CN208006047U - A kind of laboratory rubber sample waste grinding machine - Google Patents

Abstract

The utility model is related to a kind of laboratory rubber sample waste grinding machines, including hollow and both ends open broken glue babinet, rubber feeding extrusion mechanism, rubber shear and support construction；The broken glue babinet upper surface opens up a feed inlet, and side open end is fixedly connected with a Box Cover；The Box Cover center setting one is with female through-hole；Close to the side of the Box Cover, rubber feeding extrusion mechanism is set；Rubber feeding extrusion mechanism is transmitted extruding across the through-hole to rubber sample in broken glue babinet；Another open end place opposite with the Box Cover position of the broken glue babinet is set as discharge port；The rubber shear is fixedly connected on the discharge port；A knife blade grid is arranged in the discharge outlet；The blade of the knife blade grid is towards the broken glue box house；The support construction is arranged in the broken glue bottom of box.

Description

A kind of laboratory rubber sample waste grinding machine

Technical field

The utility model belongs to rubber crushing equipment field, and in particular to a kind of laboratory rubber sample waste grinding machine.

Background technology

In to the researching and analysing of rubber, especially in laboratory is to the researching and analysing of a small amount of rubber sample, often need Rubber sample chopping is handled, in order to the further solvent dissolving of carry out, heat treatment, the calcining to rubber sample, in rubber It is that 5g-10g is differed that rubber sample amount is usually required in the researching and analysing of glue sample.

Currently, existing rubber waste grinding machine is often suitable for the small-sized rubber sample in laboratory suitable for industry in the market Waste grinding machine almost without.Particle cavity space is big inside industrial waste grinding machine, and the rubber mass of input stirs and rotation in particle chamber Cutterhead fully squeeze contact after and by rotary head carry out cutting and crushing, if input rubber doses it is less, it is possible to So that the cutterhead of rotation can not adequately be contacted with rubber mass carries out broken cutting, the working efficiency of waste grinding machine and broken glue are reduced Quality, and a small amount of rubber broken of the industrial waste grinding machine for laboratory is to waste one's talent on a petty job and rotating knife can be caused to circle or whirl in the air Turn, waste grinding machine flogs a dead horse, waste vast resources.

In the researching and analysing of laboratory, rubber it is broken it is general rubber sample is carried out using the method manually shredded it is broken Glue processing, but this method efficiency is low, is accomplished manually shredding for 5g rubber samples and often at least needs 1 hour, extremely takes Effort, and the rubber size shredded is uneven, and the size and shape of rubber grain is affected by human factors very greatly.Therefore, it is solution The certainly efficient broken glue problem of laboratory rubber sample, that improves laboratory rubber sample researchs and analyses efficiency and quality, needs one Kind laboratory rubber sample waste grinding machine simple in structure, time saving and energy saving.

Utility model content

In view of above-mentioned deficiencies of the prior art, the utility model provides a kind of laboratory rubber sample waste grinding machine, this is broken Glue machine is simple in structure, construction is firm, of low cost, and what can be automated carries out cutting and crushing processing, application method letter to rubber It is single, easily operated, time saving and energy saving, it can effectively improve the broken glue rate and quality of laboratory rubber sample.

The technical solution of the utility model is as follows：

A kind of laboratory rubber sample waste grinding machine, including hollow and both ends open broken glue babinet, rubber feed extruder Structure, rubber shear and support construction；The broken glue babinet upper surface opens up a feed inlet, and side open end is fixedly connected with one Box Cover；The Box Cover center setting one is with female through-hole；Close to the side of the Box Cover, the rubber is set Feeding extrusion mechanism；Rubber feeding extrusion mechanism is transmitted rubber sample in broken glue babinet across the through-hole crowded Pressure；Another open end place opposite with the Box Cover position of the broken glue babinet is set as discharge port；It is solid on the discharge port Surely it is connected with the rubber shear；A knife blade grid is arranged in the discharge outlet；The blade of the knife blade grid is towards institute State broken glue box house；The support construction is arranged in the broken glue bottom of box.

Further, rubber feeding extrusion mechanism is fixed on the side wall of the broken glue babinet by a connecting bracket； Rubber feeding extrusion mechanism includes sequentially connected transmission mechanism, connecting rod and catch bar；The transmission mechanism includes transmission Motor and transmission pole；The input section of the transmission pole is fixedly connected with the transmission electrical machine, and deferent segment is fixed with the connecting rod Connection；The connecting rod is rotatablely connected with the catch bar；The catch bar is with the outer spiral shell with the screw-internal thread fit of the through-hole Line is arranged after passing through the Box Cover in the broken glue babinet.

