tank takes away the heat of the face of generating heat of refrigeration piece through outside hydrologic cycle, protects the normal operating of refrigeration piece.

Preferably, insulation construction includes syringe needle radiation shield sleeve, inside thermal-insulated seat, inside thermal-insulated lid, outside thermal-insulated seat and outside thermal-insulated lid, insulation construction adopts the ABS resin material to make, constant temperature lid, inside thermal-insulated lid and outside thermal-insulated lid pass through plastics screw interconnect, constant temperature seat, inside thermal-insulated seat, outside thermal-insulated seat pass through plastics screw interconnect, outside thermal-insulated seat is interconnect with outside thermal-insulated lid, through inside thermal-insulated lid and outside thermal-insulated lid, the setting of inside thermal-insulated seat and outside thermal-insulated seat makes the device have double-deck thermal-insulated structure, not only effectively completely cuts off hybrid tube and environment on every side to under low temperature environment, can prevent that the device surface from congealing water and freezing, under high temperature environment, can prevent to miss and scald skin, keep warm to the syringe needle bracket through syringe needle radiation shield sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. according to the constant-temperature glue dispensing device capable of rapidly replacing the needle head, the bracket locking ring is screwed off from the constant-temperature seat, the needle head bracket is rotated ninety degrees, the needle head bracket drives the glue dispensing needle head and the glue breaking valve to rotate ninety degrees, the glue breaking valve slides out from the valve through the groove, and the glue dispensing needle head and the glue breaking valve are convenient to rapidly replace;

2. the constant temperature glue dispensing device capable of rapidly replacing the needle head operates the external controller to control the temperature of the device, can realize three temperature control modes of a refrigeration mode, a heating mode and a constant temperature mode, only the heating rod works in the heating mode to provide a high-temperature environment for the mixing tube, the refrigerating sheet works in the refrigeration mode, the surface contacted with the constant temperature seat generates cold energy to provide low temperature environment for the mixing pipe, under the constant temperature mode, the temperature value required by the mixing tube is set through external control, the system automatically selects the heating rod to work or the refrigerating sheet to work according to the ambient temperature change, when the ambient temperature is lower than the set value, the heating rod is started to heat the temperature of the mixing tube to the set value, when the ambient temperature is higher than the set value, the refrigerating sheet is started to refrigerate the temperature of the mixing pipe to the set value, so that the applicability of the device is enhanced.

3. This but constant temperature adhesive deposite device of quick replacement syringe needle through inside thermal-insulated lid and outside thermal-insulated lid, and the setting of inside thermal-insulated seat and outside thermal-insulated seat makes the device have double-deck thermal-insulated structure, not only effectively completely cuts off hybrid tube and surrounding environment to under low temperature environment, can prevent that the device surface condensate from freezing, under high temperature environment, can prevent that the mistake from bumping scald skin.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the explosion structure of the present invention;

FIG. 3 is a schematic structural view of the glue-breaking assembly of the present invention;

fig. 4 is the schematic diagram of the structure of the dispensing needle of the present invention.