Further, the transmission pole be mutually perpendicular to input section and deferent segment it is fixed L-shaped；The transmission pole Input section is fixedly connected by the first transmission mechanism with the transmission electrical machine；One connection of setting on the deferent segment of the transmission pole Column；One end of the connecting rod carries connection ring；The connection ring, which is socketed on the connecting pole to fix transmission pole and connecting rod, to be connected It connects；Described catch bar one end is pivotally connected by a connection piece and the connecting rod, and the other end is fixedly connected with a circular chassis；The bottom The diameter of disk is less than the internal diameter of the broken glue babinet.

Further, the connector includes the ball-type driving rod and flange for being fixedly connected with the connecting rod and catch bar Disk；The ball-type driving rod is arranged inside ring flange, and the diameter of the ball-type driving rod is more than the internal diameter of the ring flange.

Further, the rubber shear is located at the discharge outlet and is fixedly connected with broken glue babinet lateral wall, Including shearing slip guide rail, plug-in strip, plug-in strip transmission device and shear motor；The shearing slip guide rail is the rectangle of " recessed " type Bottom plate；A straight slot is opened up on the shearing slip guide rail；The straight slot be socketed in the lateral wall of the broken glue babinet and with broken glue Babinet is fixedly connected；The length of the shearing slip guide rail is more than the height of the broken glue babinet；The plug-in strip is embedded in " recessed " In the open end of the shearing slip guide rail of type；The gearing frame of the plug-in strip transmission device including " recessed " type and can be in the transmission The transmission gear slided on frame；The gearing frame open end madial wall of " recessed " type and the shearing slip of " recessed " type are led The gearing frame is mounted on the upper of the shearing slip guide rail for exceeding the discharge port by rail open end lateral wall after being fixedly connected Section part；The transmission gear is connected to by a sliding block on the plug-in strip transmission device.

Further, groove of the plug-in strip close to one annular of one side setting of the plug-in strip transmission device；The groove Inside it is fixedly connected with an endless drive plate；The size of the driver plate is less than the size of the groove and reserved transmission road slot； One row's driving column of uniform array on the driver plate；The blind end of the gearing frame of " recessed " type opens up a sliding groove；It is described The setting sliding block in sliding groove；The transmission gear is fixedly connected with a transmission shaft；The transmission shaft will after passing through the sliding block The transmission gear is fixedly connected with a slide block；One end of the transmission shaft is fixedly connected with the shearing electricity by the second transmission mechanism Machine, the other end can be dynamic along transmission road trough roller；The transmission gear is intermeshed with the driving column.

Further, it is fixedly connected with a basket on the side wall of the connecting bracket；The transmission electrical machine is placed on described In basket；First transmission mechanism is to be fixedly connected with the output shaft of the transmission electrical machine with the input section of the transmission pole Shaft coupling；The shear motor is fixedly connected on the slider side wall；Second transmission mechanism includes being socketed in institute respectively State rotation gear and the conveyor chain on transmission shaft；The transmission shaft is connected with shear motor by the conveyor chain.

Further, the length of the catch bar is less than the length of the broken glue babinet.

Further, the knife blade grid has multiple square hole cavitys, and the size of square hole cavity is 1 × 1 millimeter to 3 × 6 millimeters.

The utility model has the advantages that：

1, compared with prior art, this reality utility model has filled up the sky of the small-sized rubber sample waste grinding machine of use for laboratory It lacks, can realize automation carries out cutting and crushing to rubber sample.

2, waste grinding machine provided by the utility model is simple in structure, and heavy building is firm, of low cost, application method is simple, It is easily operated, time saving and energy saving, the broken glue rate and quality of laboratory rubber sample can be effectively improved.

Description of the drawings

Fig. 1 is the front view of the utility model；

Fig. 2 is the right view of the utility model；

Fig. 3 is the enlarged drawing at A in Fig. 2；

Fig. 4 is the overall structure diagram of the utility model rubber feeding extrusion mechanism；

Fig. 5 is the structural schematic diagram of transmission mechanism in the utility model；

Fig. 6 is the structural schematic diagram of the utility model rubber shear；

Fig. 7 is the structural schematic diagram of shearing slip guide rail and plug-in strip cooperation in the utility model；

Fig. 8 is the structural schematic diagram of transmission gear and plug-in strip cooperation transmission in the utility model；

Fig. 9 is the enlarged drawing at B in Fig. 6.

Reference numeral：

1, broken glue babinet；11, feed inlet；12, Box Cover；121, through-hole；13, discharge port；14, knife blade grid；2, rubber Feeding extrusion mechanism；21, transmission mechanism；211, transmission electrical machine；212, transmission pole；2121, input section；2122, deferent segment； 2123, connecting pole；22, connecting rod；221, connection ring；23, catch bar；24, connecting bracket；241, basket；25, the first driver Structure；26, connector；261, ball-type driving rod；262, ring flange；27, chassis；3, rubber shear；31, shearing slip is led Rail；311, straight slot；32, plug-in strip；321, groove；322, driver plate；323, it is driven road slot；324, driving column；33, plug-in strip transmission dress It sets；331, gearing frame；3311, sliding groove；332, transmission gear；3321, transmission shaft；333, sliding block；34, shear motor；35, Second transmission mechanism；351, gear is rotated；352, conveyor chain；4, support construction.

Specific implementation mode

The utility model is described in detail in the following with reference to the drawings and specific embodiments.

A kind of laboratory rubber sample waste grinding machine as shown in Figure 1 to 9, including hollow and both ends open broken glue babinet 1, rubber Glue feeding extrusion mechanism 2, rubber shear 3 and support construction 4；Broken 1 upper surface of glue babinet opens up a feed inlet 11, and one Side opening end is fixedly connected with a Box Cover 12；12 center setting one of the Box Cover is with female through-hole 121；Close to described Rubber feeding extrusion mechanism 2 is arranged in the side of Box Cover 12；Rubber feeding extrusion mechanism 2 passes through the through-hole 121 Extruding is transmitted to rubber sample in broken glue babinet 1；Another open end of the broken glue babinet 1 and 12 position of the Box Cover Opposite place is set as discharge port 13；The rubber shear 3 is fixedly connected on the discharge port 13；At the discharge port 13 One knife blade grid 14 is set；The blade of the knife blade grid 14 is towards inside the broken glue babinet 1；The knife blade grid 14 has The size of multiple square holes or cavity, these square holes or cavity is about 1 × 1 millimeter to 3 × 6 millimeters；Pass through from feed inlet 11 Rubber feeding extrusion mechanism 2 conveys the rubber sample to come can carry out preliminary decomposition by the processing of knife blade grid 14 first Cutting；The support construction 4 is arranged in broken 1 bottom of glue babinet.

As shown in Fig. 4 to 5, rubber feeding extrusion mechanism 2 passes through a connecting bracket 24）It is fixed on the broken glue babinet 1 side wall；Rubber feeding extrusion mechanism 2 includes sequentially connected transmission mechanism 21, connecting rod 22 and catch bar 23；The biography Transfer mechanism 21 includes transmission electrical machine 211 and transmission pole 212；The input section 2121 of the transmission pole 212 and the transmission electrical machine 211 It is fixedly connected, deferent segment 2122 is fixedly connected with the connecting rod 22；The connecting rod 22 is rotatablely connected with the catch bar 23；Institute Catch bar 23 is stated with the external screw thread with the screw-internal thread fit of the through-hole 121, is arranged described after passing through the Box Cover 12 In broken glue babinet 1；Being mutually perpendicular to input section 2121 and deferent segment 2122 for the transmission pole 212 is fixed L-shaped；The biography The input section 2121 of defeated bar 212 is fixedly connected by the first transmission mechanism 25 with the transmission electrical machine 211；The transmission pole 212 Deferent segment 2122 on a connecting pole 2123 is set；One end of the connecting rod 22 carries connection ring 221；221 sets of the connection ring It is connected on the connecting pole 2123 and is fixedly connected with transmission pole 212 with connecting rod 22；The input section 2121 of the transmission pole 212 is passing Rotation under the drive of transmission of electricity machine 211, the deferent segment 2122 can be fulcrum using one end of input section 2121 around the input Section 2121 rotates, to drive connecting rod 22 that deferent segment 2122 is followed to rotate；23 one end of the catch bar by a connection piece 26 with The connecting rod 22 is pivotally connected；The other end is fixedly connected with a circular chassis 27；The diameter on the chassis 27 is less than the broken glue babinet 1 Internal diameter；The length of the catch bar 23 is less than the length of the broken glue babinet 1；One end of the connecting rod 22 follows deferent segment 2122 revolve round the sun around input section 2121, and the other end can drive catch bar 23 to be rotated in through-hole 121 to be moved forward and backward, The movement of chassis 27 is driven to be transmitted and squeeze rubber sample.