In the figure: 1. a mixing tube; 2. a glue breaking assembly; 21. dispensing a needle head; 22. a glue-breaking valve; 23. a transmission rod; 24. a power cylinder; 3. a constant temperature component; 31. a constant temperature seat; 32. a heat radiation water tank; 33. a needle holder; 34. a bracket locking ring; 35. a constant temperature cover; 36. a cable joint; 311. a heating rod; 312. a refrigeration plate; 313. a heating tank; 314. the valve passes through the slot; 321. a water inlet pipe; 322. a water outlet pipe; 4. a heat preservation structure; 41. a needle head heat insulation sleeve; 42. an internal heat insulation seat; 43. an inner insulating cover; 44. an external heat insulation seat; 45. an outer insulating cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a constant temperature glue dispensing device capable of quickly replacing a needle comprises a mixing tube 1, a glue breaking component 2, a glue dispensing needle 21, a glue breaking valve 22, a transmission rod 23, a power cylinder 24, a constant temperature component 3, a constant temperature seat 31, a heat radiation water tank 32, a needle holder 33, a holder locking ring 34, a constant temperature cover 35, a cable connector 36, a heating rod 311, a refrigerating sheet 312, a heating groove 313, a valve passing groove 314, a water inlet pipe 321, a water outlet pipe 322, a heat preservation structure 4, a needle heat insulation sleeve 41, an internal heat insulation seat 42, an internal heat insulation cover 43, an external heat insulation seat 44 and an external heat insulation cover 45, wherein the constant temperature component 3, the glue breaking component 2 and the mixing tube 1 are arranged on the inner side of the heat preservation structure 4, the constant temperature cover 35 and the constant temperature seat 31 are arranged on the outer side of the mixing tube 1, the heating groove 313 is arranged on the top of the constant temperature seat 31, the heating rod 311 is arranged on the inner side of the heating groove 313, the bottom of the constant temperature seat 31 is provided with the valve passing groove 314, the outside of constant temperature seat 31 is provided with refrigeration piece 312, the outside of constant temperature lid 35 is provided with inside thermal-insulated lid 43, the outside of inside thermal-insulated lid 43 is provided with outside thermal-insulated lid 45, the outside of constant temperature seat 31 is provided with inside thermal-insulated seat 42, the outside of inside thermal-insulated seat 42 is provided with outside thermal-insulated seat 44, the outside of refrigeration piece 312 is provided with radiator tank 32, the outside of radiator tank 32 is provided with inlet tube 321 and outlet pipe 322, the outside of insulation construction 4 is provided with cable joint 36, insulation construction 4's top fixed mounting has power cylinder 24, the outside of power cylinder 24 is provided with transfer line 23, the inboard of constant temperature seat 31 is provided with disconnected gluey valve 22, the bottom of disconnected gluey valve 22 is provided with some gluey syringe needles 21, the outside of some gluey syringe needles 21 is provided with syringe needle 33, the outside of syringe needle bracket 33 is provided with bracket lock ring 34, the outside of syringe needle bracket 33 is provided with syringe needle heat insulating sleeve 41.

Further, the mixing pipe 1 is in intercommunication connection with the glue break valve 22, the glue break valve 22 is in intercommunication connection with the glue dispensing needle 21, the transmission rod 23 is in transmission connection with the power cylinder 24, glue enters from the mixing pipe 1 and flows into the glue break valve 22, the power cylinder 24 is started, the on-off of the glue break valve 22 is controlled through the transmission rod 23, and the start-stop of glue dispensing is achieved.

Further, bracket lock ring 34 is threaded connection with constant temperature seat 31, and disconnected gluey valve 22 is sliding connection with the valve through groove 314, and needle holder 33 is connected for the block with some syringe needle 21, unscrews bracket lock ring 34 from constant temperature seat 31, rotates needle holder 33 ninety degrees, and needle holder 33 drives some syringe needle 21, disconnected gluey valve 22 and rotates ninety degrees, makes disconnected gluey valve 22 pass through groove 314 from the valve roll-off, makes some syringe needle 21, disconnected gluey valve 22 be convenient for change.

Further, the constant temperature seat 31 and the constant temperature cover 35 are connected with each other, the constant temperature seat 31 and the constant temperature cover 35 are made of aluminum or copper metal, the heating rod 311 is located on the outer side of the mixing tube 1, the constant temperature seat 31 is in adhesive connection with the refrigerating sheet 312 through heat-conducting silicone grease, the refrigerating sheet 312 is in adhesive connection with the radiating water tank 32 through heat-conducting silicone grease, the constant temperature seat 31 is in heat-transfer connection with the refrigerating sheet 312, the heating rod 311 is in heat-transfer connection with the mixing tube 1, the heating rod 311 and the refrigerating sheet 312 are electrically connected with an external controller through a cable joint 36, the external controller is operated to control the temperature of the device, three temperature control modes of a cooling mode, a heating mode and a constant temperature mode can be realized, in the heating mode, only the heating rod 311 needs to work to provide a high temperature environment for the mixing tube 1, in the cooling mode, the refrigerating sheet 312 works to generate cold on the surface in contact with the constant temperature seat 31 to provide a low temperature environment for the mixing tube 1, in the constant temperature mode, the temperature value required by the mixing tube 1 is set through external control, the system automatically selects the heating rod 311 to work or the refrigerating piece 312 to work according to the change of the ambient temperature, when the ambient temperature is lower than the set value, the heating rod 311 is started to heat the temperature of the mixing tube 1 to the set value, when the ambient temperature is higher than the set value, the refrigerating piece 312 is started to refrigerate the temperature of the mixing tube 1 to the set value, and the constant temperature seat 31 and the constant temperature cover 35 are made of aluminum or copper metal materials, so that the constant temperature seat 31 is easy to transfer heat.

Further, refrigeration piece 312 is heat transfer connection with radiator tank 32, inlet tube 321 is interconnect with radiator tank 32, outlet pipe 322 is interconnect with radiator tank 32, through the law of conservation of energy, the one side that constant temperature seat 31 was kept away from to refrigeration piece 312 is the state of generating heat, this part heat needs in time to be discharged, in order to avoid damaging refrigeration piece 312, the face of generating heat and the radiator tank 32 laminating of refrigeration piece 312, radiator tank 32 takes away the heat of the face of generating heat of refrigeration piece 312 through outside water circulation, protect the normal operating of refrigeration piece 312.

Further, the heat-insulating structure 4 comprises a needle heat-insulating sleeve 41, an internal heat-insulating base 42, an internal heat-insulating cover 43, an external heat-insulating base 44 and an external heat-insulating cover 45, the heat-insulating structure 4 is made of ABS resin, the constant-temperature cover 35, the internal heat-insulating cover 43 and the external heat-insulating cover 45 are connected with each other through plastic screws, the constant-temperature base 31, the internal heat-insulating base 42 and the external heat-insulating base 44 are connected with each other through plastic screws, the external heat-insulating base 44 and the external heat-insulating cover 45 are connected with each other, the arrangement of the inner heat insulation cover 43 and the outer heat insulation cover 45, and the arrangement of the inner heat insulation seat 42 and the outer heat insulation seat 44, the device has a double-layer heat insulation structure, which not only effectively isolates the mixing pipe 1 from the surrounding environment, but also can prevent the surface of the device from condensing and freezing in a low-temperature environment, under the high temperature environment, can prevent to miss and bump scald skin, keep warm to syringe needle bracket 33 through syringe needle heat insulating sheath 41.

The working principle is as follows: glue enters from the mixing tube 1, flows into the glue breaking valve 22, starts the power cylinder 24, controls the on-off of the glue breaking valve 22 through the transmission rod 23 to realize the on-off of glue dispensing, operates the external controller to control the temperature of the device, can realize three temperature control modes of a refrigerating mode, a heating mode and a constant temperature mode, in the heating mode, only the heating rod 311 needs to work to provide a high temperature environment for the mixing tube 1, in the refrigerating mode, the refrigerating sheet 312 works to generate cold on one surface contacted with the constant temperature seat 31 to provide a low temperature environment for the mixing tube 1, in the constant temperature mode, the temperature value required by the mixing tube 1 is set through external control, the system automatically selects the heating rod 311 to work or the refrigerating sheet 312 to work according to the change of the ambient temperature, when the ambient temperature is lower than a set value, the heating rod 311 is started to heat the temperature of the mixing tube 1 to the set value, and when the ambient temperature is higher than the set value, the refrigerating sheet 312 is started to refrigerate the temperature of the mixing tube 1 to a set value, the constant temperature seat 31 and the constant temperature cover 35 are made of aluminum or copper metal materials, so that heat is easily transferred to the constant temperature seat 31, the side, far away from the constant temperature seat 31, of the refrigerating sheet 312 is in a heating state through the law of conservation of energy, the part of heat needs to be discharged in time so as to avoid damaging the refrigerating sheet 312, the heating surface of the refrigerating sheet 312 is attached to the radiating water tank 32, the radiating water tank 32 takes away the heat of the heating surface of the refrigerating sheet 312 through external water circulation to protect the normal operation of the refrigerating sheet 312, the internal heat insulation seat 42 and the external heat insulation seat 44 are arranged through the internal heat insulation cover 43 and the external heat insulation cover 45, so that the device has a double-layer heat insulation structure, the mixing tube 1 and the surrounding environment are effectively isolated, the freezing of condensed water on the surface of the device can be prevented under the low-temperature environment, and the skin can be prevented from being accidentally scalded under the high-temperature environment, the needle head holder 33 is insulated through the needle head heat insulation sleeve 41, the holder lock ring 34 is screwed off from the constant temperature holder 31, the needle head holder 33 is rotated by ninety degrees, the needle head holder 33 drives the dispensing needle head 21 and the glue breaking valve 22 to rotate by ninety degrees, the glue breaking valve 22 slides out from the valve through the groove 314, and the dispensing needle head 21 and the glue breaking valve 22 are enabled to be convenient for fast replacement.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims (6)