Wherein, the connector 26 include be fixedly connected the connecting rod 22 and catch bar 23 ball-type driving rod 261 and Ring flange 262；The ball-type driving rod 261 is arranged inside ring flange 262, and the diameter of the ball-type driving rod 261 is more than The internal diameter of the ring flange 262；Although one end of the connecting rod 22 follows deferent segment 2122 to revolve round the sun around input section 2121, It is that, due to the presence of ball-type driving rod 261, the end of the catch bar 23 is merely able to carry out for fulcrum with ball-type driving rod 261 Rotation, and be moved forward and backward across through-hole 121 under the promotion that connecting rod 22 revolves round the sun.

As shown in Fig. 6 to 8, the rubber shear 3 is located at the discharge port 13 and consolidates with broken 1 lateral wall of glue babinet Fixed connection, including shearing slip guide rail 31, plug-in strip 32, plug-in strip transmission device 33 and shear motor 34；The shearing slip guide rail 31 be the rectangular base plate of " recessed " type；A straight slot 311 is opened up on the shearing slip guide rail 31；The straight slot 311 is socketed in institute It states the lateral wall of broken glue babinet 1 and is fixedly connected with broken glue babinet 1；The length of the shearing slip guide rail 31 is more than the broken glue The height of babinet 1；The plug-in strip 32 is embedded in the open end of the shearing slip guide rail 31 of " recessed " type；The plug-in strip transmission device 33 gearing frame 331 including " recessed " type and the transmission gear 332 that can be slided on the gearing frame 331；" recessed " type 331 open end madial wall of gearing frame be fixedly connected with the 31 open end lateral wall of shearing slip guide rail of " recessed " type after will The gearing frame 331 is mounted on the upper portion of the shearing slip guide rail 31 beyond the discharge port 13；The transmission gear 332 are connected to by a sliding block 333 on the plug-in strip transmission device 33.

Wherein, groove 321 of the plug-in strip 32 close to one annular of one side setting of the plug-in strip transmission device 33；It is described recessed An endless drive plate 322 is fixedly connected in slot 321；The size of the driver plate 322 is less than the size of the groove 321 and reserves One transmission road slot 323；One row's driving column 324 of uniform array on the driver plate 322；The gearing frame 331 of " recessed " type Blind end open up a sliding groove 3311；The sliding block 333 is set in the sliding groove 3311；The transmission gear 332 is fixed Connect a transmission shaft 3321；The transmission shaft 3321 consolidates the transmission gear 332 and sliding block 333 after passing through the sliding block 333 Fixed connection；One end of the transmission shaft 3321 is fixedly connected with the shear motor 34 by the second transmission mechanism 35, and the other end can It rolls that the transmission gear 332 and sliding block 333 is driven back and forth to transport along sliding groove 3311 along transmission road slot 323 It is dynamic；The transmission gear 332 enables plug-in strip 32 to move up and down with the intermeshing of the driving column 324.

As shown in figure 3 and 9, a basket 241 is fixedly connected on the side wall of the connecting bracket 24；The transmission electrical machine 211 are placed in the basket 241；First transmission mechanism 25 be by the output shaft of the transmission electrical machine 211 with it is described The shaft coupling that the input section 2121 of transmission pole 212 is fixedly connected；The shear motor 34 is fixedly connected on 333 side of the sliding block Wall；Second transmission mechanism 35 includes rotation gear 351 and the conveyor chain being socketed in respectively on the transmission shaft 3321 352；The transmission shaft 3321 and shear motor 34 are connected by the conveyor chain 352.

The operation principle of the utility model：

Rubber sample is placed into from feed inlet 11 in broken glue babinet 1, transmission electrical machine 211 is started, transmission electrical machine 211 drives The input section 2121 of transmission pole 212 carries out rotation, to which driving is vertical setting and L-shaped each other with the input section 2121 Deferent segment 2122 revolve round the sun around input section 2121；The catch bar 23 passes through the through-hole 121 on the Box Cover 12, because This limits the displacement of catch bar 23 and connecting rod 22 in the vertical direction；The end of the connecting rod 22 and catch bar 23 passes through ball-type Driving rod 261 and ring flange 262 connect；Since the diameter of the ball-type driving rod 261 is more than in the ring flange 262 Diameter, therefore, the ball-type driving rod 261 are limited between the ring flange 262；The rotation of the deferent segment 2122 drives connecting rod 22 one end is rotated with deferent segment 2122；The other end is moved forward and backward simultaneously being capable of rotation；22 one end of the connecting rod it is front and back Mobile and rotation drives 23 rotation of catch bar and back-and-forth motion being connect with the ball-type driving rod 261, so that catch bar 23 do straight reciprocating motion while rotating, and are constantly promoted and are squeezed to rubber sample, rubber sample is pushed to out At the knife blade grid 14 that material mouth 13 is arranged, rubber sample is by being initially cut decomposition after knife blade grid 14 and squeezing out discharge port 13。

Automatic shearing is carried out to rubber sample using rubber shear, starts shear motor 34, the shear motor 34 Transmission shaft 3321 is driven to rotate；The rotation of the transmission shaft 3321 can drive the transmission being fixedly connected with the transmission shaft 3321 Gear 332 rotates；The plug-in strip 32 for carrying driving column 324 at this time is used as rack, can be intermeshed and compel with the transmission gear 332 Plug-in strip 32 is set to carry out unidirectional motion along up or down, transmission shaft 3321 is rolled along the transmission road slot 323 of annular, meanwhile, by In the rotation of transmission gear 332 there are gear forces can carry sliding block 333 to horizontally slip along sliding groove 3311, the two combines just It enables to plug-in strip 32 that can move reciprocatingly along shearing slip guide rail 31 to cut the rubber sample for squeezing out discharge port 13 It cuts.

A kind of laboratory rubber sample waste grinding machine provided above the embodiments of the present invention has carried out detailed Jie It continues, to those skilled in the art, based on the idea of the embodiment of the present invention, can in specific embodiments and applications There is change place, in conclusion the content of the present specification should not be construed as a limitation of the present invention.

Claims (9)

1. a kind of laboratory rubber sample waste grinding machine, it is characterised in that：Including hollow and both ends open broken glue babinet（1）, rubber Glue feeding extrusion mechanism（2）, rubber shear（3）And support construction（4）；The broken glue babinet（1）Upper surface open up one into Material mouth（11）, side open end is fixedly connected with a Box Cover（12）；The Box Cover（12）Center setting one is with female Through-hole（121）；Close to the Box Cover（12）Side rubber feeding extrusion mechanism is set（2）；The rubber charging is squeezed Press mechanism（2）Across the through-hole（121）To broken glue babinet（1）Interior rubber sample is transmitted extruding；The broken glue babinet（1） Another open end and the Box Cover（12）Position is set as discharge port with respect to place（13）；The discharge port（13）Upper fixation is even It is connected to the rubber shear（3）；The discharge port（13）One knife blade grid of place's setting（14）；The knife blade grid（14）'s Blade is towards the broken glue babinet（1）It is internal；The support construction（4）It is arranged in broken glue babinet（1）Bottom.

2. a kind of laboratory rubber sample waste grinding machine as described in claim 1, it is characterised in that：Rubber feeding extrusion mechanism （2）Pass through a connecting bracket（24）It is fixed on the broken glue babinet（1）Side wall；Rubber feeding extrusion mechanism（2）Including Sequentially connected transmission mechanism（21）, connecting rod（22）And catch bar（23）；The transmission mechanism（21）Including transmission electrical machine（211） And transmission pole（212）；The transmission pole（212）Input section（2121）With the transmission electrical machine（211）It is fixedly connected, exports Section（2122）With the connecting rod（22）It is fixedly connected；The connecting rod（22）With the catch bar（23）Rotation connection；The promotion Bar（23）With with the through-hole（121）Screw-internal thread fit external screw thread, pass through the Box Cover（12）After be arranged described Broken glue babinet（1）It is interior.