1. The utility model provides a but constant temperature adhesive deposite device of quick replacement syringe needle, includes insulation construction (4), its characterized in that: the heat preservation structure is characterized in that a constant temperature component (3), a glue breaking component (2) and a mixing pipe (1) are arranged on the inner side of the heat preservation structure (4), a constant temperature cover (35) and a constant temperature seat (31) are arranged on the outer side of the mixing pipe (1), a heating groove (313) is formed in the top of the constant temperature seat (31), a heating rod (311) is arranged on the inner side of the heating groove (313), a valve passing groove (314) is formed in the bottom of the constant temperature seat (31), a refrigerating sheet (312) is arranged on the outer side of the constant temperature seat (31), an internal heat insulation cover (43) is arranged on the outer side of the constant temperature cover (35), an external heat insulation cover (45) is arranged on the outer side of the internal heat insulation cover (43), an internal heat insulation seat (42) is arranged on the outer side of the constant temperature seat (31), an external heat insulation seat (44) is arranged on the outer side of the internal heat insulation seat (42), and a heat dissipation water tank (32) is arranged on the outer side of the refrigerating sheet (312), the outside of heat dissipation water tank (32) is provided with inlet tube (321) and outlet pipe (322), the outside of insulation construction (4) is provided with cable joint (36), the top fixed mounting of insulation construction (4) has power cylinder (24), the outside of power cylinder (24) is provided with transfer line (23), the inboard of constant temperature seat (31) is provided with disconnected gluey valve (22), the bottom of disconnected gluey valve (22) is provided with some gluey syringe needle (21), the outside of some gluey syringe needle (21) is provided with syringe needle bracket (33), the outside of syringe needle bracket (33) is provided with bracket catch ring (34), the outside of syringe needle bracket (33) is provided with syringe needle heat insulating sleeve (41).

2. The constant-temperature dispensing device with the quickly replaceable needle head as claimed in claim 1, wherein: the mixing pipe (1) is in intercommunication connection with the glue breaking valve (22), the glue breaking valve (22) is in intercommunication connection with the glue dispensing needle head (21), and the transmission rod (23) is in transmission connection with the power cylinder (24).

3. The constant-temperature dispensing device with the quickly replaceable needle head as claimed in claim 1, wherein: the bracket lock ring (34) is in threaded connection with the thermostatic seat (31), the glue breaking valve (22) is in sliding connection with the valve through a groove (314), and the needle head bracket (33) is in clamping connection with the glue dispensing needle head (21).

4. The constant-temperature dispensing device with the quickly replaceable needle head as claimed in claim 1, wherein: constant temperature seat (31) and constant temperature lid (35) are interconnect, constant temperature seat (31), constant temperature lid (35) adopt aluminium or copper metal material, heating rod (311) are located the outside of hybrid tube (1), constant temperature seat (31) are adhesive bonding through heat conduction silicone grease and refrigeration piece (312), refrigeration piece (312) are adhesive bonding through heat conduction silicone grease and radiator tank (32), constant temperature seat (31) are heat transfer connection with refrigeration piece (312), heating rod (311) are heat transfer connection with hybrid tube (1), heating rod (311), refrigeration piece (312) are electric connection through cable joint (36) and external controller.

5. The constant-temperature dispensing device with the quickly replaceable needle head as claimed in claim 1, wherein: the refrigeration piece (312) is connected with the heat dissipation water tank (32) in a heat transfer mode, the water inlet pipe (321) is connected with the heat dissipation water tank (32) in an interconnection mode, and the water outlet pipe (322) is connected with the heat dissipation water tank (32) in an interconnection mode.

6. The constant-temperature dispensing device with the quickly replaceable needle head as claimed in claim 1, wherein: insulation construction (4) include syringe needle heat insulating sleeve (41), inside thermal-insulated seat (42), inside thermal-insulated lid (43), outside thermal-insulated seat (44) and outside thermal-insulated lid (45), insulation construction (4) adopt the ABS resin material to make, constant temperature lid (35), inside thermal-insulated lid (43) and outside thermal-insulated lid (45) pass through plastics screw interconnect, constant temperature seat (31), inside thermal-insulated seat (42), outside thermal-insulated seat (44) pass through plastics screw interconnect, outside thermal-insulated seat (44) and outside thermal-insulated lid (45) are interconnect.

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