3. a kind of laboratory rubber sample waste grinding machine as claimed in claim 2, it is characterised in that：The transmission pole（212）With Input section（2121）With deferent segment（2122）It is mutually perpendicular to fixed L-shaped；The transmission pole（212）Input section（2121）It is logical Cross the first transmission mechanism（25）With the transmission electrical machine（211）It is fixedly connected；The transmission pole（212）Deferent segment（2122）On One connecting pole is set（2123）；The connecting rod（22）One end carry connection ring（221）；The connection ring（221）It is socketed in institute State connecting pole（2123）On by transmission pole（212）With connecting rod（22）It is fixedly connected；The catch bar（23）One end passes through a connection Part（26）With the connecting rod（22）Pivot joint, the other end are fixedly connected with a circular chassis（27）；The chassis（27）Diameter it is small In the broken glue babinet（1）Internal diameter.

4. a kind of laboratory rubber sample waste grinding machine as claimed in claim 3, it is characterised in that：The connector（26）Including solid Surely the connecting rod is connected（22）And catch bar（23）Ball-type driving rod（261）And ring flange（262）；The ball-type driving rod （261）It is arranged in ring flange（262）Inside, and the ball-type driving rod（261）Diameter be more than the ring flange（262）It is interior Diameter.

5. a kind of laboratory rubber sample waste grinding machine as claimed in claim 4, it is characterised in that：The rubber shear（3） Positioned at the discharge port（13）Place and with broken glue babinet（1）Lateral wall is fixedly connected, including shearing slip guide rail（31）, plug-in strip （32）, plug-in strip transmission device（33）And shear motor（34）；The shearing slip guide rail（31）For the rectangular base plate of " recessed " type； The shearing slip guide rail（31）On open up a straight slot（311）；The straight slot（311）It is socketed in the broken glue babinet（1）It is outer Side wall and with broken glue babinet（1）It is fixedly connected；The shearing slip guide rail（31）Length be more than the broken glue babinet（1）Height Degree；The plug-in strip（32）It is embedded in the shearing slip guide rail of " recessed " type（31）Open end in；The plug-in strip transmission device（33） Include the gearing frame of " recessed " type（331）With can be in the gearing frame（331）The transmission gear of upper sliding（332）；It is described The gearing frame of " recessed " type（331）The shearing slip guide rail of open end madial wall and " recessed " type（31）Open end lateral wall is solid By the gearing frame after fixed connection（331）Mounted on beyond the discharge port（13）Shearing slip guide rail（31）Epimere portion Point；The transmission gear（332）Pass through a sliding block（333）It is connected to the plug-in strip transmission device（33）On.

6. a kind of laboratory rubber sample waste grinding machine as claimed in claim 5, it is characterised in that：The plug-in strip（32）Close to described Plug-in strip transmission device（33）One side setting one annular groove（321）；The groove（321）Inside it is fixedly connected with an endless drive Plate（322）；The driver plate（322）Size be less than the groove（321）Size and reserved transmission road slot（323）； The driver plate（322）One row's driving column of upper uniform array（324）；The gearing frame of " recessed " type（331）Blind end open If a sliding groove（3311）；The sliding groove（3311）The interior setting sliding block（333）；The transmission gear（332）It is fixed to connect Connect a transmission shaft（3321）；The transmission shaft（3321）Across the sliding block（333）Afterwards by the transmission gear（332）With sliding block （333）It is fixedly connected；The transmission shaft（3321）One end pass through the second transmission mechanism（35）It is fixedly connected with the shear motor （34）, the other end can be along transmission road slot（323）It rolls；The transmission gear（332）With the driving column（324）Mutually Engagement.

7. a kind of laboratory rubber sample waste grinding machine as claimed in claim 6, it is characterised in that：The connecting bracket（24）Side A basket is fixedly connected on wall（241）；The transmission electrical machine（211）It is placed on the basket（241）In；Described first passes Motivation structure（25）For by the transmission electrical machine（211）Output shaft and the transmission pole（212）Input section（2121）It is fixed to connect The shaft coupling connect；The shear motor（34）It is fixedly connected on the sliding block（333）Side wall；Second transmission mechanism（35）Packet It includes and is socketed in the transmission shaft respectively（3321）On rotation gear（351）And conveyor chain（352）；The transmission shaft （3321）And shear motor（34）Pass through the conveyor chain（352）Connection.

8. a kind of laboratory rubber sample waste grinding machine as claimed in claim 7, it is characterised in that：The catch bar（23）Length Less than the broken glue babinet（1）Length.

9. a kind of laboratory rubber sample waste grinding machine as claimed in claim 8, it is characterised in that：The knife blade grid（14）Have The size of multiple square hole cavitys, square hole cavity is 1 × 1 millimeter to 3 × 6 millimeters.